HCW Biologics Reports First Quarter 2026
Business Highlights and Financial Results

On May 14, 2026 HCW Biologics Inc. (the "Company" or "HCW Biologics") (NASDAQ: HCWB), a clinical-stage biopharmaceutical company focused on developing transformative fusion immunotherapeutics to treat autoimmune disease, cancer and senescence-associated dysplasia, reported financial results and recent business highlights for the three months ended March 31, 2026.

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The Company remains on track to provide preliminary clinical data readout from the first two dose levels of the Phase 1 clinical study evaluating HCW9302 in alopecia areata in the first half of 2026. There are two clinical sites actively enrolling patients, and enrollment has been on schedule. HCW9302 is an injectable, first-in-kind interleukin 2 ("IL-2") fusion protein complex designed to suppress the hair-follicle killing activities of the auto-reactive immune cells typically found in patients suffering with alopecia areata by activating and expanding regulatory T ("Treg") cells. The Company has not reported any dose limiting toxicities in the patients treated to date. With continued patient enrollment, the full Phase 1 human data readout is expected in the fourth quarter of 2026.

Dr. Hing C. Wong, the Company’s Founder and Chief Executive Officer, stated, "HCW9302 was selected as the lead product candidate for the Company’s autoimmune program because it has demonstrated relatively high IL-2Rα affinity and sustains serum exposure, which implies it has a strong profile for the treatment of autoimmune disorders. The Company’s preclinical studies in nonhuman primates show that HCW9302 achieves significantly longer serum half-life and exhibits strong biological activity in relatively low doses, which could appear in the human data readout as support for enhanced receptor selectivity, better tolerability and reduced off-target effects."

Business Highlights

Transaction Closed for Exclusive Worldwide License for HCW11-006

On March 16, 2026, the closing for the licensing arrangement with Beijing Trimmune Biotech Co., Ltd ("Trimmune") occurred upon receipt of the full nonrefundable upfront license fee. The Trimmune upfront license fee consisted of $3.5 million in gross cash proceeds, or $2.9 million net of taxes, and an in-kind payment of a transferable minority equity interest in Trimmune with a fair value of $3.5 million. For the three months ended March 31, 2026, the Company recognized $6.5 million in revenue and $470,000 in deferred revenue.

Commercial-Ready Molecules Used as Reagents

On March 13, 2026, Science Advances, a peer-reviewed, high-impact journal, released a publication with the Company’s data that showed the Company’s proprietary, commercial-ready compound, HCW9206, could fundamentally change how CAR-T cell therapies are manufactured and potential improve their clinical efficacy against diseases such as cancer and HIV. These findings support the Company’s belief that HCW9206 is a leap forward in both clinical potential and manufacturing efficiency. The Company is actively seeking a corporate partner to commercialize the reagent program.

February 2026 Equity Offering

On February 19, 2026, the Company completed a $1.5 million equity financing with an existing investor in which it issued Pre-Funded Warrants to purchase 2,477,292 shares of Common Stock for $0.0001 per share and Common Stock Warrants to purchase up to 2,477,292 shares of Common Stock for $0.6055 per share. Contemporaneously with this transaction, the Company agreed to amend previously issued Common Stock Warrants to purchase up to 3,020,410 shares of Common Stock to lower the exercise price from $2.41 per share to $0.6055 per share. The Warrants are subject to stockholder approval.

First Quarter 2026 Financial Results

Revenues: Revenues for the three months ended March 31, 2025 and 2026 were $5,065 and $6.5 million, respectively. Since inception, the Company’s revenues have been derived exclusively from its licenses. Under the Wugen License and supply agreements, the Company has recognized over $16.0 million of aggregate revenues since the inception of the license in 2020. In the three months ended March 31, 2025, Wugen was winding down its clinical programs in NK-Cell therapies to focus exclusively on its breakthrough CAR-T program that is in its pivotal clinical trial. In the three months ended March 31, 2026, the Company completed the closing of the exclusive, worldwide licensing agreement with Trimmune for the in vivo rights for HCW11-006. The nonrefundable upfront license fee consisted of $3.5 million in gross cash proceeds and $3.5 million in-kind in the form of a transferable minority equity interest in Trimmune.

