Dyne Therapeutics, Inc. — Director's Dealing 2021

May 28, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Dyne Therapeutics, Inc. (DYN)
CIK: 0001818794
Period of Report: 2021-05-26

Reporting Person: HURWITZ EDWARD (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-26	Stock Option (right to buy)	$19.56	A	19596	Acquired	2031-05-25	Common Stock (19596)	Direct

Footnotes

F1: This option was granted on May 26, 2021. The shares underlying the option are scheduled to vest in full on the earlier of (i) May 26, 2022 or (ii) the date of the Issuer's 2022 Annual Meeting of Stockholders