Dirk Kersten - May 30, 2025 Form 4 Insider Report for Dyne Therapeutics, Inc. (DYN)

Role
Director
Signature
/s/ Ron Capongiro, Attorney-in-Fact
Stock symbol
DYN
Transactions as of
May 30, 2025
Transactions value $
$0
Form type
4
Date filed
6/3/2025, 09:38 PM
Previous filing
Dec 10, 2024

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kersten Dirk Director C/O DYNE THERAPEUTICS, INC., 1560 TRAPELO ROAD, WALTHAM /s/ Ron Capongiro, Attorney-in-Fact 2025-06-03 0001823682

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction DYN Stock option (right to buy) Award $0 +35K $0.00 35K May 30, 2025 Common Stock 35K $11.96 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This option was granted on May 30, 2025. The shares underlying the option are scheduled to vest in full on the earlier of (i) May 30, 2026 or (ii) the date of the Issuer's 2026 Annual Meeting of Stockholders, subject to continued service.

Remarks:

Exhibit Index: 24.1 Power of Attorney