Research and development (R&D) expenses: R&D expenses for the three months ended March 31, 2025 and 2026 were $1.5 million and $1.3 million, respectively, a decrease of $220,763, or 15%. The change was primarily attributable to decreases of $272,757 in manufacturing and materials costs and $60,287 in clinical expenses, partially offset by increases of $77,279 in salaries and benefits and $40,455 in preclinical expenses.

General and administrative (G&A) expenses: G&A expenses for the three months ended March 31, 2025 and 2026 were $2.2 million and $1.8 million, respectively, a decrease of $394,320, or 18%. The change was primarily attributable to decreases of $265,137 in salaries and benefits due to a decrease in stock-based compensation and $258,646 in accretion of a fixed bonus payable upon the maturity date of Secured Notes due to restructuring of the Secured Notes in May 2025, partially offset by increases in taxes and expenses related to financings.

Legal expenses (recoveries), net: Legal expenses and recoveries, net represent the legal fees that the Company incurred for an Arbitration, net of insurance recoveries. In the three months ended March 31, 2025, the Company received a $2.0 million insurance recovery, partially offset by $260,507 of legal expenses. The Company anticipates it will continue to incur expenses for the costs of remaining in compliance with the terms of the Settlement and Release Agreement, primarily due to requirements for patents which are necessary to protect the Company’s intellectual property rights.

Net income (loss): Net income (loss) for the three months ended March 31, 2025 and 2026 were a loss of $2.2 million and income of $3.5 million, respectively.

Financial Guidance

As of March 31, 2026, the Company believes that substantial doubt exists regarding its ability to continue as a going concern for at least 12 months from the issuance date of the audited financial statements, without additional funding or financial support. We considered future elements of our financing plan, especially business development programs. We have had early success in completing key elements of our multi-step financing plan; however, we cannot be assured that we will continue to have success with remaining elements of our plan.

On May 5, 2026, the Company was granted a Hearing to appeal a determination by the Nasdaq Listing Qualifications Staff (the "Staff") to delist the Company’s securities from The Nasdaq Capital Market ("Nasdaq") due to the Company’s non-compliance with the $1.00 minimum bid price requirement. The Staff will require a brief period of deliberations before notification of whether the Company’s plan was accepted.

(Press release, HCW Biologics, MAY 14, 2026, View Source [SID1234665705])

Gilead Prices $3 Billion of Senior Unsecured Notes

On May 14, 2026 Gilead Sciences, Inc. (Nasdaq: GILD), a biopharmaceutical company that has pursued and achieved breakthroughs in medicine for more than three decades, reported the pricing of senior unsecured notes in an aggregate principal amount of $3 billion, in an underwritten, registered public offering, consisting of $500 million of 4.250% senior notes maturing in 2028, $1 billion of 4.400% senior notes maturing in 2029, $1 billion of 4.600% senior notes maturing in 2031 and $500 million of 4.900% senior notes maturing in 2034. The offering is expected to close on May 20, 2026, subject to customary closing conditions.

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Gilead intends to use the net proceeds from this offering for general corporate purposes, which may include funding for acquisitions, investments, strategic transactions or other business opportunities.

Barclays Capital Inc., BofA Securities, Inc. and Citigroup Global Markets Inc. are acting as lead joint book-running managers in the offering. The offering of the securities is being made only by means of a prospectus supplement and the accompanying base prospectus, which is filed as part of Gilead’s effective shelf registration statement on Form S-3 (File No. 333-273745), copies of which may be obtained from:

Barclays Capital Inc.

c/o Broadridge Financial Solutions,

1155 Long Island Avenue

Edgewood, NY 11717

(888) 603-5847

Email: [email protected]

BofA Securities, Inc.

