See how company executives and directors have been buying or selling shares over the past 30 days. Insider trading activity can help investors better understand company leadership's actions.
Transactions0
Insider Involved0
Total Buys$0.00
Total Sells$0.00
Browse insider buying and selling activity reported to the SEC over the past year, including who traded, when they traded, and the value of each transaction.
No Insider Transactions found for Gossamer Bio, Inc.
View older insider trading records reported to the SEC to research long-term buying and selling trends.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Aug 19, 2025 Milligan Sandra |
Milligan Sandra
|
Buy |
26,050 | $1.92 | 26,050 $1.92 $50,016 |
Jun 24, 2024 Aranda Richard |
Aranda Richard
CMO
|
Sell |
1,908 | $0.66 | 1,908 $0.66 $1,260 |
Jun 21, 2024 Hasnain Faheem |
Hasnain Faheem
President & CEO
|
Buy |
372,000 | $0.67 | 372,000 $0.67 $250,282 |
Jun 18, 2024 Giraudo Bryan |
Giraudo Bryan
COO/CFO
|
Buy |
100,000 | $0.59 | 100,000 $0.59 $59,110 |
Jun 17, 2024 Smith Robert Paul JR |
Smith Robert Paul JR
Chief Commercial Officer
|
Buy |
25,000 | $0.60 | 25,000 $0.60 $15,050 |
Mar 27, 2024 Christian Waage |
Christian Waage
EVP, Tech Ops and Admin
|
Sell |
6,430 | $1.16 | 6,430 $1.16 $7,430 |
Mar 27, 2024 Hasnain Faheem |
Hasnain Faheem
President & CEO
|
Sell |
23,172 | $1.16 | 23,172 $1.16 $26,773 |
Mar 27, 2024 Giraudo Bryan |
Giraudo Bryan
COO/CFO
|
Sell |
6,430 | $1.16 | 6,430 $1.16 $7,431 |
Mar 18, 2024 Peterson Caryn |
Peterson Caryn
EVP, Regulatory Affairs
|
Sell |
4,018 | $1.33 | 4,018 $1.33 $5,343 |
Mar 18, 2024 Aranda Richard |
Aranda Richard
CMO
|
Sell |
4,018 | $1.33 | 4,018 $1.33 $5,342 |
Jun 22, 2023 Aranda Richard |
Aranda Richard
CMO
|
Sell |
1,814 | $1.29 | 1,814 $1.29 $2,340 |
Apr 04, 2023 Giraudo Bryan |
Giraudo Bryan
COO/CFO
|
Buy |
55,000 | $1.02 | 55,000 $1.02 $56,095 |
Mar 22, 2023 Hasnain Faheem |
Hasnain Faheem
President & CEO
|
Buy |
440,500 | $1.14 | 440,500 $1.14 $503,580 |
Mar 21, 2023 Hasnain Faheem |
Hasnain Faheem
President & CEO
|
Buy |
269,389 | $1.20 | 269,389 $1.20 $322,324 |
Mar 20, 2023 Christian Waage |
Christian Waage
EVP, Tech Ops and Admin
|
Buy |
18,500 | $1.20 | 18,500 $1.20 $22,145 |
Mar 20, 2023 Hasnain Faheem |
Hasnain Faheem
President & CEO
|
Buy |
168,683 | $1.03 | 168,683 $1.03 $174,486 |
Mar 20, 2023 Giraudo Bryan |
Giraudo Bryan
COO/CFO
|
Buy |
50,000 | $0.97 | 50,000 $0.97 $48,435 |
Mar 16, 2023 Carter Laura |
Carter Laura
Chief Scientific Officer
|
Sell |
6,029 | $1.10 | 6,029 $1.10 $6,620 |
Mar 16, 2023 Peterson Caryn |
Peterson Caryn
EVP, Regulatory Affairs
|
Sell |
7,564 | $1.10 | 7,564 $1.10 $8,305 |
Mar 16, 2023 Aranda Richard |
Aranda Richard
CMO
|
Sell |
7,563 | $1.10 | 7,563 $1.10 $8,304 |
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