Cooper Ronald Harold Wilfred
SEC insider (Form 3/4/5 filer). CIK 0001676880. Director at C4 Therapeutics, Inc. (CCCC) and 2 other issuers. 12 reported Form 4/5 transactions since Sep 2024; latest on Jun 24, 2026. Located in WATERTOWN, MA.
Companies Cooper Ronald Harold Wilfred has filed insider reports for
- C4 Therapeutics, Inc. (CCCC): Director
- Generation Bio Co. (GBIO): Director
- enGene Holdings Inc. (ENGN): Director, Officer, CEO & President
Cooper Ronald Harold Wilfred
CIK: 0001676880
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 (12 total)
- Jun 24, 2026CCCC
C4 Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
62K shares- - Feb 9, 2026GBIO
Generation Bio Co.
Tender OfferDirect950 shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
3K shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
3K shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
1.9K shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
2.5K shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
6K shares- - Jan 30, 2026ENGN
enGene Holdings Inc.
AwardDirectStock Option (Right to Buy)
801K shares- - Jun 18, 2025CCCC
C4 Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
35.5K shares- - Jun 4, 2025GBIO
Generation Bio Co.
AwardDirectStock Option (right to buy)
30K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 24, 2026 |  CCCC C4 Therapeutics, Inc. | Award Stock Option (Right to Buy) | 62,000 | - | - | Direct |
| Feb 9, 2026 |  GBIO Generation Bio Co. | Tender Offer | 950 | - | $0 | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition Stock Option (right to buy) | 3,000 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition Stock Option (right to buy) | 3,000 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition Stock Option (right to buy) | 1,920 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition Stock Option (right to buy) | 2,500 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition Stock Option (right to buy) | 6,000 | - | - | Direct |
| Jan 30, 2026 |  ENGN enGene Holdings Inc. | Award Stock Option (Right to Buy) | 801,000 | - | - | Direct |
| Jun 18, 2025 | CCCC C4 Therapeutics, Inc. | Award Stock Option (Right to Buy) | 35,500 | - | - | Direct |
| Jun 4, 2025 | GBIO Generation Bio Co. | Award Stock Option (right to buy) | 30,000 | - | - | Direct |
1-10 of 12 transactions