Filing Details

Accession Number:
0001209191-21-057325
Form Type:
4
Zero Holdings:
No
Publication Time:
2021-09-22 20:02:57
Reporting Period:
2021-09-20
Accepted Time:
2021-09-22 20:02:57
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
1824673 Jonathan Mcneill C/O Dyne Therapeutics, Inc.
830 Winter Street
Waltham MA 02451
See Remarks No Yes 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 2021-09-20 545 $15.61 36,365 No 4 S Direct
Common Stock Disposition 2021-09-21 729 $16.11 35,636 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
No 4 S Direct
Footnotes
  1. Represents shares automatically sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting of restricted stock units granted to the Reporting Person on September 17, 2020. The automatic sale of the Reporting Person's shares is provided for in a restricted stock unit agreement constituting a "binding contract" consistent with the affirmative defense to liability under Rule 10b5-1 and the sale does not represent a discretionary trade by the Reporting Person.
  2. The price reported in Column 4 is a weighted average price that represents the price of all shares sold by a broker on September 20, 2021 on behalf of a group of employees of the issuer to satisfy tax withholding obligations. These shares were sold in multiple transactions at prices within the range of $15.22 to $16.01, 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 footnote (2) and (4) of this Form 4.
  3. Includes 12,759 unvested RSUs.
  4. The price reported in Column 4 is a weighted average price that represents the price of all shares sold by a broker on September 21, 2021 on behalf of a group of employees of the issuer to satisfy tax withholding obligations. These shares were sold in multiple transactions at prices within the range of $15.87 to $16.36, inclusive.