Skip to content
drillr.ai
Sign up

GOSS

Gossamer Bio, Inc.

NASDAQ · Healthcare · Biotechnology · US

$0.18
−0.17%
Ask drillr
0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+0.6%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Aug 26, 2026Giraudo Bryan · officer: COO/CFOA-Award25$0.00
Aug 26, 2026Giraudo Bryan · officer: COO/CFOA-Award5,800,051$0.17
Aug 26, 2026Hasnain Faheem · director, officer: President & CEOA-Award166$0.00
Aug 26, 2026Hasnain Faheem · director, officer: President & CEOA-Award5,800,051$0.17
Aug 26, 2026Christian Waage · officer: EVP, Tech Ops and AdminA-Award2,900,026$0.17
Aug 26, 2026Peterson Caryn · officer: Chief Development OfficerA-Award5,800,051$0.17
Aug 26, 2026Smith Robert Paul JR · officer: Chief Commercial OfficerA-Award5,800,051$0.17
Jun 5, 2026Cox Russell J. · directorA-Award115,000$0.18
Jun 5, 2026Milligan Sandra · directorA-Award115,000$0.18
Jun 5, 2026Nathan Steven D · directorA-Award115,000$0.18
Jun 5, 2026Quisel John D · directorA-Award115,000$0.18
Jun 5, 2026Drynan Skye · directorA-Award115,000$0.18
Jun 5, 2026Daniel Thomas O · directorA-Award115,000$0.18
Mar 20, 2026Aranda Richard · officer: Chief Medical OfficerA-Award157,500$0.45
Mar 20, 2026Aranda Richard · officer: Chief Medical OfficerA-Award487,500$0.45
Mar 20, 2026Aranda Richard · officer: Chief Medical OfficerA-Award572,000$0.45
Mar 20, 2026Aranda Richard · officer: Chief Medical OfficerA-Award562,500$0.45
Mar 20, 2026Giraudo Bryan · officer: COO/CFOA-Award176,667$0.45
Mar 20, 2026Giraudo Bryan · officer: COO/CFOA-Award211,500$0.45
Mar 20, 2026Giraudo Bryan · officer: COO/CFOA-Award181,250$0.45
Mar 20, 2026Giraudo Bryan · officer: COO/CFOA-Award543,750$0.45
Mar 20, 2026Giraudo Bryan · officer: COO/CFOA-Award638,000$0.45
Mar 20, 2026Giraudo Bryan · officer: COO/CFOA-Award693,750$0.45
Mar 20, 2026Hasnain Faheem · director, officer: President & CEOA-Award43,500$0.45
Mar 20, 2026Hasnain Faheem · director, officer: President & CEOA-Award47,000$0.45
Mar 20, 2026Hasnain Faheem · director, officer: President & CEOA-Award325,000$0.45
Mar 20, 2026Hasnain Faheem · director, officer: President & CEOA-Award650,000$0.45
Mar 20, 2026Hasnain Faheem · director, officer: President & CEOA-Award544,500$0.45
Mar 20, 2026Hasnain Faheem · director, officer: President & CEOA-Award437,500$0.45
Mar 20, 2026Hasnain Faheem · director, officer: President & CEOA-Award1,312,500$0.45
Institutional positioning

13F filings over the trailing two quarters

New 49Increased 69Reduced 59Sold out 193
FilerActionSharesFiled
BLACKROCK, INC.Reduced16,826,695May 13, 2026
Kalehua Capital Management LLCNew Position10,236,293May 15, 2026
AQR CAPITAL MANAGEMENT LLCIncreased10,126,897May 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position9,394,593May 15, 2026
ARCH VENTURE MANAGEMENT, LLCUnchanged8,055,916May 15, 2026
OCTAGON CAPITAL ADVISORS LPReduced7,750,000May 15, 2026
SAMSARA BIOCAPITAL, LLCUnchanged7,222,559May 15, 2026
BALYASNY ASSET MANAGEMENT L.P.Increased5,922,298May 15, 2026
ACADIAN ASSET MANAGEMENT LLCIncreased5,277,904May 13, 2026
SIREN, L.L.C.Unchanged5,208,968May 14, 2026
683 CAPITAL MANAGEMENT, LLCReduced5,000,000May 15, 2026
HHLR ADVISORS, LTD.Unchanged4,974,041May 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased4,939,691May 15, 2026
QUBE RESEARCH & TECHNOLOGIES LTDIncreased4,917,763May 15, 2026
TWO SIGMA INVESTMENTS, LPIncreased4,780,851May 15, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 26, 2026