Atlas Venture Fund XI, L.P. - Feb 26, 2024 Form 4 Insider Report for Dyne Therapeutics, Inc. (DYN)

Role
10%+ Owner
Signature
Atlas Venture Fund XI, LP, By: Atlas Venture Associates XI, L.P., its general partner, By: Atlas Venture Associates XI, LLC, its general partner, By: /s/ Ommer Chohan, Chief Financial Officer
Stock symbol
DYN
Transactions as of
Feb 26, 2024
Transactions value $
-$19,626,903
Form type
4
Date filed
2/28/2024, 07:13 PM
Previous filing
Feb 23, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DYN Common Stock Sale -$3.22M -136K -2.15% $23.59 6.22M Feb 26, 2024 Direct F1, F2, F3
transaction DYN Common Stock Sale -$1.55M -64.8K -1.04% $23.98 6.15M Feb 26, 2024 Direct F1, F3, F4
transaction DYN Common Stock Sale -$477K -20.2K -1.27% $23.59 1.56M Feb 26, 2024 See footnote F2, F5, F6
transaction DYN Common Stock Sale -$230K -9.6K -0.61% $23.98 1.56M Feb 26, 2024 See footnote F4, F5, F6
transaction DYN Common Stock Sale -$277K -11.7K -1.27% $23.59 909K Feb 26, 2024 See footnote F2, F7, F8
transaction DYN Common Stock Sale -$134K -5.58K -0.61% $23.98 904K Feb 26, 2024 See footnote F4, F7, F8
transaction DYN Common Stock Sale -$6.65M -273K -4.44% $24.38 5.88M Feb 27, 2024 Direct F1, F3, F9
transaction DYN Common Stock Sale -$636K -25.8K -0.44% $24.68 5.85M Feb 27, 2024 Direct F1, F3, F10
transaction DYN Common Stock Sale -$986K -40.5K -2.6% $24.38 1.51M Feb 27, 2024 See footnote F5, F6, F9
transaction DYN Common Stock Sale -$94.3K -3.82K -0.25% $24.68 1.51M Feb 27, 2024 See footnote F5, F6, F10
transaction DYN Common Stock Sale -$573K -23.5K -2.6% $24.38 880K Feb 27, 2024 See footnote F7, F8, F9
transaction DYN Common Stock Sale -$54.7K -2.22K -0.25% $24.68 878K Feb 27, 2024 See footnote F7, F8, F10
transaction DYN Common Stock Sale -$3.78M -152K -2.6% $24.83 5.7M Feb 28, 2024 Direct F1, F3, F11
transaction DYN Common Stock Sale -$61.4K -2.43K -0.04% $25.25 5.7M Feb 28, 2024 Direct F1, F3, F12
transaction DYN Common Stock Sale -$560K -22.6K -1.49% $24.83 1.49M Feb 28, 2024 See footnote F5, F6, F11
transaction DYN Common Stock Sale -$9.09K -360 -0.02% $25.25 1.49M Feb 28, 2024 See footnote F5, F6, F12
transaction DYN Common Stock Sale -$325K -13.1K -1.49% $24.83 865K Feb 28, 2024 See footnote F7, F8, F11
transaction DYN Common Stock Sale -$5.3K -210 -0.02% $25.25 864K Feb 28, 2024 See footnote F7, F8, F12
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund XI, L.P. on January 10, 2024.
F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.83 to $23.82 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 shares sold at each separate price within the ranges set forth in footnotes (2), (4), (9), (10), (11) and (12).
F3 The shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas Venture Fund XI"). The general partner of Atlas Venture Fund XI is Atlas Venture Associates XI, L.P. ("AVA XI LP"). Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. Each of AVA XI LP and AVA XI LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund XI, except to the extent of its pecuniary interest therein, if any.
F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.83 to $24.04 inclusive.
F5 This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Opportunity Fund I, L.P. on January 10, 2024.
F6 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. Each of AVAO I LP and AVAO I LLC disclaims Section 16 beneficial ownership of the securities held by AVOF I, except to the extent of its pecuniary interest therein, if any.
F7 This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Opportunity Fund II, L.P. on January 10, 2024.
F8 The shares are owned directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("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. Each of AVAO II LP and AVAO II LLC disclaims Section 16 beneficial ownership of the securities held by AVOF II, except to the extent of its pecuniary interest therein, if any.
F9 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.62 to $24.615 inclusive.
F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.62 to $24.76 inclusive.
F11 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.25 to $25.235 inclusive.
F12 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.25 to $25.255 inclusive.