Hydrofarm Holdings's top three insider shareholders as of June 09, 2026 are Terence Fitch (President, 284.50K shares), William Douglas Toler (Chief Executive Officer, 221.67K shares), Renah Persofsky (Director, 154.51K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Joseph D Rumley | Chief Accounting Officer | 5,961 | 0 | 22 Mar, 2022 |
| Susan Peters | - | 153,013 | 0 | 07 Jun, 2023 |
| Bruce John Lindeman | Chief Executive Officer | 56,683 | 0 | 19 Aug, 2025 |
| William Douglas Toler | Chief Executive Officer | 221,672 | 0 | 08 Jan, 2026 |
| Kevin Patrick O'Brien | Chief Financial Officer | 13,222 | 0 | 08 Jan, 2026 |
| Melisa Denis | - | 153,713 | 0 | 07 Jun, 2023 |
| Patrick Chung | - | 151,013 | 0 | 07 Jun, 2023 |
| Terence Fitch | President | 284,500 | 0 | 06 Jun, 2022 |
| Renah Persofsky | - | 154,513 | 0 | 07 Jun, 2023 |
| Mark S Parker | President | 19,328 | 0 | 08 Jan, 2026 |
| Erica Ackerman | Cao And Corporate Controller | 7,540 | 0 | 08 Jan, 2026 |
| Richard Christopher Yetter | - | 20,000 | 0 | 01 Oct, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 06 Jan, 2026 | Erica Ackerman | Common Stock, $0.0001 par value per share | D | 687 | $1.51 | 7,540 | D | F |
| 06 Jan, 2026 | Kevin Patrick O'Brien | Common Stock, $0.0001 par value per share | D | 1,150 | $1.51 | 13,222 | D | S |
| 06 Jan, 2026 | Mark S Parker | Common Stock, $0.0001 par value per share | D | 1,672 | $1.51 | 19,328 | D | F |
| 06 Jan, 2026 | Kevin Patrick O'Brien | Common Stock, $0.0001 par value per share | D | 1,150 | $1.51 | 13,222 | D | S |
| 06 Jan, 2026 | Mark S Parker | Common Stock, $0.0001 par value per share | D | 1,672 | $1.51 | 19,328 | D | F |
| 06 Jan, 2026 | William Douglas Toler | Common Stock, $0.0001 par value per share | D | 5,189 | $1.51 | 221,672 | D | F |
| 04 Dec, 2025 | Melisa Denis | Common Stock, $0.0001 par value per share | D | 2,875 | $1.88 | 58,543 | D | S |
| 05 Dec, 2025 | Melisa Denis | Common Stock, $0.0001 par value per share | D | 120 | $1.92 | 58,423 | D | S |
| 01 Oct, 2025 | Richard Christopher Yetter | Common Stock, $0.0001 par value per share | A | 20,000 | $0.00 | 20,000 | D | A |
| 01 Oct, 2025 | Richard Christopher Yetter | Common Stock, $0.0001 par value per share | A | 20,000 | $0.00 | 20,000 | D | A |
| 18 Aug, 2025 | William Douglas Toler | Common Stock, $0.0001 par value per share | D | 445 | $4.51 | 226,861 | D | F |
| 18 Aug, 2025 | Mark S Parker | Common Stock, $0.0001 par value per share | D | 370 | $4.51 | 21,000 | D | F |
| 18 Aug, 2025 | Mark S Parker | Common Stock, $0.0001 par value per share | D | 370 | $4.51 | 21,000 | D | F |
| 18 Aug, 2025 | Bruce John Lindeman | Common Stock, $0.0001 par value per share | D | 496 | $4.51 | 56,683 | D | F |
| 18 Aug, 2025 | Kevin Patrick O'Brien | Common Stock, $0.0001 par value per share | D | 48 | $4.51 | 14,372 | D | F |
| 18 Aug, 2025 | Kevin Patrick O'Brien | Common Stock, $0.0001 par value per share | D | 48 | $4.51 | 14,372 | D | F |
| 11 Aug, 2025 | Mark S Parker | Common Stock, $0.0001 par value per share | D | 771 | $4.49 | 21,370 | D | F |
| 11 Aug, 2025 | Mark S Parker | Common Stock, $0.0001 par value per share | D | 771 | $4.49 | 21,370 | D | F |
| 11 Aug, 2025 | Erica Ackerman | Common Stock, $0.0001 par value per share | D | 52 | $4.49 | 8,227 | D | F |
| 09 Jun, 2025 | Susan Peters | Common Stock, $0.0001 par value per share | A | 30,000 | $0.00 | 61,348 | D | A |