Kerr Douglas
SEC insider (Form 3/4/5 filer). CIK 0001814189. Head of R&D and CMO at Dyne Therapeutics, Inc. (DYN). 16 reported Form 4/5 transactions since Sep 2024; latest on Oct 20, 2026. Located in WALTHAM, MA.
Companies Kerr Douglas has filed insider reports for
- Dyne Therapeutics, Inc. (DYN): Officer, Head of R&D and CMO
Kerr Douglas
CIK: 0001814189
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Dyne Therapeutics, Inc.
Discretionary Trading P&L
Holdings
Transaction History (16 total)
- Oct 20, 2026DYN
Dyne Therapeutics, Inc.
AwardDirect8K shares- - Sep 8, 2026DYN
Dyne Therapeutics, Inc.
SaleDirect1.3K shares at avg. $18.88$24K - Sep 4, 2026DYN
Dyne Therapeutics, Inc.
SaleDirect3.7K shares at avg. $24.35$91K - Aug 13, 2026DYN
Dyne Therapeutics, Inc.
SaleDirect1.6K shares at avg. $26.28$41K - Jun 16, 2026DYN
Dyne Therapeutics, Inc.
SaleDirect887 shares at avg. $18.33$16K - May 13, 2026DYN
Dyne Therapeutics, Inc.
SaleDirect1.6K shares at avg. $18.36$29K - Mar 5, 2026DYN
Dyne Therapeutics, Inc.
SaleDirect904 shares at avg. $14.90$13K - Feb 12, 2026DYN
Dyne Therapeutics, Inc.
AwardDirect85K shares- - Dec 5, 2025DYN
Dyne Therapeutics, Inc.
SaleDirect880 shares at avg. $20.72$18K - Sep 5, 2025DYN
Dyne Therapeutics, Inc.
SaleDirect873 shares at avg. $13.41$12K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 20, 2026 | DYN Dyne Therapeutics, Inc. | Award | 8,000 | - | $0 | Direct |
| Sep 8, 2026 | DYN Dyne Therapeutics, Inc. | Sale | 1,290 | $18.88 | $24,355 | Direct |
| Sep 4, 2026 | DYN Dyne Therapeutics, Inc. | Sale | 3,745 | $24.35 | $91,191 | Direct |
| Aug 13, 2026 | DYN Dyne Therapeutics, Inc. | Sale | 1,556 | $26.28 | $40,892 | Direct |
| Jun 16, 2026 | DYN Dyne Therapeutics, Inc. | Sale | 887 | $18.33 | $16,259 | Direct |
| May 13, 2026 | DYN Dyne Therapeutics, Inc. | Sale | 1,564 | $18.36 | $28,715 | Direct |
| Mar 5, 2026 | DYN Dyne Therapeutics, Inc. | Sale | 904 | $14.90 | $13,470 | Direct |
| Feb 12, 2026 | DYN Dyne Therapeutics, Inc. | Award | 85,000 | - | $0 | Direct |
| Dec 5, 2025 | DYN Dyne Therapeutics, Inc. | Sale | 880 | $20.72 | $18,234 | Direct |
| Sep 5, 2025 | DYN Dyne Therapeutics, Inc. | Sale | 873 | $13.41 | $11,707 | Direct |
1-10 of 16 transactions