Rhodes Jason P sold DYN

August 14, 2026 · Form 4 insider transaction

Rhodes Jason P sold 478,377 shares of Dyne Therapeutics, Inc. at $25.00 per share, a transaction worth $11.96M. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 3 days after the transaction.

Direction
Disposed (sell-side)
Shares
478,377
Price
$25.00
Total value
$11.96M
RoleDirector
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateAugust 14, 2026
Filing dateAugust 17, 2026
Shares owned after567,358
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 $25.00 to $25.8916 inclusive.; The shares are owned directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, LP ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF II, except to the extent of his pecuniary interest therein, if any.

View the original Form 4 on SEC EDGAR