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$DYN All transactions

Dyne Therapeutics, Inc.

▼ SELL 10b5-1 Plan

$ Value

$3K

Shares

144

Price

$21

Filed

Dec 5

Insider

Name

Friedl-Naderer Johanna

Title

Chief Commercial Officer

CIK

0001915598

Roles

Officer

Transaction Details

Transaction Date

2025-12-05

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

94,729

Footnotes

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 December 4, 2024. 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. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $20.58 to $20.96, 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 set forth in this footnote of this Form 4. | Includes 72,152 unvested RSUs.

Filing Info

Accession No.

0001193125-25-309636

Form Type

4

Issuer CIK

0001818794

Friedl-Naderer Johanna's History

Date Ticker Type Value
2025-12-05 DYN $3K
2025-09-05 DYN $2K
2025-09-04 DYN $12K
2025-07-16 DYN A $0
2025-06-05 DYN $2K

Other Insiders at DYN (90d)

Insider Bought Sold Last
Posner Brian S $34K 2026-03-30
Rhodes Jason P $16.5M 2026-04-22
Lucera Erick
Chief Financial Officer
$107K 2026-04-01
Kersten Dirk $9.1M 2026-04-22