Filing Details

Accession Number:
0000950170-24-097031
Form Type:
4
Zero Holdings:
No
Publication Time:
2024-08-14 16:15:05
Reporting Period:
2024-08-12
Accepted Time:
2024-08-14 16:15:05
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1818794 Dyne Therapeutics Inc. DYN Pharmaceutical Preparations (2834) 364883909
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1823682 Dirk Kersten C/O Dyne Therapeutics, Inc.
1560 Trapelo Road
Waltham MA 02451
No No No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Disposition 2024-08-12 26,416 $42.74 1,839,750 No 4 S Indirect See footnote
Common Stock Disposition 2024-08-12 52,076 $43.42 1,787,674 No 4 S Indirect See footnote
Common Stock Disposition 2024-08-13 24,378 $42.08 1,763,296 No 4 S Indirect See footnote
Common Stock Disposition 2024-08-13 88,179 $42.78 1,675,117 No 4 S Indirect See footnote
Common Stock Disposition 2024-08-13 21,428 $43.57 1,653,689 No 4 S Indirect See footnote
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Indirect See footnote
No 4 S Indirect See footnote
No 4 S Indirect See footnote
No 4 S Indirect See footnote
No 4 S Indirect See footnote
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 5,795,364 Indirect See footnote
Footnotes
  1. This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Forbion Capital Fund IV Cooperatief U.A. ("FCF IV") on April 9, 2024.
  2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $42.09 to $43.085, inclusive. The Reporting Person undertakes 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 range(s) set forth in the footnotes of this Form 4.
  3. The shares are held directly by FCF IV. Forbion IV Management B.V. ("Forbion Management"), the director of FCF IV, may be deemed to have voting and dispositive power over the shares held by FCF IV. Investment decisions with respect to the shares held by FCF IV can be made by FCPM III Services B.V., the director of Forbion Management, which may delegate such powers to its investment committee which may delegate such powers to the authorized representatives of Forbion Management. Messrs. Slootweg, van Osch, Mulder, van Houten, Reithinger and Boorsma (the "Partners") are partners of FCPM III Services B.V., which acts as the investment advisor to the directors of FCF IV. The Reporting Person is a partner of Forbion Management and a member of the investment committee of Forbion Management. The Reporting Person disclaims beneficial ownership of the shares, except to the extent of his pecuniary interest therein.
  4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $43.105 to $44.09, inclusive.
  5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $41.95 to $42.23, inclusive.
  6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $42.25 to $43.24, inclusive.
  7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $43.26 to $44.24, inclusive.
  8. The shares are held directly by ForDyne B.V. ("ForDyne"). ForDyne is jointly owned by FCF IV and Forbion Growth Opportunities Fund II Cooperatief U.A. ("FGO II"). Forbion Management may be deemed to have voting and dispositive power over 4,366,793 of the shares of common stock held by ForDyne. Investment decisions with respect to the shares held by ForDyne can be made by FCPM III Services B.V., the director of Forbion Management, which may delegate such powers to its investment committee which may delegate such powers to the authorized representatives of Forbion Management. The Partners are partners of FCPM III Services B.V., which acts as the investment advisor to the directors of ForDyne.
  9. (Continued from footnote 8) The Reporting Person is a partner of Forbion Management and a member of the investment committee of Forbion Management. Forbion Growth II Management B.V. ("FGO II Management"), the director of FGO II, may be deemed to have voting and dispositive power over 1,428,571 of the shares of common stock held by ForDyne. Investment decisions with respect to the shares held by ForDyne can be made by FCPM III Services B.V., the director of FGO II Management, which may delegate such powers to its investment committee which may delegate such powers to the authorized representatives of FGO II Management. The Partners are partners of FCPM III Services B.V., which acts as the investment advisor to the directors of ForDyne. The Reporting Person is a partner of FGO II Management and a member of the investment committee of FGO II Management. The Reporting Person disclaims beneficial ownership of the shares, except to the extent of his pecuniary interest therein.