UroGen Reports ZUSDURI™ Revenue More Than Doubled Quarter-over-Quarter and Provides First Quarter 2026 Financial Results and Highlights

On May 6, 2026 UroGen Pharma Ltd. (Nasdaq: URGN), a biotech company dedicated to developing and commercializing innovative solutions that treat urothelial and specialty cancers, reported financial results for the first quarter ended March 31, 2026, and provided an overview of recent developments.

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"2026 is off to a strong start, with expanding usage of ZUSDURI (mitomycin) for intravesical solution and clear acceleration across key commercial indicators, including prescriber trial and adoption," said Liz Barrett, President and Chief Executive Officer of UroGen. "These trends reflect growing clinical confidence in ZUSDURI as a primary, non-surgical therapy for adults with recurrent low-grade intermediate-risk non-muscle invasive bladder cancer (LG-IR-NMIBC). The early launch momentum is now translating into meaningful revenue growth, providing early validation of our commercial model and reinforcing the blockbuster potential for ZUSDURI. In parallel, we continue to advance our broader pipeline, including next generation products UGN-103 in LG-IR-NMIBC and UGN-104 in low-grade upper tract urothelial carcinoma (LG-UTUC), as well as UGN-501, our investigational, potentially best-in-class, next-generation oncolytic virus. With this momentum, we are well positioned to execute our long-term growth strategy and continue to expand our leadership position in uro-oncology."

Q1 2026 and Recent Business Highlights:

ZUSDURI (mitomycin) for intravesical solution:

Commercial launch of ZUSDURI continues to accelerate, following its U.S. FDA-approval as the first and only FDA-approved medicine for adults with recurrent LG-IR-NMIBC.
The permanent Healthcare Common Procedure Coding System Level II J Code (J9282) became effective on January 1, 2026 and has enabled broader adoption by improving reimbursement clarity and confidence across both hospital and community settings.
ZUSDURI achieved net product revenue of $29.2 million in the first quarter of 2026, representing 109% quarter-over-quarter growth. The accelerating growth trend in prescribers, particularly repeat prescribers, reflects increasing health care provider confidence and successful integration of ZUSDURI into routine urology practice. As of March 31, 2026, UroGen reported:
972 activated sites of care
256 unique ZUSDURI prescribers
103 repeat ZUSDURI prescribers
Updated results from the Phase 3 ENVISION trial evaluating ZUSDURI were published online ahead of print in the Journal of Urology. The publication reported that patients who achieved a complete response (CR) three months after the first instillation of ZUSDURI had a 72.2% probability of remaining event-free 24 months after CR (95% CI: 64.1%, 78.8%) as determined by Kaplan-Meier analysis.
JELMYTO (mitomycin) for pyelocalyceal solution in LG-UTUC:

Generated net product revenue of $21.7 million in the quarter ended March 31, 2026, an increase of approximately 7% over the $20.3 million reported for first quarter of 2025.
Next-generation novel mitomycin-based formulations for urothelial cancer

UroGen plans to submit a New Drug Application (NDA) for UGN-103 (mitomycin) for recurrent LG-IR-NMIBC in the second half of 2026 with potential FDA approval in 2027. The FDA has agreed with the Company’s regulatory plan to submit the NDA based on the data from the Phase 3 UTOPIA trial. Top line results from UTOPIA were reported in November 2025, demonstrating a 77.8% three-month CR rate (95% CI, 68.3%, 85.5%). For more information on the UTOPIA trial, refer to clinicaltrials.gov/NCT06331299.
UGN-103 is a next-generation mitomycin product designed to offer improvements over ZUSDURI, including a shorter manufacturing process and simplified reconstitution procedure. It combines UroGen’s RTGel technology with a novel mitomycin formulation licensed from medac. UroGen continues to evaluate lifecycle management and pipeline expansion opportunities, including potential applications in high-grade NMIBC settings and adjuvant use of UGN-103 in IR-NMIBC patients.
The Phase 3 clinical trial to explore the safety and efficacy of UGN-104 is ongoing and is expected to be fully enrolled by the end of 2026. UGN-104 is a next-generation mitomycin product for LG-UTUC. For more information on the UGN-104 Phase 3 trial (UT002), refer to View Source
UGN-501 (investigational next-gen oncolytic virus) for use in high-grade non-muscle invasive bladder cancer

UGN-501 is a potent and fast-replicating investigational next-generation oncolytic virus being developed as a locally administered cancer treatment. Investigational New Drug (IND)-enabling studies are nearing completion, and UroGen plans to submit an IND in the second quarter of 2026 and initiate a Phase 1 clinical trial in NMIBC by year end. Nonclinical data to date demonstrate cytotoxic activity across a panel of bladder cancer cell lines representing a broad range of tumor stages and grades. The Phase 1 trial will initially evaluate aqueous intravesical administration of UGN-501, and UroGen plans to evaluate delivery using its proprietary RTGel technology, which may enable prolonged dwell time and enhanced local activity. The initial focus is bladder cancer with the potential to expand into additional tumor types beyond the genitourinary system.
Expanded Debt Facility with Pharmakon Advisors

In February 2026, UroGen entered into an amended and restated loan agreement with Pharmakon Advisors for two additional tranches of senior secured term loans. The first tranche of $200 million was funded at closing to refinance the existing $125 million loan facility and provide additional non-dilutive capital. A second tranche of $50 million may be drawn at the Company’s option no later than June 30, 2027, subject to customary conditions. All outstanding loans with Pharmakon Advisors will accrue interest at a fixed rate of 8.25% and be repaid in four equal quarterly payments commencing in the second quarter of 2030. All outstanding loans with Pharmakon Advisors can be prepaid in whole at UroGen’s discretion at any time, subject to prepayment premiums, make-whole amounts, as applicable, and fees.
American Urological Association Key Opinion Leader Panel to Showcase Real-World Experience with ZUSDURI

UroGen will host a KOL panel at the upcoming AUA Annual Meeting focused on real-world experience with ZUSDURI, including patient selection, workflow integration, treatment patterns, and patient outcomes. The event will feature leading urologists highlighting the role of ZUSDURI as a primary, non-surgical treatment option in recurrent low-grade intermediate-risk NMIBC and will be webcast and accessible through the Company’s website. To register click here.
First quarter 2026 Financial Results

Revenue: Total revenue was $51.0 million in the first quarter ended March 31, 2026, compared with $20.3 million in the first quarter of 2025. Year-over-year revenue growth of 152% was primarily driven by the commercial launch of ZUSDURI and JELMYTO revenue growth.

