InsiderTrades

Kerr Douglas

SEC CIK 1814189 · EDGAR

Buying vs selling by month open-market trades, last 24 months, DYN
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
DYNDyne Therapeutics, Inc.Chief Medical Off 162.6K — $325.8K 122024-09-032026-09-04

Most active insiders at DYN, 12 months

#InsiderTitleBoughtSold
1 Rhodes Jason PDir —$129.10M
2 Kersten DirkDir —$38.57M
3 Cox JohnCEO, Pres, Dir —$443.7K
4 Posner Brian SDir $274.8K—
5 Kerr DouglasChief Medical Off —$233.1K
6 Lucera ErickCFO —$228.7K
7 Friedl-Naderer JohannaChief Commercial Off —$43.4K
8 Lubner David CharlesDir ——

Transactions 12

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
MT 2026-09-08 16:14 2026-09-04+ DYN Dyne Therapeutics, Inc. Kerr Douglas Chief Medical Off S - Sale $22.95 -5,035 162.6K -3% -$115.5K
T 2026-08-17 16:08 2026-08-13 DYN Dyne Therapeutics, Inc. Kerr Douglas Chief Medical Off S - Sale $26.28 -1,556 167.6K -0.9% -$40.9K
T 2026-06-17 16:08 2026-06-16 DYN Dyne Therapeutics, Inc. Kerr Douglas Chief Medical Off S - Sale $18.33 -887 169.2K -0.5% -$16.3K
T 2026-05-14 16:04 2026-05-13 DYN Dyne Therapeutics, Inc. Kerr Douglas Chief Medical Off S - Sale $18.36 -1,564 170.0K -0.9% -$28.7K
T 2026-03-06 2026-03-05 DYN Dyne Therapeutics, Inc. Kerr Douglas Chief Medical Off S - Sale $14.90 -904 171.6K -0.5% -$13.5K
D 2026-02-17 2026-02-12 DYN Dyne Therapeutics, Inc. Kerr Douglas Chief Medical Off A - Grant $0.00 +85.0K 172.5K +97% $0
T 2025-12-05 2025-12-05 DYN Dyne Therapeutics, Inc. Kerr Douglas Chief Medical Off S - Sale $20.72 -880 87.5K -1.0% -$18.2K
MT 2025-09-08 2025-09-04+ DYN Dyne Therapeutics, Inc. Kerr Douglas Chief Medical Off S - Sale $13.30 -4,425 88.4K -5% -$58.8K
T 2025-06-06 2025-06-05 DYN Dyne Therapeutics, Inc. Kerr Douglas Chief Medical Off S - Sale $13.35 -1,342 92.8K -1% -$17.9K
T 2025-03-07 2025-03-05 DYN Dyne Therapeutics, Inc. Kerr Douglas Chief Medical Off S - Sale $11.83 -1,343 94.2K -1% -$15.9K
D 2024-12-06 2024-12-04 DYN Dyne Therapeutics, Inc. Kerr Douglas Chief Medical Off A - Grant $0.00 +48.0K 95.5K +101% $0
D 2024-09-03 2024-09-03 DYN Dyne Therapeutics, Inc. Kerr Douglas Chief Medical Off A - Grant $0.00 +47.5K 47.5K New $0

Purchase Sale Sale after option exercise All abbreviations