Peterson Caryn has filed 45 insider transactions across 1 company since March 2023.
Most recent transaction: a disposition of 21167 shares of Gossamer Bio, Inc. ($GOSS) on March 19, 2026.
Activity breakdown: 0 open-market purchases and 2 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 21167 | $0.00 | 0.0000 | 231,456,247 | 100.00% | 0.01% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 375000 | $0.00 | 0.0000 | 231,456,247 | 100.00% | 0.16% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 125000 | $0.00 | 0.0000 | 231,456,247 | 100.00% | 0.05% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 157500 | $0.00 | 0.0000 | 231,456,247 | 100.00% | 0.07% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 157500 | $0.00 | 0.0000 | 231,456,247 | 100.00% | 0.07% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 126667 | $0.00 | 0.0000 | 231,456,247 | 100.00% | 0.05% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 18834 | $0.00 | 0.0000 | 231,456,247 | 100.00% | 0.01% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 22784 | $0.00 | 0.0000 | 231,456,247 | 100.00% | 0.01% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 9167 | $0.00 | 0.0000 | 231,456,247 | 100.00% | 0.00% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 32334 | $0.00 | 0.0000 | 231,456,247 | 100.00% | 0.01% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 506250 | $0.00 | 506,250.0000 | 231,456,247 | 9999.99% | 0.22% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 440000 | $0.00 | 440,000.0000 | 231,456,247 | 9999.99% | 0.19% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 375000 | $0.00 | 375,000.0000 | 231,456,247 | 9999.99% | 0.16% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 125000 | $0.00 | 125,000.0000 | 231,456,247 | 9999.99% | 0.05% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 157500 | $0.00 | 157,500.0000 | 231,456,247 | 9999.99% | 0.07% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 157500 | $0.00 | 157,500.0000 | 231,456,247 | 9999.99% | 0.07% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 126667 | $0.00 | 126,667.0000 | 231,456,247 | 9999.99% | 0.05% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 21167 | $0.00 | 21,167.0000 | 231,456,247 | 9999.99% | 0.01% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 18834 | $0.00 | 18,834.0000 | 231,456,247 | 9999.99% | 0.01% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 22784 | $0.00 | 22,784.0000 | 231,456,247 | 9999.99% | 0.01% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 9167 | $0.00 | 9,167.0000 | 231,456,247 | 9999.99% | 0.00% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 32334 | $0.00 | 32,334.0000 | 231,456,247 | 9999.99% | 0.01% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 506250 | $0.00 | 0.0000 | 231,456,247 | 100.00% | 0.22% |
| March 19, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 440000 | $0.00 | 0.0000 | 231,456,247 | 100.00% | 0.19% |
| Jan. 2, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 506250 | $0.00 | 506,250.0000 | 231,456,247 | 9999.99% | 0.22% |
| Jan. 2, 2026 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Common Stock | 84500 | $0.00 | 259,333.0000 | 231,456,247 | 48.33% | 0.04% |
| Oct. 1, 2025 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Common Stock | 125000 | $0.00 | 174,833.0000 | 227,221,261 | 250.84% | 0.06% |
| March 4, 2025 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 440000 | $0.00 | 440,000.0000 | 0 | 9999.99% | 0.00% |
| March 18, 2024 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | S | Common Stock | 4018 | $1.33 | 49,833.0000 | 0 | 7.46% | 0.00% |
| Jan. 2, 2024 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 375000 | $0.00 | 375,000.0000 | 0 | 9999.99% | 0.00% |
| Nov. 20, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 125000 | $0.00 | 125,000.0000 | 0 | 9999.99% | 0.00% |
| May 5, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 21167 | $0.00 | 21,167.0000 | 0 | 9999.99% | 0.00% |
| May 5, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 126667 | $0.00 | 126,667.0000 | 0 | 9999.99% | 0.00% |
| May 5, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 22784 | $0.00 | 22,784.0000 | 0 | 9999.99% | 0.00% |
| May 5, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 18834 | $0.00 | 18,834.0000 | 0 | 9999.99% | 0.00% |
| May 5, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 48500 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| May 5, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 13750 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| May 5, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 34175 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| May 5, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 28250 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| May 5, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 31750 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| May 5, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | D | Stock Option (Right to Buy) | 190000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| May 5, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 32334 | $0.00 | 32,334.0000 | 0 | 9999.99% | 0.00% |
| May 5, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 9167 | $0.00 | 9,167.0000 | 0 | 9999.99% | 0.00% |
| March 20, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | A | Stock Option (Right to Buy) | 157500 | $0.00 | 157,500.0000 | 0 | 9999.99% | 0.00% |
| March 16, 2023 | Gossamer Bio, Inc. | $GOSS | Peterson Caryn | EVP, Regulatory Affairs | S | Common Stock | 7564 | $1.10 | 53,851.0000 | 0 | 12.32% | 0.00% |