GOSS insider transaction filings
Gossamer Bio, Inc. — 37 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-06-05. Screen GOSS transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-05 | 4 | Nathan Steven D — Director | Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Drynan Skye — Director | Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Milligan Sandra — Director | Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Quisel John D — Director | Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Daniel Thomas O — Director | Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Cox Russell J. — Director | Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2026-03-20 | 4 | Smith Robert Paul JR — Chief Commercial Officer | Disposition to issuer (D): 562,500 (derivative) · Disposition to issuer (D): 572,000 (derivative) · Grant/award (A): 562,500 (derivative) · Grant/award (A): 572,000 (derivative) | EDGAR |
| 2026-03-20 | 4 | Aranda Richard — Chief Medical Officer | Disposition to issuer (D): 562,500 (derivative) · Disposition to issuer (D): 572,000 (derivative) · Disposition to issuer (D): 487,500 (derivative) · Disposition to issuer (D): 162,500 (derivative) · Disposition to issuer (D): 157,500 (derivative) · Disposition to issuer (D): 157,500 (derivative) · +18 more | EDGAR |
| 2026-03-20 | 4 | Peterson Caryn — EVP, Regulatory Affairs | Disposition to issuer (D): 506,250 (derivative) · Disposition to issuer (D): 440,000 (derivative) · Disposition to issuer (D): 375,000 (derivative) · Disposition to issuer (D): 125,000 (derivative) · Disposition to issuer (D): 157,500 (derivative) · Disposition to issuer (D): 157,500 (derivative) · +18 more | EDGAR |
| 2026-03-20 | 4 | Giraudo Bryan — COO/CFO | Disposition to issuer (D): 693,750 (derivative) · Disposition to issuer (D): 638,000 (derivative) · Disposition to issuer (D): 543,750 (derivative) · Disposition to issuer (D): 181,250 (derivative) · Disposition to issuer (D): 211,500 (derivative) · Disposition to issuer (D): 211,500 (derivative) · +16 more | EDGAR |
| 2026-03-20 | 4 | Christian Waage — EVP, Tech Ops and Admin | Disposition to issuer (D): 506,250 (derivative) · Disposition to issuer (D): 440,000 (derivative) · Disposition to issuer (D): 375,000 (derivative) · Disposition to issuer (D): 125,000 (derivative) · Disposition to issuer (D): 157,500 (derivative) · Disposition to issuer (D): 157,500 (derivative) · +14 more | EDGAR |
| 2026-03-20 | 4 | Hasnain Faheem — President & CEO, Director | Disposition to issuer (D): 1,680,000 (derivative) · Disposition to issuer (D): 1,540,000 (derivative) · Disposition to issuer (D): 1,312,500 (derivative) · Disposition to issuer (D): 437,500 (derivative) · Disposition to issuer (D): 544,500 (derivative) · Disposition to issuer (D): 544,500 (derivative) · +14 more | EDGAR |
| 2026-01-05 | 4 | Smith Robert Paul JR — Chief Commercial Officer | Grant/award (A): 93,750 @ $0 · Grant/award (A): 562,500 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Aranda Richard — Chief Medical Officer | Grant/award (A): 93,750 @ $0 · Grant/award (A): 562,500 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Peterson Caryn — EVP, Regulatory Affairs | Grant/award (A): 84,500 @ $0 · Grant/award (A): 506,250 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Giraudo Bryan — COO/CFO | Grant/award (A): 115,750 @ $0 · Grant/award (A): 693,750 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Christian Waage — EVP, Tech Ops and Admin | Grant/award (A): 84,500 @ $0 · Grant/award (A): 506,250 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Hasnain Faheem — President & CEO, Director | Grant/award (A): 280,000 @ $0 · Grant/award (A): 1,680,000 (derivative) @ $0 | EDGAR |
| 2025-10-02 | 4 | Smith Robert Paul JR — Chief Commercial Officer | Grant/award (A): 162,500 @ $0 | EDGAR |
| 2025-10-02 | 4 | Aranda Richard — Chief Medical Officer | Grant/award (A): 162,500 @ $0 | EDGAR |
| 2025-10-02 | 4 | Peterson Caryn — EVP, Regulatory Affairs | Grant/award (A): 125,000 @ $0 | EDGAR |
| 2025-10-02 | 4 | Giraudo Bryan — COO/CFO | Grant/award (A): 181,250 @ $0 | EDGAR |
| 2025-10-02 | 4 | Christian Waage — EVP, Tech Ops and Admin | Grant/award (A): 125,000 @ $0 | EDGAR |
| 2025-10-02 | 4 | Hasnain Faheem — President & CEO, Director | Grant/award (A): 437,500 @ $0 | EDGAR |
| 2025-08-20 | 4 | Milligan Sandra — Director | Purchase (P): 26,050 @ $1.92 | EDGAR |
| 2025-06-26 | 4 | Nathan Steven D — Director | Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4 | Milligan Sandra — Director | Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4 | Drynan Skye — Director | Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4 | Quisel John D — Director | Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4 | Daniel Thomas O — Director | Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4 | Cox Russell J. — Director | Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2025-03-06 | 4 | Peterson Caryn — EVP, Regulatory Affairs | Grant/award (A): 440,000 (derivative) @ $0 | EDGAR |
| 2025-03-06 | 4 | Smith Robert Paul JR — Chief Commercial Officer | Grant/award (A): 572,000 (derivative) @ $0 | EDGAR |
| 2025-03-06 | 4 | Aranda Richard — Chief Medical Officer | Grant/award (A): 572,000 (derivative) @ $0 | EDGAR |
| 2025-03-06 | 4 | Giraudo Bryan — COO/CFO | Grant/award (A): 638,000 (derivative) @ $0 | EDGAR |
| 2025-03-06 | 4 | Christian Waage — EVP, Tech Ops and Admin | Grant/award (A): 440,000 (derivative) @ $0 | EDGAR |
| 2025-03-06 | 4 | Hasnain Faheem — President & CEO, Director | Grant/award (A): 1,540,000 (derivative) @ $0 | EDGAR |
Recent 8-K events — Gossamer Bio, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-21 | 8-K | 1.01 — Entry into a Material Definitive Agreement 3.02 — Unregistered Sales of Equity Securities 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-13 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-27 | 8-K | 1.01 — Entry into a Material Definitive Agreement 1.02 — Termination of a Material Definitive Agreement 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-15 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-01 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-17 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-05 | 8-K | 1.01 — Entry into a Material Definitive Agreement 1.02 — Termination of a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 3.02 — Unregistered Sales of Equity Securities 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-05 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-06-02 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-18 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.02 — Results of Operations and Financial Condition 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 8.01 — Other Events | EDGAR |
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?ticker=GOSS returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new ones to you in seconds. API docs →