Gossamer Bio, Inc. - Common Stock (GOSS)

Glancy Prongay Wolke & Rotter LLP, a leading national shareholder rights law firm, today announced that it has commenced an investigation on behalf of Gossamer Bio, Inc. (“Gossamer” or the “Company”) (NASDAQ: GOSS) investors concerning the Company’s possible violations of the federal securities laws.

Law Offices of Howard G. Smith announces an investigation on behalf of Gossamer Bio, Inc. (“Gossamer” or the “Company”) (NASDAQ: GOSS) investors concerning the Company’s possible violations of federal securities laws.

LOS ANGELES, April 03, 2026 (GLOBE NEWSWIRE) -- The Schall Law Firm, a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Gossamer Bio, Inc. (“Gossamer” or “the Company”) (NASDAQ: GOSS) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission.

The DJS Law Group reminds investors of a class action lawsuit against Gossamer Bio, Inc. (“Gossamer” or “the Company”) (NASDAQ: GOSS) violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission.

The Law Offices of Frank R. Cruz announces an investigation of Gossamer Bio, Inc. (“Gossamer” or the “Company”) (NASDAQ: GOSS) on behalf of investors concerning the Company’s possible violations of federal securities laws.

The Schall Law Firm, a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Gossamer Bio, Inc. (“Gossamer” or “the Company”) (NASDAQ: GOSS) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission.

Bragar Eagel & Squire, P.C. Litigation Partner Brandon Walker Encourages Investors Who Suffered Losses In Gossamer (GOSS) To Contact Him Directly To Discuss Their Options

Robbins LLP informs stockholders that a class action was filed on behalf of all investors who purchased or otherwise acquired Gossamer Bio, Inc. (NASDAQ: GOSS) securities between June 16, 2025 and February 20, 2026. Gossamer is a clinical stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary hypertension (PH) associated with interstitial lung disease.

Faruqi & Faruqi, LLP Securities Litigation Partner James (Josh) Wilson Encourages Investors Who Suffered Losses In Gossamer To Contact Him Directly To Discuss Their Options

NEW YORK, March 24, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Gossamer Bio, Inc. (“Gossamer” or the “Company”) (NASDAQ: GOSS). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.

NEW YORK, March 17, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Gossamer Bio, Inc. (“Gossamer” or the “Company”) (NASDAQ: GOSS).  Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.

Gossamer Bio, Inc. (Nasdaq: GOSS), a biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced its financial results for the fourth quarter and year ended December 31, 2025, and provided a corporate update. Gossamer Bio and the Chiesi Group are jointly developing seralutinib under a global collaboration agreement.

NEW YORK, March 10, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Gossamer Bio, Inc. (“Gossamer” or the “Company”) (NASDAQ: GOSS). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.

NEW YORK, March 03, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Gossamer Bio, Inc. (“Gossamer” or the “Company”) (NASDAQ: GOSS). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.

The Schall Law Firm, a national shareholder rights litigation firm, announces that it is investigating claims on behalf of investors of Gossamer Bio, Inc. (“Gossamer” or “the Company”) (NASDAQ: GOSS) for violations of the securities laws.

Gossamer Bio, Inc. (Nasdaq: GOSS) a biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced topline results for the PROSERA Phase 3 Study of seralutinib in patients with PAH. Gossamer Bio and the Chiesi Group are jointly developing seralutinib under a global collaboration agreement.

Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced that the Compensation Committee of Gossamer’s Board of Directors approved the grant, effective January 5th, 2026, to three non-executive employees of non-qualified stock option awards to purchase up to an aggregate of 212,500 shares of the Company’s common stock under the Gossamer Bio, Inc. 2023 Employment Inducement Incentive Award Plan (“2023 Inducement Plan”). The award was granted as an inducement material to the employees entering into employment with Gossamer in accordance with Nasdaq Listing Rule 5635(c)(4).

Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced that the Compensation Committee of Gossamer’s Board of Directors approved the grant, effective December 5th, 2025, to a non-executive employee of non-qualified stock option awards to purchase up to an aggregate of 200,000 shares of the Company’s common stock under the Gossamer Bio, Inc. 2023 Employment Inducement Incentive Award Plan (“2023 Inducement Plan”). The award was granted as an inducement material to the employee entering into employment with Gossamer in accordance with Nasdaq Listing Rule 5635(c)(4).

Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced that the Company will participate in the following investor conferences in December.

Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced that the Compensation Committee of Gossamer’s Board of Directors approved the grant, effective November 5th, 2025, to six non-executive employees of non-qualified stock option awards to purchase up to an aggregate of 378,996 shares of the Company’s common stock under the Gossamer Bio, Inc. 2023 Employment Inducement Incentive Award Plan (“2023 Inducement Plan”). The awards were granted as an inducement material to the employees entering into employment with Gossamer in accordance with Nasdaq Listing Rule 5635(c)(4).

Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced that the Company will participate in the following investor conferences in November.

Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced its financial results for the third quarter ended September 30, 2025, and provided a business update. Gossamer Bio and the Chiesi Group are jointly developing seralutinib under a global collaboration agreement.

Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced it has entered into an option agreement to acquire Respira Therapeutics (Respira) and its lead product candidate, RT234, an investigational inhaled vardenafil dry‑powder therapy designed for as needed (PRN) use in pulmonary hypertension (PH), including PAH and PH‑ILD. Despite existing treatment options, the majority of PH patients continue to struggle with debilitating symptoms that disrupt daily life and limit their independence, because there are no approved PRN therapies in PAH or PH-ILD.

Gossamer Bio, Inc. (Nasdaq: GOSS), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced that five scientific presentations related to seralutinib will be presented at the European Respiratory Society (ERS) Congress 2025, which takes place from September 27th through October 1st in Amsterdam, Netherlands and online. Gossamer Bio and the Chiesi Group are jointly developing seralutinib under a global collaboration agreement.

Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced that the Compensation Committee of Gossamer’s Board of Directors approved the grant, effective September 5th, 2025, to two non-executive employees of non-qualified stock option awards to purchase up to an aggregate of 87,500 shares of the Company’s common stock under the Gossamer Bio, Inc. 2023 Employment Inducement Incentive Award Plan (“2023 Inducement Plan”). The awards were granted as an inducement material to the employees entering into employment with Gossamer in accordance with Nasdaq Listing Rule 5635(c)(4).