DYN insider buying
Every open-market purchase of Dyne Therapeutics, Inc. (DYN) stock by its officers, directors and major shareholders, from SEC Form 4 filings.
Bought, last 12 months$314.84K
Insiders buying (12m)1
Purchases on record8
Last purchase filedOct 6, 2026
In the last 12 months, 1 insider of Dyne Therapeutics, Inc. bought $314.84K of DYN stock on the open market in 8 reported purchases. The most recent was filed on Oct 6, 2026: Posner Brian S (Director) bought 2,500 shares at $16.00, worth $40K. The largest purchase on record here is $45.18K by Posner Brian S on Mar 6, 2026.
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| Filed | Insider | Value | Shares | Price | Stake | Trade | |
|---|---|---|---|---|---|---|---|
| Oct 6 | Posner Brian SDirector | $40K | 2,500 | $16.00 | +10% | Oct 2 | SEC |
| Jun 9 | Posner Brian SDirector | $33.88K | 2,000 | $16.94 | +9% | Jun 8 | SEC |
| Jun 5 | Posner Brian SDirector | $43.70K | 2,500 | $17.48 | +12% | Jun 3 | SEC |
| May 28 | Posner Brian SDirector | $36.42K | 2,000 | $18.21 | +11% | May 26 | SEC |
| May 22 | Posner Brian SDirector | $42.80K | 2,500 | $17.12 | +16% | May 20 | SEC |
| Apr 1 | Posner Brian SDirector | $34.16K | 2,000 | $17.08 | +15% | Mar 30 | SEC |
| Mar 13 | Posner Brian SDirector | $38.70K | 2,000 | $19.35 | +17% | Mar 11 | SEC |
| Mar 10 | Posner Brian SDirector | $45.18K | 3,000 | $15.06 | +35% | Mar 6 | SEC |