
– New data from the Phase 3 INDIGO open-label extension will include the longer-term flare protection and safety data of obexelimab in IgG4-RD –
Zenas BioPharma, Inc., a clinical-stage biopharmaceutical company, engages in the development and commercialization of transformative immunology-based therapies. The company is headquartered in Waltham, Massachusetts.
| Revenue (TTM) | $1.00M |
| Gross Profit (TTM) | $-212.47M |
| EBITDA | $-273.87M |
| Operating Margin | -7766.00% |
| Return on Equity | -199.00% |
| Return on Assets | -34.40% |
| Revenue/Share (TTM) | $0.02 |
| Book Value | $3.90 |
| Price-to-Book | 7.82 |
| Price-to-Sales (TTM) | 1756.51 |
| EV/Revenue | 1585.92 |
| EV/EBITDA | — |
| Quarterly Earnings Growth (YoY) | 0.00% |
| Quarterly Revenue Growth (YoY) | -100.00% |
| Shares Outstanding | $65.18M |
| Float | $45.02M |
| % Insiders | 19.75% |
| % Institutions | 100.88% |
Volatility is currently expanding

– New data from the Phase 3 INDIGO open-label extension will include the longer-term flare protection and safety data of obexelimab in IgG4-RD –

WALTHAM, Mass., Sept. 18, 2026 (GLOBE NEWSWIRE) -- Zenas BioPharma, Inc. (“Zenas” or the “Company”) (Nasdaq: ZBIO), a clinical-stage global biopharmaceutical company committed to being a leader in the development and commercialization of transformative therapies for patients living with autoimmune and inflammatory diseases, today announced that on September 15, 2026 (the “Grant Date”), the Compensation Committee of the Company's Board of Directors granted non-qualified stock options to purchase an aggregate of 53,700 shares of the Company's common stock (“Stock Options”) and an aggregate of 98,900 restricted stock units of the Company's common stock (“RSUs”) to newly hired employees of the Company as an inducement material to such employees' entry into employment with the Company, in accordance with Nasdaq Listing Rule 5635(c)(4) (the “Inducement Grant”).

Zenas BioPharma, Inc. (ZBIO) Presents at Morgan Stanley 24th Annual Global Healthcare Conference Transcript

Zenas BioPharma, Inc. (ZBIO) Presents at Citigroup's Biopharma Back to School Summit 2026 Transcript

WALTHAM, Mass., Sept. 08, 2026 (GLOBE NEWSWIRE) -- Zenas BioPharma, Inc. (“Zenas” or the “Company”) (Nasdaq: ZBIO), a clinical-stage global biopharmaceutical company committed to being a leader in the development and commercialization of transformative therapies for patients living with autoimmune and inflammatory diseases, today announced that it will host an Obexelimab IgG4-RD Investor Event virtually on Tuesday, September 29, 2026, from 8:00 – 9:30 a.m. ET.

WALTHAM, Mass., Sept. 04, 2026 (GLOBE NEWSWIRE) -- Zenas BioPharma, Inc. (“Zenas” or the “Company”) (Nasdaq: ZBIO), a clinical-stage global biopharmaceutical company committed to being a leader in the development and commercialization of transformative therapies for patients living with autoimmune and inflammatory diseases, today announced management's presentations at the following investor conferences: Citi Biopharma Back to School Conference on Wednesday, September 9, 2026, at 4:20 p.m.

WALTHAM, Mass., Aug. 18, 2026 (GLOBE NEWSWIRE) -- Zenas BioPharma, Inc. (“Zenas” or the “Company”) (Nasdaq: ZBIO), a clinical-stage global biopharmaceutical company committed to being a leader in the development and commercialization of transformative therapies for patients living with autoimmune and inflammatory diseases, today announced that on August 17, 2026 (the “Grant Date”), the Compensation Committee of the Company's Board of Directors granted an aggregate of 11,000 restricted stock units of the Company's common stock (“RSUs”) to newly hired employees of the Company as an inducement material to such employees' entry into employment with the Company, in accordance with Nasdaq Listing Rule 5635(c)(4) (the “Inducement Grant”).

- Obexelimab BLA submission for the treatment of IgG4-RD accepted by FDA; PDUFA target action date of May 27, 2027 - - New study data confirm bioequivalence of obexelimab single-dose prefilled autoinjector pen compared to prefilled syringes - - Obexelimab global Phase 2 SunStone SLE trial topline results expected in Q4 2026 - - ZB021 (oral IL-17AA/AF inhibitor) dosing ongoing in Phase 1 trial; initial clinical data expected by year-end - - Four Orelabrutinib abstracts accepted for poster presentation at MSToronto 2026 - - Expanded Board of Directors with the appointment of Christy Oliger, who brings more than 30 years of global biopharmaceutical commercial and operating experience - - CFO to transition to Strategic Advisor to the Board Chair at the end of September - - Cash, cash equivalents and investments of $673.9 million as of June 30, 2026 - WALTHAM, Mass., Aug. 13, 2026 (GLOBE NEWSWIRE) -- Zenas BioPharma, Inc. (“Zenas” or the “Company”) (Nasdaq: ZBIO), a clinical-stage global biopharmaceutical company advancing therapies for patients living with autoimmune and inflammatory diseases, today reported financial results for the quarter ended June 30, 2026, and provided recent corporate updates.

WALTHAM, Mass., July 17, 2026 (GLOBE NEWSWIRE) -- Zenas BioPharma, Inc. (“Zenas” or the “Company”) (Nasdaq: ZBIO), a clinical-stage global biopharmaceutical company committed to being a leader in the development and commercialization of transformative therapies for patients living with autoimmune diseases, today announced that on July 15, 2026 (the “Grant Date”), the Compensation Committee of the Company's Board of Directors granted non-qualified stock options to purchase an aggregate of 35,750 shares of the Company's common stock (“Stock Options”) and an aggregate of 79,050 restricted stock units of the Company's common stock (“RSUs”) to newly hired employees of the Company as an inducement material to such employees' entry into employment with the Company, in accordance with Nasdaq Listing Rule 5635(c)(4) (the “Inducement Grant”).

Zenas BioPharma (ZBIO) is positioned as more than a rare-disease play, leveraging obexelimab's B-cell inhibition platform for multiple autoimmune indications. ZBIO's Phase 3 INDIGO trial validates obexelimab in IgG4-RD, showing 56% flare reduction and improved safety versus placebo, supporting a differentiated mechanism. With $718.5M cash and milestone access, ZBIO expects runway through Q2 2029, enabling launch prep and expansion into SLE and MS indications.
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