Rhodes Jason P sold DYN

August 13, 2026 · Form 4 insider transaction

Rhodes Jason P sold 63,643 shares of Dyne Therapeutics, Inc. at $26.20 per share, a transaction worth $1.67M. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction
Disposed (sell-side)
Shares
63,643
Price
$26.20
Total value
$1.67M
RoleDirector
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateAugust 13, 2026
Filing dateAugust 17, 2026
Shares owned after751,411
OwnershipIndirect
10b5-1 planYes
AmendedNo

Footnotes

Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on July 13, 2026.; The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $25.8788 to $26.48 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities sold at each separate price within the ranges set forth in footnotes (2) and (6).; The shares are held directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF I"). The general partner of AVOF I is Atlas Venture Associates Opportunity I, L.P. ("AVAO I LP"). Atlas Venture Associates Opportunity I, LLC ("AVAO I LLC") is the general partner of AVAO I LP. The Reporting Person is a member of AVAO I LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF I, except to the extent of his pecuniary interest therein, if any.

View the original Form 4 on SEC EDGAR