Richard Brudnick, Chief Business Officer, made one open market purchase of Prime Medicine ($PRME) shares in the last year, totaling $23,790, with the most recent on May 20, 2025. This ranks 3,692nd among 4,983 insiders, well below the average of $1.5 million per buyer. He also sold Scholar Rock Holding ($SRRK) shares twice for $180,531 total, most recently on May 29, 2025, ranking 8,648th out of 11,678 insiders versus an average of $8.6 million per seller.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 29, 2025 | Scholar Rock Holding Corp | $SRRK | Brudnick Richard | Not found | S | Common Stock | 4675 | $29.63 | 16,457.0000 | 111,838,272 | 22.12% | 0.00% |
| May 29, 2025 | Scholar Rock Holding Corp | $SRRK | Brudnick Richard | Not found | S | Common Stock | 1400 | $30.00 | 15,057.0000 | 111,838,272 | 8.51% | 0.00% |
| May 22, 2025 | Scholar Rock Holding Corp | $SRRK | Brudnick Richard | Director | A | Stock Option (Right to Buy) | 9206 | $0.00 | 9,206.0000 | 111,838,272 | 9999.99% | 0.01% |
| May 22, 2025 | Scholar Rock Holding Corp | $SRRK | Brudnick Richard | Director | A | Common Stock | 7632 | $0.00 | 21,132.0000 | 111,838,272 | 56.53% | 0.01% |
| May 20, 2025 | Prime Medicine, Inc. | $PRME | Brudnick Richard | Chief Business Officer | P | Common Stock | 20000 | $1.19 | 20,000.0000 | 131,160,842 | 9999.99% | 0.02% |
| Feb. 27, 2025 | Prime Medicine, Inc. | $PRME | Brudnick Richard | Chief Business Officer | A | Stock Option (right to buy) | 225000 | $0.00 | 225,000.0000 | 131,160,842 | 9999.99% | 0.17% |
| Dec. 5, 2024 | Prime Medicine, Inc. | $PRME | Brudnick Richard | Chief Business Officer | A | Stock Option (right to buy) | 19300 | $0.00 | 57,900.0000 | 0 | 50.00% | 0.00% |
| June 27, 2024 | Scholar Rock Holding Corp | $SRRK | Brudnick Richard | Not found | A | Common Stock | 13500 | $0.00 | 13,500.0000 | 95,892,601 | 9999.99% | 0.01% |
| June 27, 2024 | Scholar Rock Holding Corp | $SRRK | Brudnick Richard | Not found | A | Stock Option (Right to Buy) | 18000 | $0.00 | 18,000.0000 | 95,892,601 | 9999.99% | 0.02% |
| May 17, 2024 | Prime Medicine, Inc. | $PRME | Brudnick Richard | Chief Business Officer | A | Stock Option (right to buy) | 19300 | $0.00 | 38,600.0000 | 0 | 100.00% | 0.00% |
| Feb. 21, 2024 | Prime Medicine, Inc. | $PRME | Brudnick Richard | Chief Business Officer | A | Stock Option (right to buy) | 135747 | $0.00 | 135,747.0000 | 0 | 9999.99% | 0.00% |
| March 31, 2023 | Prime Medicine, Inc. | $PRME | Brudnick Richard | Chief Business Officer | A | Stock Option (right to buy) | 135747 | $0.00 | 135,747.0000 | 0 | 9999.99% | 0.00% |