Thompson Tamar has filed 24 insider transactions across 2 companies since June 2023.
Most recent transaction: a disposition of 13489 shares of Avidity Biosciences, Inc. ($RNAM) on February 27, 2026.
Activity breakdown: 0 open-market purchases and 1 sale.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | Thompson Tamar | Not found | D | Stock Option (Right to Buy) | 13489 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.01% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | Thompson Tamar | Not found | D | Stock Option (Right to Buy) | 22000 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.01% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | Thompson Tamar | Not found | D | Stock Option (Right to Buy) | 22000 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.01% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | Thompson Tamar | Not found | D | Stock Option (Right to Buy) | 10034 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.01% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | Thompson Tamar | Not found | D | Common Stock | 6692 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.00% |
| Dec. 8, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Thompson Tamar | Director | M | Common Stock, par value $0.001 per share | 1413 | $0.00 | 3,773.0000 | 127,201,954 | 59.87% | 0.00% |
| Dec. 8, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Thompson Tamar | Director | M | Restricted Stock Units | 1413 | $0.00 | 119,663.0000 | 127,201,954 | 1.17% | 0.00% |
| Nov. 20, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Thompson Tamar | Director | A | Restricted Stock Units | 5468 | $0.00 | 122,023.0000 | 127,201,954 | 4.69% | 0.00% |
| Nov. 21, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Thompson Tamar | Director | M | Common Stock, par value $0.001 per share | 947 | $0.00 | 2,360.0000 | 127,201,954 | 67.02% | 0.00% |
| Nov. 20, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Thompson Tamar | Director | A | Options to purchase common stock | 18115 | $0.00 | 116,555.0000 | 127,201,954 | 18.40% | 0.01% |
| Nov. 21, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Thompson Tamar | Director | M | Restricted Stock Units | 947 | $0.00 | 121,076.0000 | 127,201,954 | 0.78% | 0.00% |
| June 10, 2025 | Avidity Biosciences, Inc. | $RNAM | Thompson Tamar | Director | A | Stock Option (Right to Buy) | 10034 | $0.00 | 10,034.0000 | 120,212,301 | 9999.99% | 0.01% |
| June 10, 2025 | Avidity Biosciences, Inc. | $RNAM | Thompson Tamar | Director | A | Common Stock | 6692 | $0.00 | 6,692.0000 | 120,212,301 | 9999.99% | 0.01% |
| Dec. 9, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Thompson Tamar | Director | M | Common Stock, par value $0.001 per share | 1413 | $0.00 | 1,413.0000 | 125,407,279 | 9999.99% | 0.00% |
| Dec. 9, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Thompson Tamar | Director | M | Restricted Stock Units | 1413 | $0.00 | 98,440.0000 | 125,407,279 | 1.42% | 0.00% |
| Nov. 21, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Thompson Tamar | Director | A | Options to purchase common stock | 23248 | $0.00 | 97,012.0000 | 125,407,279 | 31.52% | 0.02% |
| Nov. 21, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Thompson Tamar | Director | A | Restricted Stock Units | 2841 | $0.00 | 99,853.0000 | 125,407,279 | 2.93% | 0.00% |
| Oct. 7, 2024 | Avidity Biosciences, Inc. | $RNAM | Thompson Tamar | Director | M | Stock Option (Right to Buy) | 30000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Oct. 7, 2024 | Avidity Biosciences, Inc. | $RNAM | Thompson Tamar | Director | M | Common Stock | 30000 | $27.63 | 30,000.0000 | 0 | 9999.99% | 0.00% |
| Oct. 7, 2024 | Avidity Biosciences, Inc. | $RNAM | Thompson Tamar | Director | S | Common Stock | 30000 | $44.98 | 0.0000 | 0 | 100.00% | 0.00% |
| June 13, 2024 | Avidity Biosciences, Inc. | $RNAM | Thompson Tamar | Director | A | Stock Option (Right to Buy) | 13489 | $0.00 | 13,490.0000 | 0 | 9999.99% | 0.00% |
| Dec. 8, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Thompson Tamar | Director | A | Options to purchase common stock | 29524 | $0.00 | 69,524.0000 | 111,375,631 | 73.81% | 0.03% |
| Dec. 8, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Thompson Tamar | Director | A | Restricted Stock Units | 4240 | $0.00 | 73,764.0000 | 111,375,631 | 6.10% | 0.00% |
| June 15, 2023 | Avidity Biosciences, Inc. | $RNAM | Thompson Tamar | Director | A | Stock Option (Right to Buy) | 22000 | $0.00 | 22,000.0000 | 0 | 9999.99% | 0.00% |