Research and Development (R&D) Expenses: R&D expenses were $15.6 million in the first quarter of 2026, including non-cash share-based compensation expense of $0.8 million. This compares to $19.9 million, including non-cash share-based compensation expense of $0.6 million, for the same period in 2025. The decrease in R&D expenses was primarily attributable to the acquisition of UGN-501 in the first quarter of 2025 and ZUSDURI manufacturing costs, which were recognized as R&D expense in the first quarter of 2025 prior to receiving FDA approval.

Selling, General and Administrative (SG&A) Expenses: SG&A expenses were $51.5 million in the first quarter of 2026, including non-cash share-based compensation expense of $3.9 million. This compares to $35.0 million, including non-cash share-based compensation expense of $2.5 million, for the same period in 2025. The increase in SG&A expenses was primarily attributable to ZUSDURI commercial activities, including the sales force expansion following ZUSDURI approval and higher brand marketing expenses, an increase in overall commercial operation costs, and higher advisory costs, including fees associated with the Pharmakon Advisors debt refinancing in the first quarter of 2026.

Financing on Prepaid Forward Obligation: UroGen reported non-cash financing expense related to the prepaid forward obligation to RTW Investments of $4.5 million in the first quarter of 2026 compared with $4.6 million in the same period in 2025.

Interest Expense on Long-term Debt: Interest expense related to long-term debt was $4.2 million in the first quarter of 2026, compared to $4.1 million in the same period in 2025. The increase in interest expense was primarily attributable to the additional borrowings of $75.0 million in the first quarter of 2026 in connection with the Pharmakon refinancing of long-term debt, offset by the lower interest rate.

Net Loss: UroGen reported a net loss of $23.6 million or ($0.47) per basic and diluted share in the quarter ended March 31, 2026, compared with a net loss of $43.8 million or ($0.92) per basic and diluted share in the first quarter of 2025.

Cash, Cash Equivalents and Marketable Securities: As of March 31, 2026, cash, cash equivalents and marketable securities totaled $140.3 million.

2026 JELMYTO Revenue and Company Operating Expense Guidance: The Company continues to expect 2026 net product revenue for JELMYTO to be in the range of $97 million to $101 million. This implies a year-over-year growth rate of approximately 3% to 7% over the $94 million of JELMYTO revenue reported in 2025. The Company is not providing full-year 2026 revenue guidance for ZUSDURI at this time, as the product remains in the early stages of its commercial launch. The Company continues to expect full-year 2026 operating expenses to be in the range of $240 million to $250 million, including non-cash share-based compensation expense of $20 million to $24 million.

Conference Call & Webcast Information: Members of UroGen’s management team will host a live conference call and webcast today at 10:00 AM Eastern Time to review UroGen’s financial results and provide a general business update.

The live webcast can be accessed by visiting the Investors section of the Company’s website at View Source Please connect at least 15 minutes prior to the live webcast to ensure adequate time for any software download that may be needed to access the webcast.

About ZUSDURI

ZUSDURI (mitomycin) for intravesical solution is an innovative drug formulation of mitomycin, approved for the treatment of adults with recurrent LG-IR-NMIBC. Utilizing UroGen’s proprietary RTGel technology, a sustained release, hydrogel-based formulation, ZUSDURI is delivered directly into the bladder in an out-patient procedure by a trained healthcare professional using a urinary catheter to enable the treatment of tumors by non-surgical means.

APPROVED USE FOR ZUSDURI

ZUSDURI (mitomycin) for intravesical solution is a prescription medicine used to treat adults with a type of cancer of the lining of the bladder called low-grade intermediate risk non-muscle invasive bladder cancer (LG-IR-NMIBC) after previously receiving bladder surgery to remove a tumor that did not work or is no longer working.

IMPORTANT SAFETY INFORMATION

You should not receive ZUSDURI if you have a hole or tear (perforation) of your bladder or if you have had an allergic reaction to mitomycin or to any of the ingredients in ZUSDURI.

Before receiving ZUSDURI, tell your healthcare provider about all of your medical conditions, including if you:

have kidney problems.
are pregnant or plan to become pregnant. ZUSDURI can harm your unborn baby. You should not become pregnant during treatment with ZUSDURI. Tell your healthcare provider right away if you become pregnant or think you may be pregnant during treatment with ZUSDURI.

Females who are able to become pregnant: You should use effective birth control (contraception) during treatment with ZUSDURI and for 6 months after the last dose.

Males being treated with ZUSDURI: You should use effective birth control (contraception) during treatment with ZUSDURI and for 3 months after the last dose.
are breastfeeding or plan to breastfeed. It is not known if ZUSDURI passes into your breast milk. Do not breastfeed during treatment with ZUSDURI and for 1 week after the last dose.
How will I receive ZUSDURI?

