10 insiders reported 35 Form 4 transactions for HYDROFARM HOLDINGS GROUP, INC. (HYFM) over the past 18 months (most recent 2026-08-11). Recent activity: PARKER MARK S (President) Sell 740 shares, Ackerman Erica (CAO and Corporate Controller) Sell 138 shares, Denis Melisa (Director) Buy 30,000 shares, Chung Patrick (Director) Buy 30,000 shares, Persofsky Renah (Director) Buy 30,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-11 | PARKER MARK S | President | Sell | 740 | $1,184 |
| 2026-08-11 | Ackerman Erica | CAO and Corporate Controller | Sell | 138 | $221 |
| 2026-06-25 | Denis Melisa | Director | Buy | 30,000 | $0 |
| 2026-06-25 | Chung Patrick | Director | Buy | 30,000 | $0 |
| 2026-06-25 | Persofsky Renah | Director | Buy | 30,000 | $0 |
| 2026-06-25 | Yetter Richard Christopher | Director | Buy | 30,000 | $0 |
| 2026-01-08 | Toler William Douglas | Chief Executive Officer | Sell | 5,189 | $7,835 |
| 2026-01-08 | Ackerman Erica | CAO and Corporate Controller | Sell | 687 | $1,037 |
| 2026-01-08 | PARKER MARK S | President | Sell | 1,672 | $2,525 |
| 2026-01-08 | O'Brien Kevin Patrick | Chief Financial Officer | Sell | 1,150 | $1,736 |
| 2025-12-08 | Denis Melisa | Director | Sell | 2,875 | $5,405 |
| 2025-12-08 | Denis Melisa | Director | Sell | 120 | $230 |
| 2025-10-02 | Yetter Richard Christopher | Director | Buy | 20,000 | $0 |
| 2025-08-20 | Toler William Douglas | Director | Sell | 445 | $2,007 |
| 2025-08-20 | Lindeman Bruce John | Chief Executive Officer | Sell | 496 | $2,237 |
| 2025-08-20 | PARKER MARK S | President | Sell | 370 | $1,669 |
| 2025-08-20 | O'Brien Kevin Patrick | Chief Financial Officer | Sell | 48 | $216 |
| 2025-08-13 | PARKER MARK S | President | Sell | 771 | $3,462 |
| 2025-08-13 | Ackerman Erica | CAO and Corporate Controller | Sell | 52 | $233 |
| 2025-06-10 | Peters Susan | Director | Buy | 30,000 | $0 |
| 2025-06-10 | Denis Melisa | Director | Buy | 30,000 | $0 |
| 2025-06-10 | Persofsky Renah | Director | Buy | 30,000 | $0 |
| 2025-06-10 | Chung Patrick | Director | Buy | 30,000 | $0 |
| 2025-04-10 | Ackerman Erica | CAO and Corporate Controller | Sell | 473 | $842 |
| 2025-04-10 | Toler William Douglas | Director | Sell | 2,966 | $5,279 |
Source: SEC Form 4 filings · as of 2026-08-11