# EDGAR Filing Document

**Accession Number:** 0001728117
**File Stem:** 0001728117-26-000042
**Filing Date:** 2026-6
**Character Count:** 5492
**Document Hash:** a23841766ecd2c3f1471fb39f912e3f4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001728117-26-000042.hdr.sgml**: 20260605

**ACCESSION NUMBER**: 0001728117-26-000042

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260604

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**FILED AS OF DATE**: 20260605

**DATE AS OF CHANGE**: 20260604

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Gossamer Bio, Inc.
- **CENTRAL INDEX KEY:** 0001728117
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 475461709
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38796
- **FILM NUMBER:** 261066141

**BUSINESS ADDRESS:**
- **STREET 1:** 3115 MERRYFIELD ROW
- **STREET 2:** SUITE 120
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
- **BUSINESS PHONE:** (858) 684-1300

**MAIL ADDRESS:**
- **STREET 1:** 3115 MERRYFIELD ROW
- **STREET 2:** SUITE 120
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121

?xml version='1.0' encoding='ASCII'? goss-20260604

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

 

**FORM 8-K**

 

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934**

**Date of Report (Date of earliest event reported): June 4, 2026**

 

**GOSSAMER BIO, INC.**

**(Exact name of Registrant as Specified in Its Charter)**

 

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| | | |
|:---|:---|:---|
| **Delaware** | **001-38796** | **47-5461709** |
| **(State or Other Jurisdiction<br>of Incorporation)** | **(Commission File Number)** | **(IRS Employer<br>Identification No.)** |

---

**3115 Merryfield Row, Suite 120**

**San Diego, California, 92121**

**(Address of Principal Executive Offices) (Zip Code)**

**(858) 684-1300**

**(Registrant's Telephone Number, Including Area Code)**

**N/A**

**(Former Name or Former Address, if Changed Since Last Report)**

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

---

| | | |
|:---|:---|:---|
| **Title of each class** | **Trading<br>Symbol(s)** | **Name of each exchange on which registered** |
| Common Stock, $0.0001 par value per share | GOSS | Nasdaq Global Select Market |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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**Item 5.07 Submission of Matters to a Vote of Security Holders.**

The following is a brief description of each matter voted upon at the Annual Meeting and the number of votes cast for, withheld or against, the number of abstentions and the number of broker non-votes with respect to each matter, as applicable.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.The election of two directors to serve as Class II directors for a three-year term to expire at the 2029 annual meeting of stockholders. The following two Class II directors were re-elected by the votes indicated:

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| | | | |
|:---|:---|:---|:---|
| | **For** | Withheld | Broker Non-Votes |
| Faheem Hasnain | 92,301,637 | 26,667,876 | 45,450,098 |
| Russell Cox | 88,975,980 | 29,993,533 | 45,450,098 |

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.The ratification of the selection of Ernst & Young LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026. The selection was ratified by the votes indicated:

---

| | | | |
|:---|:---|:---|:---|
| **For** | Against | Abstain | Broker Non-Votes |
| 163,185,993 | 1,192,448 | 41,170 |  |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.The approval, on an advisory basis, of the compensation of the Company's named executive officers. The compensation of the named executive officers was approved, on an advisory basis, by the votes indicated:

---

| | | | |
|:---|:---|:---|:---|
| **For** | **Against** | **Abstain** | **Broker Non-Votes** |
| 111,286,550 | 7,545,502 | 137,461 | 45,450,098 |

---

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**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

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| | | |
|:---|:---|:---|
| | GOSSAMER BIO, INC. | GOSSAMER BIO, INC. |
| Date: June 4, 2026 | By: | /s/ Christian Waage |
|  |  | Christian Waage |
|  |  | Executive Vice President, General Counsel & Secretary |

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