NC1-022-02-25

201 North Tryon Street

Charlotte, NC 28255

(800) 294-1322

Email: [email protected]

Citigroup Global Markets Inc.

c/o Broadridge Financial Solutions,

1155 Long Island Avenue

Edgewood, NY 11717

(800) 831-9146

Email: [email protected]

An electronic copy of the prospectus supplement and the accompanying base prospectus and other documents Gilead has filed with the U.S. Securities and Exchange Commission (the "SEC") may also be obtained at no charge at the SEC’s website at www.sec.gov. This press release does not constitute an offer to sell or the solicitation of an offer to buy any of the securities, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

(Press release, Gilead Sciences, MAY 14, 2026, View Source [SID1234665731])

IN8bio Presents New Translational Data Demonstrating DeltEx DRI Reshapes the Immune Landscape in Glioblastoma

On May 14, 2026 IN8bio, Inc., a clinical-stage biopharmaceutical company developing innovative gamma-delta (γδ) T cell therapies and γδ T cell engagers (TCEs) for cancer and autoimmune diseases, reported compelling new clinical translational data from two leading scientific forums. Presented at the International Society for Cell & Gene Therapy (ISCT) 2026 Annual Meeting and the American Society of Gene & Cell Therapy (ASGCT) (Free ASGCT Whitepaper) 2026 Annual Meeting, the data advance the mechanistic and clinical understanding of its DeltEx Drug Resistant Immunotherapy (DRI) platform in solid tumors such as glioblastoma (GBM).

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Together, the presentations provide mechanistic insight into how repeated dosing of genetically modified γδ T cells (DeltEx DRI), exerts therapeutic pressure on the tumor microenvironment to counteract chemotherapy-induced immune suppression, drive anti-tumor activity, and potentially improve survival outcomes in patients with newly diagnosed GBM.

"The data presented at ISCT and ASGCT (Free ASGCT Whitepaper) underscore the power of IN8bio’s translational analytic approaches, which integrate AI and single cell analysis with immunogenomics, transcriptomics and proteomics to develop an in-depth understanding of tumor biology and therapeutic response," said Kate Rochlin, Ph.D., President and Chief Operating Officer, IN8bio. "Notably, the data suggest that repeated intracranial DeltEx DRI dosing may counteract chemotherapy-related systemic immune suppression and promote a coordinated anti-tumor immune response within the GBM microenvironment. These findings reinforce our conviction that this platform is changing outcomes for patients with this devastating disease."

The new analysis builds on previously reported clinical findings from IN8bio’s ongoing Phase 1 and 2 trials evaluating DeltEx DRI in newly diagnosed GBM patients. In patients receiving multiple doses, the company previously reported median progression-free survival (mPFS) of 13.0 months, compared to 6.6 months for standard-of-care (SOC) patients, representing a 97% improvement, with median overall survival (mOS) of greater than 17.2+ months compared to 13.2 months for SOC controls. The new mechanistic data now provides a potential biological rational for these outcomes.

New analyses presented at ASGCT (Free ASGCT Whitepaper) 2026, revealed a key immunological advantage of multidose DeltEx DRI therapy. Patients receiving repeated dosing demonstrated sustained stability of CD3+, CD4+, CD8+ and γδ T cell populations during TMZ maintenance therapy, in contrast to single dose patients who exhibited the well-characterized, progressive T cell decline associated with SOC TMZ chemotherapy. Chemotherapy-induced lymphopenia is a known driver of treatment delays and poor prognosis in GBM, making this immune-preservation effect clinically significant.