You will receive your ZUSDURI dose from your healthcare provider 1 time a week for 6 weeks into your bladder through a tube called a urinary catheter. It is important that you receive all 6 doses of ZUSDURI according to your healthcare provider’s instructions.
If you miss any appointments, call your healthcare provider as soon as possible to reschedule your appointment.
During treatment with ZUSDURI, your healthcare provider may tell you to take additional medicines or change how you take your current medicines.
After receiving ZUSDURI:

ZUSDURI may cause your urine color to change to a violet to blue color. Avoid contact between your skin and urine for at least 24 hours.
To urinate, males and females should sit on a toilet and flush the toilet several times after you use it. After going to the bathroom, wash your hands, your inner thighs, and genital area well with soap and water.
Clothing that comes in contact with urine should be washed right away and washed separately from other clothing.
The most common side effects of ZUSDURI include: increased blood creatinine levels, increased blood potassium levels, trouble with urination, decreased red blood cell counts, increase in certain blood liver tests, increased or decreased white blood cell counts, urinary tract infection, and blood in your urine.

You are encouraged to report negative side effects of prescription drugs to the FDA.

Visit www.fda.gov/medwatch or call 1-800-FDA-1088. You may also report side effects to UroGen Pharma at 1-855-987-6436.

Please see ZUSDURI Full Prescribing Information, including the Patient Information, for additional information.

About JELMYTO

JELMYTO (mitomycin) for pyelocalyceal solution is a mitomycin-containing reverse thermal gel containing 4 mg mitomycin per mL gel indicated for the treatment of adult patients with LG-UTUC. It is recommended for primary treatment of biopsy-proven LG-UTUC in patients deemed appropriate candidates for renal-sparing therapy. JELMYTO is a viscous liquid when cooled and becomes a semi-solid gel at body temperature. The drug slowly dissolves over four to six hours after instillation and is removed from the urinary tract by normal urine flow and voiding. It is approved for administration in a retrograde manner via ureteral catheter or antegrade through nephrostomy tube. The delivery system allows the initial liquid to coat and conform to the upper urinary tract anatomy. The eventual semisolid gel allows for chemoablative therapy to remain in the collecting system for four to six hours without immediately being diluted or washed away by urine flow.

APPROVED USE FOR JELMYTO

JELMYTO is a prescription medicine used to treat adults with a type of cancer of the lining of the upper urinary tract including the kidney called low-grade Upper Tract Urothelial Cancer (LG-UTUC).

IMPORTANT SAFETY INFORMATION

You should not receive JELMYTO if you have a hole or tear (perforation) of your bladder or upper urinary tract.

Before receiving JELMYTO, tell your healthcare provider about all your medical conditions, including if you:

are pregnant or plan to become pregnant. JELMYTO can harm your unborn baby. You should not become pregnant during treatment with JELMYTO. Tell your healthcare provider right away if you become pregnant or think you may be pregnant during treatment with JELMYTO. Females who are able to become pregnant: You should use effective birth control (contraception) during treatment with JELMYTO and for 6 months after the last dose. Males being treated with JELMYTO: If you have a female partner who is able to become pregnant, you should use effective birth control (contraception) during treatment with JELMYTO and for 3 months after the last dose.
are breastfeeding or plan to breastfeed. It is not known if JELMYTO passes into your breast milk. Do not breastfeed during treatment with JELMYTO and for 1 week after the last dose.
Tell your healthcare provider if you take water pills (diuretic).
How will I receive JELMYTO?
Your healthcare provider will tell you to take a medicine called sodium bicarbonate before each JELMYTO treatment.
You will receive your JELMYTO dose from your healthcare provider 1 time a week for 6 weeks. It is important that you receive all 6 doses of JELMYTO according to your healthcare provider’s instructions. If you miss any appointments, call your healthcare provider as soon as possible to reschedule your appointment. Your healthcare provider may recommend up to an additional 11 monthly doses.
JELMYTO is given to your kidney through a tube called a catheter.
During treatment with JELMYTO, your healthcare provider may tell you to take additional medicines or change how you take your current medicines.
After receiving JELMYTO:
JELMYTO may cause your urine color to change to a violet to blue color. Avoid contact between your skin and urine for at least 6 hours.
To urinate, males and females should sit on a toilet and flush the toilet several times after you use it. After going to the bathroom, wash your hands, your inner thighs, and genital area well with soap and water.
Clothing that comes in contact with urine should be washed right away and washed separately from other clothing.
JELMYTO may cause serious side effects, including:
Swelling and narrowing of the tube that carries urine from the kidney to the bladder (ureteric obstruction). If you develop swelling and narrowing, and to protect your kidney from damage, your healthcare provider may recommend the placement of a small plastic tube (stent) in the ureter to help the kidney drain. Tell your healthcare provider right away if you develop side pain or fever during treatment with JELMYTO.
Bone marrow problems. JELMYTO can affect your bone marrow and can cause a decrease in your white blood cell, red blood cell, and platelet counts. Your healthcare provider will do blood tests prior to each treatment to check your blood cell counts during treatment with JELMYTO. Your healthcare provider may need to temporarily or permanently stop JELMYTO if you develop bone marrow problems during treatment with JELMYTO.
The most common side effects of JELMYTO include: urinary tract infection, blood in your urine, side pain, nausea, trouble with urination, kidney problems, vomiting, tiredness, stomach (abdomen) pain.
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088. You may also report side effects to UroGen Pharma at 1-855-987-6436.

Please see JELMYTO Full Prescribing Information, including the Patient Information, for additional information.

