GRAYZEL DAVID S.
Insider CIK 1732786 · QTTB Director · SURF Director · AVTE Director
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| QTTB Q32 Bio Inc. | A Award deriv | 2026-06-12 | 2026-07-21 | 10,826 | — | $0 | 10,826 | SEC↗ |
| QTTB Q32 Bio Inc. | A Award deriv | 2026-06-12 | 2026-06-16 | 9,810 | — | $0 | 9,810 | SEC↗ |
| QTTB Q32 Bio Inc. | A Award deriv | 2026-01-15 | 2026-01-30 | 16,363 | $2.75 | $45.0K | 16,363 | SEC↗ |
| QTTB Q32 Bio Inc. | A Award deriv | 2025-10-23 | 2025-10-27 | 53,521 | — | $0 | 53,521 | SEC↗ |
| QTTB Q32 Bio Inc. | A Award deriv | 2025-02-24 | 2025-02-26 | 2,569 | — | $0 | 2,569 | SEC↗ |
| QTTB Q32 Bio Inc. | A Award deriv | 2025-02-24 | 2025-02-26 | 18,595 | — | $0 | 18,595 | SEC↗ |
| QTTB Q32 Bio Inc. | A Award deriv | 2025-02-24 | 2025-02-26 | 12,767 | — | $0 | 12,767 | SEC↗ |
| QTTB Q32 Bio Inc. | D To issuer deriv | 2025-02-24 | 2025-02-26 | 12,767 | — | $0 | 0 | SEC↗ |
| QTTB Q32 Bio Inc. | D To issuer deriv | 2025-02-24 | 2025-02-26 | 18,595 | — | $0 | 0 | SEC↗ |
| QTTB Q32 Bio Inc. | D To issuer deriv | 2025-02-24 | 2025-02-26 | 2,569 | — | $0 | 0 | SEC↗ |
| QTTB Q32 Bio Inc. | A Award deriv | 2025-01-15 | 2025-02-26 | 18,595 | — | $0 | 18,595 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | A Award deriv | 2024-06-05 | 2024-06-07 | 12,500 | — | $0 | 12,500 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | S Sale | 2024-04-09 | 2024-04-11 | 11,882 | $28.15 | $334.5K | 14,502 | SEC↗ |
| QTTB Q32 Bio Inc. | A Award deriv | 2024-04-01 | 2024-08-14 | 2,569 | $13.42 | $34.5K | 2,569 | SEC↗ |
| QTTB Q32 Bio Inc. | A Award deriv | 2024-03-25 | 2024-03-27 | 12,767 | — | $0 | 12,767 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | A Award deriv | 2024-01-02 | 2024-01-04 | 3,186 | $13.49 | $43.0K | 3,186 | SEC↗ |
| SURF Surface Oncology, Inc. | D To issuer | 2023-09-08 | 2023-09-08 | 2,945,453 | — | $0 | 0 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | A Award deriv | 2023-06-06 | 2023-06-08 | 12,500 | — | $0 | 12,500 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | A Award deriv | 2023-01-03 | 2023-01-05 | 2,654 | $18.08 | $48.0K | 2,654 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | A Award deriv | 2022-06-21 | 2022-06-22 | 12,500 | — | $0 | 12,500 | SEC↗ |
| SURF Surface Oncology, Inc. | A Award deriv | 2022-06-08 | 2022-06-10 | 24,000 | — | $0 | 24,000 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | A Award deriv | 2022-01-03 | 2022-01-05 | 7,317 | $6.56 | $48.0K | 7,317 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | C Conversion deriv | 2021-07-02 | 2021-07-06 | 7,976,754 | — | $0 | 0 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | P Buy | 2021-07-02 | 2021-07-06 | 535,714 | $14.00 | $7.50M | 3,103,879 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | C Conversion | 2021-07-02 | 2021-07-06 | 2,568,165 | — | $0 | 2,568,165 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | A Award deriv | 2021-07-01 | 2021-07-06 | 2,153 | $11.15 | $24.0K | 2,153 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | A Award deriv | 2021-06-29 | 2021-07-01 | 25,000 | — | $0 | 25,000 | SEC↗ |
| SURF Surface Oncology, Inc. | A Award deriv | 2021-06-08 | 2021-06-10 | 17,700 | — | $0 | 17,700 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | A Award deriv | 2021-06-04 | 2021-07-01 | 6,102,052 | $1.89 | $11.53M | 7,976,754 | SEC↗ |
| AVTE Aerovate Therapeutics, Inc | A Award deriv | 2021-02-01 | 2021-07-01 | 878,981 | $1.89 | $1.66M | 1,874,702 | SEC↗ |
| SURF Surface Oncology, Inc. | S Sale | 2020-12-17 | 2020-12-21 | 1,700,000 | $18.10 | $30.77M | 2,945,453 | SEC↗ |
| SURF Surface Oncology, Inc. | S Sale | 2020-12-17 | 2020-12-21 | 1,700,000 | $8.10 | $13.77M | 2,945,453 | SEC↗ |
| SURF Surface Oncology, Inc. | A Award deriv | 2020-06-10 | 2020-06-12 | 12,000 | — | $0 | 12,000 | SEC↗ |
| SURF Surface Oncology, Inc. | A Award deriv | 2019-10-01 | 2019-10-03 | 14,965 | — | $0 | 14,965 | SEC↗ |
| SURF Surface Oncology, Inc. | A Award deriv | 2019-07-01 | 2019-07-02 | 6,280 | — | $0 | 6,280 | SEC↗ |
| SURF Surface Oncology, Inc. | A Award deriv | 2019-06-05 | 2019-06-06 | 12,100 | — | $0 | 12,100 | SEC↗ |
| SURF Surface Oncology, Inc. | C Conversion deriv | 2018-04-23 | 2018-04-23 | 7,000,000 | — | $0 | 0 | SEC↗ |
| SURF Surface Oncology, Inc. | P Buy | 2018-04-23 | 2018-04-23 | 100,000 | $15.00 | $1.50M | 4,645,453 | SEC↗ |
| SURF Surface Oncology, Inc. | C Conversion | 2018-04-23 | 2018-04-23 | 3,181,817 | — | $0 | 4,545,453 | SEC↗ |