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GOSS · Gossamer Bio, Inc. · Insider Trading

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$0.14 -0.02 (-10.08%)
Market Cap
$69.61M
Shares
488.85M

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.

Date Insider Type Shares
2026-08-24
Hasnain Faheem
Award
166
2026-08-24
Smith Robert Paul JR
Award
5,800,051
2026-08-24
Christian Waage
Award
2,900,026
2026-08-24
Giraudo Bryan
Award
5,800,051
2026-08-24
Giraudo Bryan
Award
25
2026-08-24
Hasnain Faheem
Award
5,800,051
2026-08-24
Peterson Caryn
Award
5,800,051
2026-06-04
Drynan Skye
Award
115,000
2026-06-04
Cox Russell J.
Award
115,000
2026-06-04
Nathan Steven D
Award
115,000
2026-06-04
Quisel John D
Award
115,000
2026-06-04
Daniel Thomas O
Award
115,000
2026-06-04
Milligan Sandra
Award
115,000
2026-03-19
Aranda Richard
Other
9,167
2026-03-19
Hasnain Faheem
Other
544,500
2026-03-19
Peterson Caryn
Award
18,834
2026-03-19
Giraudo Bryan
Other
211,500
2026-03-19
Aranda Richard
Award
572,000
2026-03-19
Giraudo Bryan
Other
181,250
2026-03-19
Hasnain Faheem
Award
650,000
2026-03-19
Aranda Richard
Award
157,500
2026-03-19
Peterson Caryn
Award
126,667
2026-03-19
Hasnain Faheem
Other
43,500
2026-03-19
Aranda Richard
Award
9,167
2026-03-19
Hasnain Faheem
Award
1,540,000
2026-03-19
Peterson Caryn
Award
22,784
2026-03-19
Giraudo Bryan
Award
693,750
2026-03-19
Giraudo Bryan
Other
638,000
2026-03-19
Aranda Richard
Other
126,667
2026-03-19
Giraudo Bryan
Award
60,000
2026-03-19
Peterson Caryn
Other
126,667
2026-03-19
Aranda Richard
Other
157,500
2026-03-19
Christian Waage
Other
157,500
2026-03-19
Peterson Caryn
Award
157,500
2026-03-19
Hasnain Faheem
Award
325,000
2026-03-19
Christian Waage
Other
70,000
2026-03-19
Christian Waage
Award
125,000
2026-03-19
Hasnain Faheem
Other
47,000
2026-03-19
Christian Waage
Award
70,000
2026-03-19
Christian Waage
Award
47,667
2026-03-19
Giraudo Bryan
Other
47,667
2026-03-19
Peterson Caryn
Other
157,500
2026-03-19
Christian Waage
Other
60,000
2026-03-19
Giraudo Bryan
Award
211,500
2026-03-19
Peterson Caryn
Other
22,784
2026-03-19
Hasnain Faheem
Other
1,312,500
2026-03-19
Christian Waage
Other
375,000
2026-03-19
Christian Waage
Award
126,667
2026-03-19
Hasnain Faheem
Other
325,000
2026-03-19
Christian Waage
Other
440,000
Legend Buy — open-market purchase Sell — open-market sale Shares acquired Shares disposed (gift, conversion, tax…)
Showing 1–50 of 339 transactions
Key facts CIK 1728117 CUSIP 38341P102 13F (30d) 100 filings 100 filers Visit website