(Press release, UroGen Pharma, MAY 6, 2026, View Source [SID1234665205])

Ultragenyx to Participate at Bank of America’s 2026 Healthcare Conference

On May 6, 2026 Ultragenyx Pharmaceutical Inc. (NASDAQ: RARE), a biopharmaceutical company focused on the development and commercialization of novel therapies for serious rare and ultra-rare genetic diseases, reported that Howard Horn, the company’s Chief Financial Officer and Executive Vice President and Joshua Higa, Chief of Staff and Vice President of investor relations, will participate in a fireside at Bank of America’s 2026 Healthcare Conference on Tuesday, May 12, 2026, at 2:20 PM PT.

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Early/Late Stage Pipeline Development - Target Scouting - Clinical Biomarkers - Indication Selection & Expansion - BD&L Contacts - Conference Reports - Combinatorial Drug Settings - Companion Diagnostics - Drug Repositioning - First-in-class Analysis - Competitive Analysis - Deals & Licensing

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The live and archived webcast of the panel will be accessible from the company’s website at View Source

(Press release, Ultragenyx Pharmaceutical, MAY 6, 2026, View Source [SID1234665204])

TScan Therapeutics Reports First Quarter 2026 Financial Results and Provides Corporate Update

On May 6, 2026 TScan Therapeutics, Inc. (Nasdaq: TCRX), a clinical-stage biotechnology company focused on the development of T cell receptor (TCR)-engineered T cell (TCR-T) therapies for the treatment of patients with cancer, reported financial results for the three months ended March 31, 2026, and provided a corporate update.

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Early/Late Stage Pipeline Development - Target Scouting - Clinical Biomarkers - Indication Selection & Expansion - BD&L Contacts - Conference Reports - Combinatorial Drug Settings - Companion Diagnostics - Drug Repositioning - First-in-class Analysis - Competitive Analysis - Deals & Licensing

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"2026 will be a critical year for TScan as we advance our mission to deliver transformative T cell therapies to patients. We have multiple key milestones on the horizon, anchored around the planned initiation of our Phase 3 study of TSC-101 in patients with AML and MDS undergoing allogenic hematopoietic cell transplantation," said Gavin MacBeath, Ph.D., Chief Executive Officer. "We look forward to sharing initial data from Cohort C of our Phase 1 ALLOHA trial, where we have enrolled and treated over 10 patients with our commercial-ready manufacturing process. The robust enrollment in this cohort underscores strong physician support, providing us greater conviction as we prepare to launch the pivotal study."

Chrystal U. Louis, M.D., Chief Medical Officer added, "Beyond TSC-101, we continue to build our heme franchise with the advancement of TSC-102-A01 and TSC-102-A03, which together will approximately double the number of patients who could potentially benefit from TCR-T therapy following allogeneic transplant. We look forward to introducing both candidates into a new Phase 1 clinical trial in the second half of this year."

Recent Corporate Highlight


In April 2026, the Company announced the acceptance of an abstract for poster presentation at the upcoming American Society of Gene and Cell Therapy (ASGCT) (Free ASGCT Whitepaper) 29th Annual Meeting being held May 11-15 in Boston, MA. The presentation will include details around the identification and preclinical development of the Company’s HLA-A*01:01- and HLA-A*03:01-restricted, CD45-targeted TCRs, TSC-102-A01 and TSC-102-A03. Once the presentation has concluded, a copy of the materials will be added to the "Publications" section of the Company’s website at tscan.com.

Pipeline Progress and Upcoming Anticipated Milestones

Heme Malignancies Program: TScan’s lead TCR-T therapy candidate, TSC-101, is designed to treat residual disease and prevent relapse in patients with heme malignancies undergoing allogeneic HCT (the ALLOHA trial, NCT05473910).


Share early clinical data on patients treated in Cohort C of the ALLOHA study in the second quarter of 2026.

Launch Phase 3 study of TSC-101 in the second quarter of 2026.

Share updated data on patients treated in Cohort C of the ALLOHA study in the second half of 2026.

Initiate Phase 1 study of TSC-102-A01 and TSC-102-A03 in the second half of 2026.

Solid Tumor Program: The Company’s strategy is to treat patients with multiple TCR-T therapy candidates to overcome tumor heterogeneity.


The Company is currently developing methods to engineer TCR-T cells in vivo to treat solid tumors. Initial candidates are in preclinical development.

Autoimmunity Program: The Company is leveraging its target discovery platform to identify targets for a set of T cell-driven autoimmune disorders and is currently developing potential treatment options.


Share preclinical proof-of-concept data for the program’s therapeutic approach in the second half of 2026.

First Quarter 2026 Financial Results

Revenue: Revenue for the first quarter of 2026 was $1.0 million, compared to $2.2 million for the first quarter of 2025. The decrease was primarily due to timing of research activities pursuant to the Company’s collaboration agreement with Amgen.

R&D Expenses: Research and development (R&D) expenses for the first quarter of 2026 were $21.9 million, compared to $29.8 million for the first quarter of 2025. The decrease of $7.9 million was primarily driven by the timing in the purchase of supplies and consumables, as well as savings in connection with the Company’s previously announced strategy to prioritize the clinical development of its heme program. R&D expenses included non-cash stock compensation expense of $1.2 million and $1.7 million for the first quarter of 2026 and 2025, respectively.

G&A Expenses: General and administrative (G&A) expenses for the first quarter of 2026 were $8.2 million, compared to $8.6 million for the first quarter of 2025. The decrease of $0.4 million was primarily due to lower professional fees. G&A expenses included non-cash stock compensation expense of $1.2 million and $1.7 million for the first quarter of 2026 and 2025, respectively.

Net Loss: Net loss was $28.7 million for the first quarter of 2026, compared to $34.1 million for the first quarter of 2025, and included net interest income of $0.5 million and $2.1 million, respectively.

Cash Position: Cash and cash equivalents as of March 31, 2026, were $128.1 million, excluding $5.0 million of restricted cash. The Company believes that its existing cash resources will be sufficient to fund its current operating plan into the second half of 2027.

