Before you sign or pay
- Court record: 3 federal cases name Gossamer Bio, Inc. under its legal name in its state, 2 still open on the docket; the latest is Sparks v. Gossamer Bio, Inc., filed 2026-06-19.
- Bankruptcy: no bankruptcy or receivership report found under Gossamer Bio, Inc. in our SEC 8-K records (as of 2026-10-18).
- Leadership changes: the latest reported is Gregory A. Ciongoli, Director (Form 8-K filed 2026-09-16). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names D. E. Shaw & Co., L.P. (filed 2026-10-08).
Who is behind it
Gossamer Bio, Inc.: incorporated in Delaware; business address in San Diego, California; industry Pharmaceutical Preparations (Schedule 13D/A, 2026-10-08).
Officers and directors, each with the role and the filing that names them:
- Faheem Hasnain: Executive Officer, Director (Form D, 2026-09-04)
- Russell Cox: Director (Form D, 2026-09-04)
- Thomas Daniel: Director (Form D, 2026-09-04)
- Skye J. Drynan: Director (Form D, 2026-09-04)
- Sandra Milligan: Director (Form D, 2026-09-04)
- Steven D. Nathan: Director (Form D, 2026-09-04)
- John Quisel: Director (Form D, 2026-09-04)
- Bryan Giraudo: Executive Officer (Form D, 2026-09-04)
- Christian Waage: Executive Officer (Form D, 2026-09-04)
- Robert Smith: Executive Officer (Form D, 2026-09-04)
- Caryn Peterson: Executive Officer (Form D, 2026-09-04)
| Report | Holder | Share |
|---|---|---|
| Schedule 13D/A, 2026-10-08 | D. E. Shaw & Co., L.P. | 6% |
| Schedule 13D/A, 2026-09-28 | D. E. Shaw & Co., L.P. | 5.1% |
| Schedule 13D/A, 2026-08-24 | D. E. Shaw & Co., L.P. | 6% |
| Schedule 13G/A, 2026-07-29 | Blackrock, Inc. | 1% |
| Schedule 13G, 2026-07-29 | Opaleye Management Inc. | 5.1% |
| Schedule 13D/A, 2026-07-24 | D. E. Shaw & Co., L.P. | 7.1% |
| Schedule 13D/A, 2026-07-01 | D. E. Shaw & Co., L.P. | 8.3% |
| Schedule 13G, 2026-06-11 | Deepcurrents Investment Group LLC | 7.7% |
| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-09-16 | Gregory A. Ciongoli | Director | appointed | 2026-09-16 |
| Form 8-K, 2026-09-16 | Gregory A. Ciongoli | appointed |
Money raised
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2026-09-04 | $25M | $150M |
| Form D, 2023-08-07 | $212.10M | $212.10M |
Court and legal record
| Case | Court | Filed | Status |
|---|---|---|---|
| Sparks v. Gossamer Bio, Inc. | District Court, S.D. California | 2026-06-19 | open |
| Kinnamon v. Gossamer Bio, Inc. | District Court, S.D. California | 2026-03-31 | open |
| Kuhne v. Gossamer Bio, Inc. | District Court, S.D. California | 2020-04-03 | closed 2022-09-30 |
A docket records that a case was brought, not that anything in it is true.
Red flags found
2 open federal cases (latest Sparks v. Gossamer Bio, Inc.).
Related pages
Funding and filing historyLeadership changes5%+ holdersCourt record
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
Not for employment, credit, insurance or tenancy decisions.
Cite this page
Permanent URL:
https://mentionfox.com/who-owns/gossamer-bio-incLast updated 2026-10-18
Primary record: Schedule 13D/A, 2026-10-08 · Form D, 2026-09-04 · Docket, Sparks v. Gossamer Bio, Inc. · Docket, Kinnamon v. Gossamer Bio, Inc.
Who owns Gossamer Bio, Inc.? Owners, funding and legal record. MentionFox, 2026-10-18. https://mentionfox.com/who-owns/gossamer-bio-inc