3 insiders reported 4 Form 4 transactions for Cyclerion Therapeutics, Inc. (CYCN) over the past 18 months (most recent 2026-08-18). Recent activity: CHICKO RHONDA M. (Chief Financial Officer) Buy 25,000 shares, Graul Regina Margaret (President and Chief Executive Officer) Buy 55,849 shares, Graul Regina Margaret (President and Chief Executive Officer) Sell 48,629 shares, Hecht Peter M (Director) Buy 351,037 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | CHICKO RHONDA M. | Chief Financial Officer | Buy | 25,000 | $58,875 |
| 2026-08-18 | Graul Regina Margaret | President and Chief Executive Officer | Buy | 55,849 | $184,302 |
| 2026-08-18 | Graul Regina Margaret | President and Chief Executive Officer | Sell | 48,629 | $184,304 |
| 2026-07-20 | Hecht Peter M | Director | Buy | 351,037 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-08-18