Share Count: As of March 31, 2026, the Company had 60,101,310 issued and outstanding shares of common stock, consisting of 55,824,722 shares of voting common stock and 4,276,588 shares of non-voting common stock, as well as 69,811,767 outstanding pre-funded warrants to purchase shares of voting common stock at an exercise price of $0.0001 per share. Pro forma outstanding shares, inclusive of both common stock and pre-funded warrants, were 129,913,077 as of March 31, 2026.

(Press release, TScan Therapeutics, MAY 6, 2026, View Source [SID1234665203])

TG Therapeutics Reports First Quarter 2026 Financial Results and Raises BRIUMVI Revenue Guidance

On May 6, 2026 TG Therapeutics, Inc. (NASDAQ: TGTX) (the Company or TG Therapeutics) reported its financial results for the first quarter of 2026, along with recent company developments and provided an update on 2026 financial guidance.

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Michael S. Weiss, the Company’s Chairman and Chief Executive Officer, stated, "We are off to a strong start in 2026, with BRIUMVI performance exceeding expectations and momentum continuing to build. Growth is being driven by strong underlying demand, record new patient starts, and consistent commercial execution— reinforcing our belief that we remain early in the adoption curve for BRIUMVI. Based on this performance, we are significantly increasing our full-year U.S. BRIUMVI revenue guidance to $885-900 million and continue to see the brand as having a multi-billion-dollar potential before considering the impact of a subcutaneous BRIUMVI currently under development. With multiple near-term clinical catalysts and ongoing efforts to expand the franchise, we believe BRIUMVI is well-positioned to become a leading therapy in MS and a durable, long-term growth driver for TG."

Recent Highlights & Developments

BRIUMVI (ublituximab-xiiy) Commercialization

BRIUMVI U.S. net product revenue of $194.8 million for the first quarter 2026, representing approximately 63% quarterly growth over the same period last year
BRIUMVI Data Presentations & Publications

Published two articles in medical journals:
March 2026: "Efficacy of Ublituximab in People with Highly Active Relapsing Multiple Sclerosis", published in Neurology and Therapy, highlighting data from a post hoc pooled analysis of the Phase 3 ULTIMATE I and II studies evaluating BRIUMVI in people with highly active RMS.
February 2026: "Five Years of Ublituximab in Multiple Sclerosis: ULTIMATE I and II Open-Label Extension (OLE) Study", published in JAMA Neurology, highlighting five-year data from the OLE of the ULTIMATE I and II trials.
Pipeline

Completed patient enrollment into the randomized Phase 3 pivotal program evaluating subcutaneous BRIUMVI
Completed patient enrollment into the randomized Phase 3 pivotal program to evaluate a consolidated Day 1 and Day 15 dosing regimen for intravenous (IV) BRIUMVI in the ongoing ENHANCE trial
Continued enrollment for patients with progressive multiple sclerosis into the ongoing Phase 1 clinical trial evaluating azer-cel for the treatment of autoimmune diseases
Financial Update

Secured an additional $500 million in non-dilutive capital from Blue Owl Capital and expanded our second share repurchase program from $100 million to $300 million, of which $200 million is remaining
Since the inception of the first share repurchase program in 2024, and as of April 30, 2026, TG has repurchased a total of $200 million of common stock at an average price of $29.28 per share, of which $100 million was completed during the first quarter of 2026
2026 Financial Guidance

Raises full year 2026 target total global revenue to approximately $925 million
Raises full year 2026 target BRIUMVI U.S. net product revenue to approximately $885 – $900 million (prior guidance of $825-$850 million)
Provides second quarter 2026 target BRIUMVI U.S. net product revenue of approximately $220 million
Full year 2026 target operating expense, defined as R&D and SG&A, of approximately $350 million excluding non-cash compensation, in addition to approximately $100 million in expenses associated with the subcutaneous BRIUMVI manufacturing costs and secondary manufacturer start-up costs
2026 Development Pipeline Anticipated Milestones

Announce topline Phase 3 data for ENHANCE trial combining Day 1 and Day 15 doses of IV BRIUMVI mid-year 2026
Present preliminary Phase 1 azer-cel data in Progressive MS in the second half of 2026
Announce topline Phase 3 data for subcutaneous BRIUMVI (ublituximab) year-end 2026/first quarter 2027
Commence a potentially registration-directed trial for BRIUMVI in Myasthenia Gravis (MG)
Commence additional exploratory studies for BRIUMVI and azer-cel in autoimmune disease (outside MS)
Financial Results for First Quarter 2026

Product Revenue, net: Product revenue, net was $201.3 million for the three months ended March 31, 2026, compared to $119.7 million for the three months ended March 31, 2025. Product revenue, net consists primarily of net product sales of BRIUMVI in the United States, which totaled $194.8 million during the three months ended March 31, 2026. Also included in product revenue, net for the three months ended March 31, 2026 is sales of BRIUMVI to our ex-U.S. licensing partner, Neuraxpharm, of $6.5 million.
License, milestone, royalty and other revenue: License, milestone, royalty and other revenue was approximately $3.6 million for the three months ended March 31, 2026 compared to approximately $1.2 million for the three months ended March 31, 2025. License, milestone, royalty and other revenue for the three months ended March 31, 2026 is predominantly comprised of $2.7 million of royalty revenue recognized under the Commercialization Agreement with Neuraxpharm and $0.9 million of consideration received for development and regulatory activities performed on behalf of Neuraxpharm in accordance with the Commercialization Agreement.
R&D Expenses: Total research and development (R&D) expense was approximately $48.4 million for the three months ended March 31, 2026, compared to $46.4 million for the three months ended March 31, 2025. The increase in R&D expense during the three months ended March 31, 2026 was primarily attributable to license and milestone expense pertaining to our license agreement with Precision BioSciences, Inc., as well as increased clinical trial related expenses and increased personnel costs during the period ended March 31, 2026. These increases were partially offset by lower manufacturing and development costs in connection with our subcutaneous ublituximab development work incurred during the period ended March 31, 2026.
SG&A Expenses: Total selling, general and administrative (SG&A) expense was approximately $88.2 million for the three months ended March 31, 2026, compared to $50.3 million for the three months ended March 31, 2025. The increase in selling, general and administrative costs during the three months ended March 31, 2026 was primarily due to an increase in marketing and media spend, and personnel and external costs associated with the commercialization of BRIUMVI.
Net income: Net income was $19.8 million for the three months ended March 31, 2026, compared to net income of $5.1 million for the three months ended March 31, 2025.
Cash Position and Financial Guidance: Cash, cash equivalents and investment securities were $572.8 million as of March 31, 2026. We anticipate that our cash, cash equivalents and investment securities as of March 31, 2026, combined with the projected revenues from BRIUMVI, will be sufficient to fund our business based on our current operating plan.