Quantitative analyses further demonstrated that higher cumulative γδ T cell exposure correlated with improved overall survival, and that greater CD4+ T cell reconstitution during treatment was independently associated with favorable patient outcomes. These findings are consistent with prior population-level observations linking high endogenous γδ T cell levels to improved survival across multiple cancer type. Critically, IN8bio’s new data show this survival-associated immune state can be actively induced and sustained through therapeutic intervention. A composite immune score integrating cytokine balance and immune dynamics demonstrated clear separation between higher- and lower-survival patient groups, establishing a potential framework for biomarker-driven patient stratification.

In collaboration with Elucidate Bio, spatially resolved transcriptomic and single-cell analysis of paired GBM tumor samples collected at diagnosis and recurrence were presented at ISCT 2026. The findings reveal a striking degree of intratumoral immune remodeling attributable to DeltEx DRI treatment, including an 18x increase in intratumoral CD8+ T cell density and a 90% reduction in granulocyte density, representing a fundamental shift in the tumor immune environment.

Complementary analyses demonstrated reduced expression of T cell exhaustion markers alongside enhanced cytotoxic immune activity, indicative of a functionally robust, tumor-directed immune response. At the single-cell molecular level, the data further defined the coordinated immune evasion pathways deployed by recurrent GBM tumors.

Collectively, the translational insights from both presentations support the potential for DeltEx DRI to address GBM through a multi-pronged mechanism: preserving systemic immune competence and reactivating intra-tumoral cytotoxic responses while providing the mechanistic foundation for rational biomarker discovery.

(Press release, In8bio, MAY 14, 2026, View Source [SID1234665706])

Atossa Therapeutics to Host Virtual KOL Event Featuring Dr. Laura Esserman to Discuss Development of (Z)-Endoxifen in ER-Positive Breast Cancer

On May 14, 2026 Atossa Therapeutics, Inc. (Nasdaq: ATOS) ("Atossa" or the "Company"), a clinical-stage biopharmaceutical company developing novel therapies in oncology and other areas of significant unmet medical need, reported that it will host a virtual key opinion leader event focused on the evolving clinical and translational data supporting the development of (Z)-endoxifen, the Company’s investigational selective estrogen receptor modulator/degrader, or SERM/D, as a potential next-generation endocrine therapy backbone across multiple estrogen receptor ("ER") -positive breast cancer settings.

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The event will feature internationally recognized surgical oncologist and breast cancer expert Dr. Laura Esserman. Dr. Esserman serves as Director of the University of California San Francisco Breast Care Center and is the founder and principal investigator of the I-SPY Trials, an innovative platform designed to accelerate the development of personalized breast cancer therapies.

"Dr. Esserman has been at the forefront of innovation in breast cancer clinical research, adaptive trial design, and precision oncology for decades," said Dr. Steven Quay, M.D., Ph.D., Chairman and Chief Executive Officer of Atossa Therapeutics. "We believe (Z)-endoxifen has the potential to become more than a single-indication therapy; it may serve as an endocrine therapy platform across multiple ER-positive breast cancer settings. Dr. Esserman’s leadership in translational breast cancer research makes her an ideal expert to discuss the emerging clinical and biomarker data supporting this opportunity."

The discussion is expected to address several topics of interest to clinicians, investors, and potential strategic partners, including:

Recent data from the I-SPY2 Endocrine Optimization Pilot study evaluating (Z)-endoxifen as monotherapy in newly diagnosed ER-positive breast cancer patients
Translational biomarker data, including Ki-67 reduction, MRI functional tumor volume changes, and circulating tumor DNA dynamics
Data supporting (Z)-endoxifen activity across clinically relevant ESR1 mutations, including Y537N, Y537S, and D538G
The rationale for (Z)-endoxifen as a potential next-generation endocrine therapy backbone
Combination strategies, including CDK4/6 inhibitor combinations
Development opportunities in premenopausal breast cancer and endocrine therapy optimization
Event Details

Date: Tuesday, May 19, 2026
Time: 1:00 to 2:00 p.m. PT
Moderator: Michael King, Managing Director at Rodman & Renshaw
Registration: View Source

Attendees may submit questions to [email protected] up to 24 hours prior to the event.

