Grossman William
SEC insider (Form 3/4/5 filer). CIK 0001730229. Interim Chief Medical Officer at enGene Therapeutics Inc. (ENGN) and 1 other issuer. 14 reported Form 4/5 transactions since Sep 2024; latest on Sep 22, 2026. Located in SAINT-LAURENT.
Companies Grossman William has filed insider reports for
- enGene Therapeutics Inc. (ENGN): Director, Officer, Interim Chief Medical Officer
- Day One Biopharmaceuticals, Inc. (DAWN): Director
Grossman William
CIK: 0001730229
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (14 total)
- Sep 22, 2026ENGN
enGene Therapeutics Inc.
PurchaseDirect5.1K shares at avg. $1.97$10K - Jun 16, 2026ENGN
enGene Therapeutics Inc.
AwardDirectStock Option (Right to Buy)
200K shares- - Jun 16, 2026ENGN
enGene Therapeutics Inc.
AwardDirectStock Option (Right to Buy)
31K shares- - Apr 23, 2026DAWN
Day One Biopharmaceuticals, Inc.
DispositionDirectStock Option (right to buy Common Stock)
32.3K shares- - Apr 23, 2026DAWN
Day One Biopharmaceuticals, Inc.
DispositionDirectStock Option (right to buy Common Stock)
22.5K shares- - Apr 23, 2026DAWN
Day One Biopharmaceuticals, Inc.
DispositionDirectRestricted Stock Unit (RSU)
15K shares- - Apr 23, 2026DAWN
Day One Biopharmaceuticals, Inc.
DispositionDirectStock Option (right to buy Common Stock)
66.7K shares- - Nov 6, 2025DAWN
Day One Biopharmaceuticals, Inc.
DispositionDirectStock Option (right to buy Common Stock)
32.3K shares- - Nov 6, 2025DAWN
Day One Biopharmaceuticals, Inc.
DispositionDirectStock Option (right to buy Common Stock)
66.7K shares- - Nov 6, 2025DAWN
Day One Biopharmaceuticals, Inc.
AwardDirectStock Option (right to buy Common Stock)
66.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 22, 2026 |  ENGN enGene Therapeutics Inc. | Purchase | 5,102 | $1.97 | $10,051 | Direct |
| Jun 16, 2026 | ENGN enGene Therapeutics Inc. | Award Stock Option (Right to Buy) | 200,000 | - | - | Direct |
| Jun 16, 2026 | ENGN enGene Therapeutics Inc. | Award Stock Option (Right to Buy) | 31,000 | - | - | Direct |
| Apr 23, 2026 |  DAWN Day One Biopharmaceuticals, Inc. | Disposition Stock Option (right to buy Common Stock) | 32,335 | - | - | Direct |
| Apr 23, 2026 | DAWN Day One Biopharmaceuticals, Inc. | Disposition Stock Option (right to buy Common Stock) | 22,500 | - | - | Direct |
| Apr 23, 2026 | DAWN Day One Biopharmaceuticals, Inc. | Disposition Restricted Stock Unit (RSU) | 15,000 | - | - | Direct |
| Apr 23, 2026 | DAWN Day One Biopharmaceuticals, Inc. | Disposition Stock Option (right to buy Common Stock) | 66,660 | - | - | Direct |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | Disposition Stock Option (right to buy Common Stock) | 32,335 | - | - | Direct |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | Disposition Stock Option (right to buy Common Stock) | 66,660 | - | - | Direct |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | Award Stock Option (right to buy Common Stock) | 66,660 | - | - | Direct |
1-10 of 14 transactions