PARKER MARK S (CIK 1915363) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-11). Recent activity: Sell HYFM (740 shares), Sell HYFM (1,672 shares), Sell HYFM (370 shares), Sell HYFM (771 shares), Sell HYFM (1,380 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-11 | HYDROFARM HOLDINGS GROUP, INC. (HYFM) | President | Sell | 740 | $1,184 |
| 2026-01-08 | HYDROFARM HOLDINGS GROUP, INC. (HYFM) | President | Sell | 1,672 | $2,525 |
| 2025-08-20 | HYDROFARM HOLDINGS GROUP, INC. (HYFM) | President | Sell | 370 | $1,669 |
| 2025-08-13 | HYDROFARM HOLDINGS GROUP, INC. (HYFM) | President | Sell | 771 | $3,462 |
| 2025-04-10 | HYDROFARM HOLDINGS GROUP, INC. (HYFM) | President | Sell | 1,380 | $2,456 |
来源：SEC Form 4 申报文件 · 截至 2026-08-11