A replay of the webcast will be available on the Company’s "Investors" portion of its website for at least 60 days following the live event.

About (Z)-Endoxifen

(Z)-endoxifen is a potent Selective Estrogen Receptor Modulator/Degrader, or SERM/D, with demonstrated activity across multiple mechanisms of action. Atossa is evaluating its potential applications in oncology and rare diseases. The Company’s proprietary oral formulation has shown a favorable safety profile and pharmacology distinct from tamoxifen, including ER-targeted effects and PKC inhibition. Atossa’s (Z)-endoxifen is not approved for any indication.

(Press release, Atossa Therapeutics, MAY 14, 2026, View Source [SID1234665732])

Fennec Pharmaceuticals Reports First Quarter 2026 Financial Results and Provides Business Update

On May 14, 2026 Fennec Pharmaceuticals Inc. (NASDAQ:FENC; TSX: FRX), a specialty pharmaceutical company, reported its financial results for the first quarter ended March 31, 2026 and provided a business update.

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"We are encouraged by our continued quarter-over-quarter growth and strong start to the year. 2026 is a defining period for Fennec, with growing clinical interest in independently evaluating PEDMARK (sodium thiosulfate injection) across new patient populations and tumor types that reinforces our confidence in its broader potential," said Jeff Hackman, chief executive officer of Fennec Pharmaceuticals. "At the same time, the strategic enhancements we’ve made to our field force are already sharpening our execution and expanding our reach – in tandem, the positive experiences we’re seeing through our Fennec HEARS program are translating into meaningful access and strong conversion rates, resulting in more patients being treated. Coupled with our solid financial foundation, we believe we are well-positioned to continue to build momentum and deliver sustained growth throughout 2026."

Business Highlights:

Continued Growth Within Key PEDMARK Accounts: Adoption continues to build across both new and existing accounts, with established prescribers demonstrating growing confidence in PEDMARK, contributing to deeper utilization and higher vials per account. Demand in the first quarter was driven by prescribing in three core tumor types: testicular, cervical and head and neck cancers, and these remain foundational to Fennec’s commercial opportunity. Additionally, our comprehensive patient services HUB, Fennec HEARS, continues to be an important contributor to PEDMARK utilization and HCP adoption. Through ongoing operational refinements, we are seeing more patients enter the funnel, while the overall experience for those patients continues to improve.

Initiation of Third Institution-Led Clinical Study: In April 2026, Fennec announced the initiation of an investigator-sponsored study by the University of Arizona Cancer Center to evaluate use of PEDMARK in AYA and adult patients with head and neck and testicular cancers receiving cisplatin. Additional investigator-initiated studies supporting the use of PEDMARK have been submitted to Fennec and are currently under review.

2026 American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) Annual Meeting: Four abstracts evaluating PEDMARK were accepted as part of the 2026 ASCO (Free ASCO Whitepaper) Annual Meeting program, taking place May 29-June 2, 2026 in Chicago, IL.
Upcoming Events:

Annual Meeting of Shareholders: Fennec would like to invite shareholders to participate in the Company’s Annual General Meeting on Tuesday, Wednesday June 10, 2026 at 10:00 a.m. ET, which will be held virtually and online by visiting www.virtualshareholdermeeting.com/FENC2026.

Investor Conferences: Fennec will be participating in the following upcoming investor conferences:

H.C. Wainwright 4th Annual BioConnect Conference, held in partnership with Nasdaq in NYC, on May 19, 2026;
B. Riley Securities 2026 Annual Investor Conference in Los Angeles, CA, on May 20 & 21, 2026;
24th Annual Craig-Hallum Institutional Investor Conference being held in Minneapolis, MN on May 28, 2026.

(Press release, Fennec Pharmaceuticals, MAY 14, 2026, View Source [SID1234669322])