Mayo Stephen has filed 13 insider transactions across 3 companies since May 2023.
Most recent transaction: a sale of 7239 shares of Sarepta Therapeutics, Inc. ($SRPT) on March 12, 2026.
Activity breakdown: 0 open-market purchases and 3 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 12, 2026 | Sarepta Therapeutics, Inc. | $SRPT | Mayo Stephen | Not found | S | Common Stock | 7239 | $17.02 | 1,765.0000 | 100,237,000 | 80.40% | 0.01% |
| June 18, 2025 | Allogene Therapeutics, Inc. | $ALLO | Mayo Stephen | Director | A | Restricted Stock Unit | 95400 | $0.00 | 95,400.0000 | 217,264,738 | 9999.99% | 0.04% |
| May 30, 2025 | Merck & Co., Inc. | $MRK | Mayo Stephen | Director | A | Phantom Stock | 2863 | $76.84 | 12,539.8325 | 2,541,000,000 | 29.59% | 0.00% |
| March 10, 2025 | Sarepta Therapeutics, Inc. | $SRPT | Mayo Stephen | Not found | A | Common Stock | 2383 | $0.00 | 9,004.0000 | 107,875,000 | 35.99% | 0.00% |
| March 10, 2025 | Sarepta Therapeutics, Inc. | $SRPT | Mayo Stephen | Not found | A | Stock Options (right to buy) | 4792 | $0.00 | 4,792.0000 | 107,875,000 | 9999.99% | 0.00% |
| June 5, 2024 | Allogene Therapeutics, Inc. | $ALLO | Mayo Stephen | Not found | A | Stock Option (Right to buy) | 191082 | $0.00 | 191,082.0000 | 0 | 9999.99% | 0.00% |
| May 31, 2024 | Merck & Co., Inc. | $MRK | Mayo Stephen | Director | A | Phantom Stock | 1752 | $125.54 | 9,379.7044 | 2,547,000,000 | 22.98% | 0.00% |
| March 5, 2024 | Sarepta Therapeutics, Inc. | $SRPT | Mayo Stephen | Not found | S | Common Stock | 3135 | $122.96 | 6,621.0000 | 92,398,000 | 32.13% | 0.00% |
| March 1, 2024 | Sarepta Therapeutics, Inc. | $SRPT | Mayo Stephen | Not found | A | Stock Option (right to buy) | 3679 | $0.00 | 3,679.0000 | 92,398,000 | 9999.99% | 0.00% |
| March 1, 2024 | Sarepta Therapeutics, Inc. | $SRPT | Mayo Stephen | Not found | A | Common Stock | 1846 | $0.00 | 9,756.0000 | 92,398,000 | 23.34% | 0.00% |
| Aug. 7, 2023 | Allogene Therapeutics, Inc. | $ALLO | Mayo Stephen | Not found | S | Common Stock | 10000 | $4.29 | 25,328.0000 | 0 | 28.31% | 0.00% |
| June 13, 2023 | Allogene Therapeutics, Inc. | $ALLO | Mayo Stephen | Not found | A | Stock Option (Right to Buy) | 116120 | $0.00 | 116,120.0000 | 0 | 9999.99% | 0.00% |
| May 26, 2023 | Merck & Co., Inc. | $MRK | Mayo Stephen | Director | A | Phantom Stock | 1981 | $111.07 | 7,430.3599 | 2,542,000,000 | 36.35% | 0.00% |