CONFERENCE CALL INFORMATION
The Company will host a conference call today, May 6, 2026, at 8:30 AM ET, to discuss the Company’s financial results from first quarter of 2026.

To participate in the conference call, please call 1-877-407-8029 (U.S.), 1-201-689-8029 (outside the U.S.), Conference Title: TG Therapeutics. A live audio webcast will be available on the Events page, located within the Investors & Media section, of the Company’s website at View Source An audio recording of the conference call will also be available for a period of 30 days after the call.

ABOUT BRIUMVI (ublituximab-xiiy) 150 mg/6 mL Injection for IV
BRIUMVI is a novel monoclonal antibody that targets a unique epitope on CD20-expressing B-cells. Targeting CD20 using monoclonal antibodies has proven to be an important therapeutic approach for the management of autoimmune disorders, such as RMS. BRIUMVI is uniquely designed to lack certain sugar molecules normally expressed on the antibody. Removal of these sugar molecules, a process called glycoengineering, allows for efficient B-cell depletion at low doses.

BRIUMVI is indicated in the U.S. for the treatment of adults with RMS, including clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease and in several countries outside of the U.S. for the treatment of adult patients with RMS with active disease defined by clinical or imaging features.

A list of authorized specialty distributors can be found at www.briumvi.com.

IMPORTANT SAFETY INFORMATION

Contraindications: BRIUMVI is contraindicated in patients with:

Active Hepatitis B Virus infection
A history of life-threatening infusion reaction to BRIUMVI
WARNINGS AND PRECAUTIONS

Infusion Reactions: BRIUMVI can cause infusion reactions, which can include pyrexia, chills, headache, influenza-like illness, tachycardia, nausea, throat irritation, erythema, and an anaphylactic reaction. In MS clinical trials, the incidence of infusion reactions in BRIUMVI-treated patients who received infusion reaction-limiting premedication prior to each infusion was 48%, with the highest incidence within 24 hours of the first infusion. 0.6% of BRIUMVI-treated patients experienced infusion reactions that were serious, some requiring hospitalization.

Observe treated patients for infusion reactions during the infusion and for at least one hour after the completion of the first two infusions unless infusion reaction and/or hypersensitivity has been observed in association with the current or any prior infusion. Inform patients that infusion reactions can occur up to 24 hours after the infusion. Administer the recommended pre-medication to reduce the frequency and severity of infusion reactions. If life-threatening, stop the infusion immediately, permanently discontinue BRIUMVI, and administer appropriate supportive treatment. Less severe infusion reactions may involve temporarily stopping the infusion, reducing the infusion rate, and/or administering symptomatic treatment.

Infections: Serious, life-threatening or fatal, bacterial and viral infections have been reported in BRIUMVI-treated patients. In MS clinical trials, the overall rate of infections in BRIUMVI-treated patients was 56% compared to 54% in teriflunomide-treated patients. The rate of serious infections was 5% compared to 3% respectively. There were 3 infection-related deaths in BRIUMVI-treated patients. The most common infections in BRIUMVI-treated patients included upper respiratory tract infection (45%) and urinary tract infection (10%). Delay BRIUMVI administration in patients with an active infection until the infection is resolved.

Consider the potential for increased immunosuppressive effects when initiating BRIUMVI after immunosuppressive therapy or initiating an immunosuppressive therapy after BRIUMVI.

Hepatitis B Virus (HBV) Reactivation: HBV reactivation occurred in an MS patient treated with BRIUMVI in clinical trials. Fulminant hepatitis, hepatic failure, and death caused by HBV reactivation have occurred in patients treated with anti-CD20 antibodies. Perform HBV screening in all patients before initiation of treatment with BRIUMVI. Do not start treatment with BRIUMVI in patients with active HBV confirmed by positive results for HB surface antigen (HBsAg) and anti-HB tests. For patients who are negative for HBsAg and positive for HB core antibody [HBcAb+] or are carriers of HBV [HBsAg+], consult a liver disease expert before starting and during treatment.

Progressive Multifocal Leukoencephalopathy (PML): PML is an opportunistic viral infection of the brain caused by the JC virus (JCV) that typically only occurs in patients who are immunocompromised, and that usually leads to death or severe disability. JCV infection resulting in PML has been observed in patients treated with anti-CD20 antibodies, including BRIUMVI, and other MS therapies.

If PML is suspected, withhold BRIUMVI and perform an appropriate diagnostic evaluation. Typical symptoms associated with PML are diverse, progress over days to weeks, and include progressive weakness on one side of the body or clumsiness of limbs, disturbance of vision, and changes in thinking, memory, and orientation leading to confusion and personality changes.

