Ronald Harold Wilfred Cooper
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.
Award(A)DirectStock Option (Right to Buy)
62K shares- - Feb 9, 2026GBIO
Generation Bio Co.
Tender Offer(U)Direct950 shares- - Feb 9, 2026GBIO
Generation Bio Co.
Disposition(D)DirectStock Option (right to buy)
3K shares- - Feb 9, 2026GBIO
Generation Bio Co.
Disposition(D)DirectStock Option (right to buy)
3K shares- - Feb 9, 2026GBIO
Generation Bio Co.
Disposition(D)DirectStock Option (right to buy)
1.9K shares- - Feb 9, 2026GBIO
Generation Bio Co.
Disposition(D)DirectStock Option (right to buy)
2.5K shares- - Feb 9, 2026GBIO
Generation Bio Co.
Disposition(D)DirectStock Option (right to buy)
6K shares- - Jan 30, 2026ENGN
enGene Holdings Inc.
Award(A)DirectStock Option (Right to Buy)
801K shares- - Jun 18, 2025CCCC
C4 Therapeutics, Inc.
Award(A)DirectStock Option (Right to Buy)
35.5K shares- - Jun 4, 2025GBIO
Generation Bio Co.
Award(A)DirectStock Option (right to buy)
30K shares- - Jan 29, 2025ENGN
enGene Holdings Inc.
Award(A)DirectStock Option (Right to Buy)
850K shares- - Sep 27, 2024ENGN
enGene Holdings Inc.
Purchase(P)Direct10K shares at avg. $5.70$57K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 24, 2026 |  CCCC C4 Therapeutics, Inc. | Award(A) Stock Option (Right to Buy) | 62,000 | - | - | Direct |
| Feb 9, 2026 |  GBIO Generation Bio Co. | Tender Offer(U) | 950 | - | $0 | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition(D) Stock Option (right to buy) | 3,000 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition(D) Stock Option (right to buy) | 3,000 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition(D) Stock Option (right to buy) | 1,920 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition(D) Stock Option (right to buy) | 2,500 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition(D) Stock Option (right to buy) | 6,000 | - | - | Direct |
| Jan 30, 2026 |  ENGN enGene Holdings Inc. | Award(A) Stock Option (Right to Buy) | 801,000 | - | - | Direct |
| Jun 18, 2025 | CCCC C4 Therapeutics, Inc. | Award(A) Stock Option (Right to Buy) | 35,500 | - | - | Direct |
| Jun 4, 2025 | GBIO Generation Bio Co. | Award(A) Stock Option (right to buy) | 30,000 | - | - | Direct |
| Jan 29, 2025 | ENGN enGene Holdings Inc. | Award(A) Stock Option (Right to Buy) | 850,000 | - | - | Direct |
| Sep 27, 2024 | ENGN enGene Holdings Inc. | Purchase(P) | 10,000 | $5.70 | $57,000 | Direct |
1-12 of 12 transactions
About Cooper Ronald Harold Wilfred
Cooper Ronald Harold Wilfred (SEC CIK 0001676880) files insider reports with the SEC as Director of C4 Therapeutics, Inc. (CCCC), Director of Generation Bio Co. (GBIO) and CEO & President of enGene Holdings Inc. (ENGN).
Signal8 holds 7 ownership filings by Cooper Ronald Harold Wilfred, all Form 4s, filed between Oct 1, 2024 and Jun 26, 2026. Those filings report 12 transactions, from Sep 27, 2024 to Jun 24, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Cooper Ronald Harold Wilfred's filings is in WATERTOWN, MA.
Recent filings by Cooper Ronald Harold Wilfred
- Jun 24, 2026: Grant or award of CCCC derivative securities (Form 4, code A).
- Feb 9, 2026: Tender of shares transaction of GBIO shares (Form 4, code U).
- Feb 9, 2026: Disposition to issuer transactions of GBIO derivative securities (5 lines, Form 4, code D).
- Jan 30, 2026: Grant or award of ENGN derivative securities (Form 4, code A).
- Jun 18, 2025: Grant or award of CCCC derivative securities (Form 4, code A).
Other insiders filing for C4 Therapeutics, Inc. (CCCC)
- Anderson Kenneth Carl, Director
- GROGAN DONNA ROY, Director
- Adams Kendra, Chief Financial Officer
- REYNO LEONARD, Chief Medical Officer
- Hughes Owen, Director
- Hoerter Steven L., Director