Dyne Therapeutics, Inc. (DYN) Insider Trading

Dyne Therapeutics, Inc. (DYN) has 16 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 15 sales totalling $113.8M. Most recent filing: Sept. 8, 2026.

Filings
16
Purchases
0
$0
Sales
15
$113.8M
Insiders
7

Most active DYN insiders

Rhodes Jason P
Director
0 bought · 4 sold · Aug. 17, 2026
$99.4M
Kersten Dirk
Director
0 bought · 3 sold · July 29, 2026
$13.8M
Cox John
CEO & President
0 bought · 2 sold · Sept. 8, 2026
$238K
Kerr Douglas
Chief Medical Officer
0 bought · 2 sold · Sept. 8, 2026
$156K
Lucera Erick
Chief Financial Officer
0 bought · 2 sold · Aug. 17, 2026
$95K
Friedl-Naderer Johanna
Chief Commercial Officer
0 bought · 2 sold · Sept. 8, 2026
$31K
Greene Barry E
Director
0 bought · 0 sold · June 23, 2026
$0

Latest DYN Form 4 filings

Date Insider Value Shares Stake Pre-planned Links
Sept. 8, 2026 filed Sept. 4, 2026 Friedl-Naderer Johanna Chief Commercial Officer −$25,408 1,085 −1% Yes
Sept. 8, 2026 Cox John CEO & President −$106,823 5,658 −2% Yes
Sept. 8, 2026 filed Sept. 4, 2026 Kerr Douglas Chief Medical Officer −$115,546 5,035 −3% Yes
Aug. 17, 2026 filed Aug. 13, 2026 Rhodes Jason P Director −$65,184,894 2,586,928 −86% Yes
Aug. 17, 2026 filed Aug. 13, 2026 Friedl-Naderer Johanna Chief Commercial Officer −$5,939 226 −0% Yes

Showing the 5 most recent of 16 filings in the last 90 days.

About this data

Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.

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