Atlas Venture Fund XI, L.P. - 30 Sep 2025 SCHEDULE 13G/A Report for DYNE THERAPEUTICS, INC. COMMON STOCK, $0.0001 PAR VALUE (DYN)

Filing Manager
Atlas Venture Fund XI, L.P.
Reporting Manager
Atlas Venture Associates XI, L.P.
Security
DYNE THERAPEUTICS, INC. COMMON STOCK, $0.0001 PAR VALUE
Symbol
DYN
Shares outstanding
142,836,750 shares
Disclosed Ownership
5,713,470 shares
Ownership
4%
Form type
SCHEDULE 13G/A
Filing time
13 Nov 2025, 16:23:17 UTC
Date of event
30 Sep 2025
SEC
View on sec.gov

Reporting Managers (9)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Atlas Venture Fund XI, L.P. 4% 5,697,508 0 5,697,508 /s/ Ommer Chohan By: Atlas Venture Associates XI, L.P., its general partner, By: Atlas Venture Associates XI, LLC, its general partner, By: Ommer Chohan, its CFO
Atlas Venture Associates XI, L.P. 4% 5,713,470 0 5,713,470 /s/ Ommer Chohan By: Atlas Venture Associates XI, LLC, its general partner, By: Ommer Chohan, its CFO
Atlas Venture Associates XI, LLC 4% 5,713,470 0 5,713,470 /s/ Ommer Chohan Ommer Chohan, its CFO
Atlas Venture Opportunity Fund I, L.P. 1% 1,458,568 0 1,458,568 /s/ Ommer Chohan By: Atlas Venture Associates Opportunity I L.P., its GP, By: Atlas Venture Associates Opportunity I LLC, its GP, By: Ommer Chohan, its CFO
Atlas Venture Associates Opportunity I, L.P. 1% 1,458,568 0 1,458,568 /s/ Ommer Chohan By: Atlas Venture Associates Opportunity I LLC, its GP, By: Ommer Chohan, its CFO
Atlas Venture Associates Opportunity I, LLC 1% 1,458,568 0 1,458,568 /s/ Ommer Chohan Ommer Chohan, its CFO
Atlas Venture Opportunity Fund II, L.P. 1.4% 1,958,427 0 1,958,427 /s/ Ommer Chohan By: Atlas Venture Associates Opportunity II L.P., its GP, By: Atlas Venture Associates Opportunity II LLC, its GP, By: Ommer Chohan, its CFO
Atlas Venture Associates Opportunity II, LP 1.4% 1,958,427 0 1,958,427 /s/ Ommer Chohan By: Atlas Venture Associates Opportunity II LLC, its GP, By: Ommer Chohan, its CFO
Atlas Venture Associates Opportunity II, LLC 1.4% 1,958,427 0 1,958,427 /s/ Ommer Chohan Ommer Chohan, its CFO