GRAYZEL DAVID S. has filed 14 insider transactions across 2 companies since January 2024.
Most recent transaction: a grant/award of 16363 shares of Q32 Bio Inc. ($QTTB) on January 15, 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 15, 2026 | Q32 Bio Inc. | $QTTB | GRAYZEL DAVID S. | Not found | A | Stock Option (Right to Buy) | 16363 | $2.75 | 16,363.0000 | 12,304,352 | 9999.99% | 0.13% |
| Oct. 23, 2025 | Q32 Bio Inc. | $QTTB | GRAYZEL DAVID S. | Not found | A | Stock Option (Right to Buy) | 53521 | $0.00 | 53,521.0000 | 12,197,615 | 9999.99% | 0.44% |
| Feb. 24, 2025 | Q32 Bio Inc. | $QTTB | GRAYZEL DAVID S. | Not found | A | Stock Option (Right to Buy) | 12767 | $0.00 | 12,767.0000 | 0 | 9999.99% | 0.00% |
| Feb. 24, 2025 | Q32 Bio Inc. | $QTTB | GRAYZEL DAVID S. | Not found | D | Stock Option (Right to Buy) | 2569 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 24, 2025 | Q32 Bio Inc. | $QTTB | GRAYZEL DAVID S. | Not found | A | Stock Option (Right to Buy) | 2569 | $0.00 | 2,569.0000 | 0 | 9999.99% | 0.00% |
| Jan. 15, 2025 | Q32 Bio Inc. | $QTTB | GRAYZEL DAVID S. | Not found | A | Stock Option (Right to Buy) | 18595 | $0.00 | 18,595.0000 | 0 | 9999.99% | 0.00% |
| Feb. 24, 2025 | Q32 Bio Inc. | $QTTB | GRAYZEL DAVID S. | Not found | D | Stock Option (Right to Buy) | 12767 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 24, 2025 | Q32 Bio Inc. | $QTTB | GRAYZEL DAVID S. | Not found | D | Stock Option (Right to Buy) | 18595 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 24, 2025 | Q32 Bio Inc. | $QTTB | GRAYZEL DAVID S. | Not found | A | Stock Option (Right to Buy) | 18595 | $0.00 | 18,595.0000 | 0 | 9999.99% | 0.00% |
| April 1, 2024 | Q32 Bio Inc. | $QTTB | GRAYZEL DAVID S. | Not found | A | Stock Option (Right to Buy) | 2569 | $13.42 | 2,569.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | Jade Biosciences, Inc. | $JBIO | GRAYZEL DAVID S. | Not found | A | Stock Option (Right to Buy) | 12500 | $0.00 | 12,500.0000 | 0 | 9999.99% | 0.00% |
| April 9, 2024 | Jade Biosciences, Inc. | $JBIO | GRAYZEL DAVID S. | Not found | S | Common Stock | 11882 | $28.15 | 1,799,232.0000 | 0 | 0.66% | 0.00% |
| March 25, 2024 | Q32 Bio Inc. | $QTTB | GRAYZEL DAVID S. | Not found | A | Stock Option (Right to Buy) | 12767 | $0.00 | 12,767.0000 | 0 | 9999.99% | 0.00% |
| Jan. 2, 2024 | Jade Biosciences, Inc. | $JBIO | GRAYZEL DAVID S. | Not found | A | Stock Option (Right to Buy) | 3186 | $13.49 | 3,186.0000 | 0 | 9999.99% | 0.00% |