MRI findings may be apparent before clinical signs or symptoms; monitoring for signs consistent with PML may be useful. Further investigate suspicious findings to allow for an early diagnosis of PML, if present. Following discontinuation of another MS medication associated with PML, lower PML-related mortality and morbidity have been reported in patients who were initially asymptomatic at diagnosis compared to patients who had characteristic clinical signs and symptoms at diagnosis.

If PML is confirmed, treatment with BRIUMVI should be discontinued.

Vaccinations: Administer all immunizations according to immunization guidelines: for live or live-attenuated vaccines, at least 4 weeks and, whenever possible, at least 2 weeks prior to initiation of BRIUMVI for non-live vaccines. BRIUMVI may interfere with the effectiveness of non-live vaccines. The safety of immunization with live or live-attenuated vaccines during or following administration of BRIUMVI has not been studied. Vaccination with live virus vaccines is not recommended during treatment and until B-cell repletion.

Vaccination of Infants Born to Mothers Treated with BRIUMVI During Pregnancy: In infants of mothers exposed to BRIUMVI during pregnancy, assess B-cell counts prior to administration of live or live-attenuated vaccines as measured by CD19+ B-cells. Depletion of B-cells in these infants may increase the risks from live or live-attenuated vaccines. Inactivated or non-live vaccines may be administered prior to B-cell recovery. Assessment of vaccine immune responses, including consultation with a qualified specialist, should be considered to determine whether a protective immune response was mounted.

Fetal Risk: Based on data from animal studies, BRIUMVI may cause fetal harm when administered to a pregnant woman. Transient peripheral B-cell depletion and lymphocytopenia have been reported in infants born to mothers exposed to other anti-CD20 B-cell depleting antibodies during pregnancy. Advise females of reproductive potential to use effective contraception during BRIUMVI treatment and for 6 months after the last dose.

Reduction in Immunoglobulins: As expected with any B-cell depleting therapy, decreased immunoglobulin levels were observed. Decrease in immunoglobulin M (IgM) was reported in 0.6% of BRIUMVI-treated patients compared to none of the patients treated with teriflunomide in RMS clinical trials. Monitor the levels of quantitative serum immunoglobulins during treatment, especially in patients with opportunistic or recurrent infections, and after discontinuation of therapy, until B-cell repletion. Consider discontinuing BRIUMVI therapy if a patient with low immunoglobulins develops a serious opportunistic infection or recurrent infections, or if prolonged hypogammaglobulinemia requires treatment with intravenous immunoglobulins.

Liver Injury: Clinically significant liver injury, without findings of viral hepatitis, has been reported in the postmarketing setting in patients treated with anti-CD20 B-cell depleting therapies approved for the treatment of MS, including BRIUMVI. Signs of liver injury, including markedly elevated serum hepatic enzymes with elevated total bilirubin, have occurred from weeks to months after administration.

Patients treated with BRIUMVI found to have an alanine aminotransaminase (ALT) or aspartate aminotransferase (AST) greater than 3x the upper limit of normal (ULN) with serum total bilirubin greater than 2x ULN are potentially at risk for severe drug-induced liver injury.

Obtain liver function tests prior to initiating treatment with BRIUMVI, and monitor for signs and symptoms of any hepatic injury during treatment. Measure serum aminotransferases, alkaline phosphatase, and bilirubin levels promptly in patients who report symptoms that may indicate liver injury, including new or worsening fatigue, anorexia, nausea, vomiting, right upper abdominal discomfort, dark urine, or jaundice. If liver injury is present and an alternative etiology is not identified, discontinue BRIUMVI.

Most Common Adverse Reactions: The most common adverse reactions in RMS trials (incidence of at least 10%) were infusion reactions and upper respiratory tract infections.

Physicians, pharmacists, or other healthcare professionals with questions about BRIUMVI should visit www.briumvi.com.

ABOUT BRIUMVI PATIENT SUPPORT in the U.S.
BRIUMVI Patient Support is a flexible program designed by TG Therapeutics to support U.S. patients through their treatment journey in a way that works best for them. More information about the BRIUMVI Patient Support program can be accessed at www.briumvipatientsupport.com.

ABOUT MULTIPLE SCLEROSIS
Relapsing multiple sclerosis (RMS) is a chronic demyelinating disease of the central nervous system (CNS) and includes people with relapsing-remitting multiple sclerosis (RRMS) and people with secondary progressive multiple sclerosis (SPMS) who continue to experience relapses. RRMS is the most common form of multiple sclerosis (MS) and is characterized by episodes of new or worsening signs or symptoms (relapses) followed by periods of recovery. It is estimated that nearly 1 million people are living with MS in the United States and approximately 85% are initially diagnosed with RRMS.1,2 The majority of people who are diagnosed with RRMS will eventually transition to SPMS, in which they experience steadily worsening disability over time. Worldwide, more than 2.3 million people have a diagnosis of MS.

(Press release, TG Therapeutics, MAY 6, 2026, View Source [SID1234665202])

Tempest Presents Clinical Update at ISCT 2026 Annual Meeting

On May 6, 2026 Tempest Therapeutics, Inc. (Nasdaq: TPST) ("Tempest") reported its most recent clinical data from its lead dual-targeting chimeric antigen receptor T-cell ("CAR-T") therapy product candidate, TPST-2003, at the International Society for Cell & Gene Therapy ("ISCT") Scientific Annual Meeting in Dublin, Ireland. Updates include the latest data from the ongoing REDEEM-1 Phase 1/2a trial evaluating TPST-2003, as well as progress in Tempest’s other dual-targeting CAR-T pipeline programs.

