Hydrofarm Holdings Group, Inc. (HYFM) Insider Ownership

Historic Insider Ownership Trends

Through the 90-day period concluding February 19, 2026, Hydrofarm Holdings's top three insider stakeholders include Chief Executive Officer William Douglas Toler (221.67K shares), Director Renah Persofsky (61.50K shares), Director Susan Peters (61.35K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Richard D Moss 31,548 10 Jun, 2024
Terence Fitch President 28,450 06 Jun, 2022
William Douglas Toler Chief Executive Officer 221,672 08 Jan, 2026
Renah Persofsky 61,498 10 Jun, 2025
Susan Peters 61,348 10 Jun, 2025
Patrick Chung 61,148 10 Jun, 2025
Melisa Denis 58,423 08 Dec, 2025
Bruce John Lindeman Chief Executive Officer 56,683 20 Aug, 2025
Richard Christopher Yetter 20,000 02 Oct, 2025
Mark S Parker President 19,328 08 Jan, 2026
Kevin Patrick O'Brien Chief Financial Officer 13,222 08 Jan, 2026
Erica Ackerman Cao And Corporate Controller 7,540 08 Jan, 2026
Joseph D Rumley Chief Accounting Officer 596 22 Mar, 2022

* 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
06 Jan, 2026 William Douglas Toler Common Stock, $0.0001 par value per share D 5,189 $1.51 221,672 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 Erica Ackerman Common Stock, $0.0001 par value per share D 687 $1.51 7,540 D F
05 Dec, 2025 Melisa Denis - - 58,423 D
05 Dec, 2025 Melisa Denis Common Stock, $0.0001 par value per share D 120 $1.92 58,423 D S
04 Dec, 2025 Melisa Denis Common Stock, $0.0001 par value per share D 2,875 $1.88 58,543 D S
04 Dec, 2025 Melisa Denis - - 58,543 D
01 Oct, 2025 Richard Christopher Yetter - - 20,000 D
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 Bruce John Lindeman Common Stock, $0.0001 par value per share D 496 $4.51 56,683 D F
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 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 - - 14,372 D
18 Aug, 2025 Mark S Parker Common Stock, $0.0001 par value per share D 370 $4.51 21,000 D F
11 Aug, 2025 Mark S Parker - - 21,370 D
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 - - 61,348 D
09 Jun, 2025 Susan Peters Common Stock, $0.0001 par value per share A 30,000 $0.00 61,348 D A