George Simeon bought CRISPR Therapeutics AG ($CRSP) shares on the open market three times in the last year, totaling $51.5 million. His most recent purchase was on July 16, 2025. These buys rank him 24th among nearly 5,000 insiders for highest purchase amounts, well above the average of $1.46 million across about 3.3 transactions per insider. He made no open market sales in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 16, 2025 | CRISPR Therapeutics AG | $CRSP | George Simeon | Not found | P | Common Shares | 960983 | $52.03 | 2,038,763.0000 | 85,774,474 | 89.16% | 1.12% |
| July 16, 2025 | CRISPR Therapeutics AG | $CRSP | George Simeon | Not found | P | Common Shares | 22319 | $52.03 | 2,038,763.0000 | 85,774,474 | 1.11% | 0.03% |
| July 16, 2025 | CRISPR Therapeutics AG | $CRSP | George Simeon | Not found | P | Common Shares | 6510 | $52.03 | 2,038,763.0000 | 85,774,474 | 0.32% | 0.01% |
| June 10, 2025 | Design Therapeutics, Inc. | $DSGN | George Simeon | Not found | A | Stock Option (right to buy) | 19000 | $0.00 | 19,000.0000 | 56,762,678 | 9999.99% | 0.03% |
| June 5, 2025 | Nkarta, Inc. | $NKTX | George Simeon | Not found | A | Stock Option (right to buy) | 46000 | $0.00 | 46,000.0000 | 67,865,323 | 9999.99% | 0.07% |
| June 5, 2025 | CRISPR Therapeutics AG | $CRSP | George Simeon | Not found | A | Stock Option (Right to Buy) | 13000 | $0.00 | 13,000.0000 | 85,774,474 | 9999.99% | 0.02% |
| June 13, 2024 | Design Therapeutics, Inc. | $DSGN | George Simeon | Not found | A | Stock Option (right to buy) | 19000 | $0.00 | 19,000.0000 | 0 | 9999.99% | 0.00% |
| June 13, 2024 | Nkarta, Inc. | $NKTX | George Simeon | Not found | A | Stock Option (right to buy) | 22500 | $0.00 | 22,500.0000 | 49,014,300 | 9999.99% | 0.05% |
| May 30, 2024 | CRISPR Therapeutics AG | $CRSP | George Simeon | Not found | A | Stock Option (Right to buy) | 13000 | $0.00 | 13,000.0000 | 0 | 9999.99% | 0.00% |
| March 27, 2024 | Nkarta, Inc. | $NKTX | George Simeon | Not found | P | Common Stock | 1548341 | $10.00 | 3,333,333.0000 | 49,014,300 | 86.74% | 3.16% |
| March 27, 2024 | Nkarta, Inc. | $NKTX | George Simeon | Not found | P | Common Stock | 451659 | $10.00 | 3,333,333.0000 | 49,014,300 | 15.67% | 0.92% |
| Feb. 27, 2024 | CRISPR Therapeutics AG | $CRSP | George Simeon | Not found | A | Common Shares | 63177 | $71.50 | 1,048,951.0000 | 0 | 6.41% | 0.00% |
| Feb. 27, 2024 | CRISPR Therapeutics AG | $CRSP | George Simeon | Not found | A | Common Shares | 216578 | $71.50 | 1,048,951.0000 | 0 | 26.02% | 0.00% |
| Feb. 27, 2024 | CRISPR Therapeutics AG | $CRSP | George Simeon | Not found | A | Common Shares | 769196 | $71.50 | 1,048,951.0000 | 0 | 274.95% | 0.00% |
| June 8, 2023 | CRISPR Therapeutics AG | $CRSP | George Simeon | Director | A | Stock Option (Right to Buy) | 13000 | $0.00 | 13,000.0000 | 0 | 9999.99% | 0.00% |
| May 31, 2023 | Design Therapeutics, Inc. | $DSGN | George Simeon | Director | A | Stock Option (right to buy) | 15000 | $0.00 | 15,000.0000 | 0 | 9999.99% | 0.00% |