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$DYN All transactions

Dyne Therapeutics, Inc.

▲ BUY
5 / 10

Conviction

$ Value

$34K

Shares

2,000

Price

$17

Filed

Apr 1

Why this score? (5/10)
  • Open market buy (+3)
  • Director (+1)
  • Not a 10b5-1 plan (+1)

Insider

Name

Posner Brian S

Title

CIK

0001372455

Roles

Director

Transaction Details

Transaction Date

2026-03-30

Code

P

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

15,500

Footnotes

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices within the range of $17.06 to $17.10, 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.

Filing Info

Accession No.

0001193125-26-137998

Form Type

4

Issuer CIK

0001818794

Posner Brian S's History

Date Ticker Type Value
2026-03-30 DYN $34K
2025-10-01 DYN A $0
2025-08-01 ACGL $17K
2025-05-07 ACGL A

Other Insiders at DYN (90d)

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