Cox John — CEO & President
Insider trading activity for Cox John sourced from SEC EDGAR Form 4 filings.
Overview
- Title: CEO & President
- Company: DDYN
- Total insider trades: 5
- Total buy volume: $0
- Total sell volume: $455K
- Last trade: Sep 8, 2026
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 8, 2026 | Cox John | DDYN DDYN | SELL | 5,658 | $107K |
| Sep 8, 2026 | Cox John | DDYN DDYN | SELL | 5,658 | $107K |
| Aug 13, 2026 | Cox John | DYN Dyne Therapeutics, Inc. | SELL | 4,986 | $131K |
| Jun 16, 2026 | Cox John | DYN Dyne Therapeutics, Inc. | SELL | 2,683 | $49K |
| May 13, 2026 | Cox John | DYN Dyne Therapeutics, Inc. | SELL | 3,311 | $61K |