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Earlier this year, Tempest announced positive interim data from REDEEM-1, including a 100% complete response ("CR") rate among all six efficacy then-evaluable patients according to the International Myeloma Working Group ("IMWG") uniform response criteria, as well as a favorable safety profile. Today’s clinical update more than doubles the previous dataset, achieving a 100% CR rate among all 15 CAR-T-naïve efficacy evaluable patients across two ongoing Phase 1 trials – REDEEM-1 evaluating TPST-2003 in relapsed/refractory multiple myeloma ("rrMM") (10/10 according to the IMWG uniform response criteria) and POEMS-1 evaluating TPST-2003 in POEMS syndrome (5/5 CRVEGF).

To date, a total of 44 patients have received one infusion of TPST-2003, including 24 patients in a prior Phase 1/2 investigator-initiated trial ("IIT") evaluating TPST-2003 in rrMM, 13 patients in the ongoing REDEEM-1 trial, and seven patients in the ongoing POEMS-1 trial, representing one of the largest datasets evaluating a CD19/BCMA dual-targeting CAR-T therapy.

All 10 CAR-T-naïve patients currently evaluable for efficacy in the REDEEM-1 trial – three treated at dose level 1 (1 x 106 cells/kg), three at dose level 2 (2 x 106 cells/kg), and four at dose level 3 (3 x 106 cells/kg) – achieved a CR according to the IMWG uniform response criteria. A single patient, who had previously received a BCMA-targeting CAR-T, did not respond. Among 29 CAR-T-naïve evaluable patients with measurable disease at baseline across REDEEM-1 and the prior Phase 1/2 IIT, including 18 patients with EMD, the overall response rate ("ORR") was 100% (29/29) according to the IMWG uniform response criteria.

In the POEMS-1 trial, as of the January 31, 2026 data cutoff, all five evaluable patients had achieved a CRVEGF within two months of being administered TPST-2003. No dose-limiting toxicities were observed in any of the treated patients.

"The results that we are presenting at ISCT this week support our belief that TPST-2003 could offer a life-saving option for patients with rrMM, and, if approved, may outperform first-generation single-targeting CAR-T therapies, in particular in patients with EMD" said Dr. Matt Angel, President and Chief Executive Officer of Tempest. "We are excited by the potential to offer patients who have relapsed from multiple prior lines of therapy a treatment that may achieve up to complete remission of their cancer."

The observed safety profile (no Grade >3 CRS or ICANS), together with the consistency of responses observed in the REDEEM-1 trial continue to support Tempest’s plan to pursue its objective of meeting with the FDA to discuss initiating a U.S. registrational study later this year.

Presentation Details

REDEEM-1, a multicenter open-label Phase 1/2a study of a BCMA/CD19 dual-targeting CAR-T therapy in patients with relapsed/refractory multiple myeloma including those with extramedullary disease. Abstract #1268. Oral Presentation, May 6, 2026 (12:00-13:00 GMT) & Poster Reception, May 7, 2026 (18:00-19:30 GMT), Immunotherapy Session. Presenter: Dr. Matt Angel.

About TPST-2003

TPST-2003 is an autologous CD19/BCMA dual-targeting CAR-T therapy designed to improve response depth and durability in patients with relapsed/refractory multiple myeloma ("rrMM") through a parallel dual-targeting CAR structure designed to address tumor heterogeneity and antigen escape. TPST-2003 is being developed in China by Tempest’s partner, Novatim Immune Therapeutics ("Novatim"). Under its agreement with Novatim, Tempest has the exclusive right to develop TPST-2003 outside of China, India, Turkey, and Russia.

About REDEEM-1

REDEEM-1 (Study nos. CTR20233309/NCT06223646) is a Phase 1/2a clinical trial evaluating TPST-2003 in patients with relapsed/refractory multiple myeloma, including patients with high-risk cytogenetics and patients with extramedullary disease. The REDEEM-1 trial has a targeted full enrollment of 32 patients. The REDEEM-1 trial is sponsored and being conducted by Tempest’s partner, Novatim Immune Therapeutics, with a total of eight clinical sites registered in China: Peking Union Medical College Hospital (Dr. Jian Li; lead site), The First Affiliated Hospital of Nanchang University (Dr. Fei Li), Peking University First Hospital (Dr. Yujin Dong), Henan Cancer Hospital (Dr. Baijun Fang), Shanxi Provincial Cancer Hospital (Dr. Liping Su), The Second Xiangya Hospital of Central South University (Dr. Hongling Peng), The First Affiliated Hospital of China Medical University (Dr. Xiaojing Yan), and The Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College (Dr. Dehui Zou).

About POEMS-1

POEMS-1 is a Phase 1 clinical trial (Study nos. CTR20242409/NCT06518876) evaluating TPST-2003 in patients with POEMS, a rare blood disorder caused by abnormal plasma cells. The POEMS-1 trial has a targeted full enrollment of 12 patients. The POEMS-1 trial is sponsored and being conducted by Tempest’s partner, Novatim, with a total of three clinical sites registered in China: Peking Union Medical College Hospital (Dr. Jian Li; lead site), Xuanwu Hospital Capital Medical University (Dr. Wanling Sun), and West China Hospital, Sichuan University (Dr. Yu Wu).

Additional Clinical Trial Evaluating TPST-2003

A Phase 1/2 IIT (Study no. NCT04714827) is evaluating TPST-2003 in patients with relapsed/refractory multiple myeloma, including patients with high-risk cytogenetics and patients with extramedullary disease. The IIT is sponsored and being conducted by Tempest’s partner, Novatim, with a total of two clinical sites registered in China: Shanghai Fourth People’s Hospital (Dr. Weijun Fu; lead site) and Shanxi Provincial Cancer Hospital (Dr. Liping Su).

(Press release, Tempest Therapeutics, MAY 6, 2026, View Source [SID1234665201])