Mark S. Parker

Insider Reports History

Reporting-owner location: Shoemakersville, PA
Latest reporting-owner signature: /s/ Mark Parker
Source: Latest parsed Forms 3/4/5 signature
Transaction source note: Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Mark S. Parker

Form 4 holding President

HYDROFARM HOLDINGS GROUP, INC.

Security class: Common Stock, $0.0001 par value per share
Shares / value: 18,558
Estimated value: $15,768
Report date: 08 Aug 2026
Price: $0.8497
Ownership: Direct

Insider Reports Filed by Mark S. Parker

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 08 Aug 2026
Transactions: 1
Transaction value: $0
Accepted by SEC: 11 Aug 2026, 16:16
Role: President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 06 Jan 2026
Transactions: 1
Transaction value: -$2,525
Accepted by SEC: 08 Jan 2026, 16:09
Role: President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 18 Aug 2025
Transactions: 1
Transaction value: -$1,669
Accepted by SEC: 20 Aug 2025, 16:02
Role: President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 11 Aug 2025
Transactions: 1
Transaction value: -$3,462
Accepted by SEC: 13 Aug 2025, 08:08
Role: President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 08 Apr 2025
Transactions: 1
Transaction value: -$2,456
Accepted by SEC: 10 Apr 2025, 16:11
Role: President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 28 Feb 2025
Transactions: 1
Transaction value: $0
Accepted by SEC: 04 Mar 2025, 16:06
Role: President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 26 Feb 2025
Transactions: 1
Transaction value: -$453
Accepted by SEC: 28 Feb 2025, 16:18
Role: President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Jan 2025
Transactions: 1
Transaction value: $0
Accepted by SEC: 03 Jan 2025, 16:09
Role: President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Nov 2024
Transactions: 1
Transaction value: -$93.43
Accepted by SEC: 04 Nov 2024, 16:01
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Oct 2024
Transactions: 1
Transaction value: -$92.33
Accepted by SEC: 02 Oct 2024, 16:01
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 03 Sep 2024
Transactions: 1
Transaction value: -$58.36
Accepted by SEC: 04 Sep 2024, 19:59
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 19 Aug 2024
Transactions: 1
Transaction value: -$2,007
Accepted by SEC: 20 Aug 2024, 16:04
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 08 Aug 2024
Transactions: 1
Transaction value: -$3,921
Accepted by SEC: 12 Aug 2024, 16:08
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 31 Jul 2024
Transactions: 1
Transaction value: -$91.56
Accepted by SEC: 02 Aug 2024, 16:16
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 30 Jun 2024
Transactions: 1
Transaction value: -$91.08
Accepted by SEC: 02 Jul 2024, 17:13
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 31 May 2024
Transactions: 1
Transaction value: -$117
Accepted by SEC: 03 Jun 2024, 16:09
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 May 2024
Transactions: 1
Transaction value: -$146
Accepted by SEC: 02 May 2024, 16:06
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 03 Apr 2024
Transactions: 1
Transaction value: -$153
Accepted by SEC: 04 Apr 2024, 16:03
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 25 Mar 2024
Transactions: 2
Transaction value: -$8,635
Accepted by SEC: 27 Mar 2024, 16:46
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Mar 2024
Transactions: 1
Transaction value: -$136
Accepted by SEC: 05 Mar 2024, 16:04
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 26 Feb 2024
Transactions: 1
Transaction value: -$724
Accepted by SEC: 27 Feb 2024, 16:01
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 15 Feb 2024
Transactions: 1
Transaction value: $0
Accepted by SEC: 20 Feb 2024, 16:22
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Feb 2024
Transactions: 1
Transaction value: -$149
Accepted by SEC: 02 Feb 2024, 16:01
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 29 Dec 2023
Transactions: 1
Transaction value: -$124
Accepted by SEC: 02 Jan 2024, 16:08
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Dec 2023
Transactions: 1
Transaction value: -$115
Accepted by SEC: 05 Dec 2023, 16:11
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 02 Nov 2023
Transactions: 1
Transaction value: -$135
Accepted by SEC: 03 Nov 2023, 16:08
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 02 Oct 2023
Transactions: 1
Transaction value: -$165
Accepted by SEC: 03 Oct 2023, 16:03
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Sep 2023
Transactions: 1
Transaction value: -$169
Accepted by SEC: 05 Sep 2023, 16:36
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 18 Aug 2023
Transactions: 1
Transaction value: -$3,915
Accepted by SEC: 21 Aug 2023, 16:03
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 08 Aug 2023
Transactions: 1
Transaction value: $0
Accepted by SEC: 09 Aug 2023, 17:08
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Aug 2023
Transactions: 1
Transaction value: -$158
Accepted by SEC: 02 Aug 2023, 16:10
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 03 Jul 2023
Transactions: 1
Transaction value: -$106
Accepted by SEC: 05 Jul 2023, 16:40
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Jun 2023
Transactions: 1
Transaction value: -$121
Accepted by SEC: 02 Jun 2023, 17:00
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 30 Apr 2023
Transactions: 1
Transaction value: -$237
Accepted by SEC: 02 May 2023, 17:00
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 03 Apr 2023
Transactions: 1
Transaction value: -$182
Accepted by SEC: 04 Apr 2023, 16:17
Role: EXECUTIVE VICE PRESIDENT
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 27 Feb 2023
Transactions: 1
Transaction value: -$1,126
Accepted by SEC: 28 Feb 2023, 15:06
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 31 Jan 2023
Transactions: 1
Transaction value: -$196
Accepted by SEC: 02 Feb 2023, 15:01
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 17 Jan 2023
Transactions: 4
Transaction value: -$5,055
Accepted by SEC: 28 Mar 2023, 17:45
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 31 Dec 2022
Transactions: 1
Transaction value: -$132
Accepted by SEC: 03 Jan 2023, 16:09
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Dec 2022
Transactions: 1
Transaction value: -$198
Accepted by SEC: 01 Dec 2022, 18:30
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Nov 2022
Transactions: 1
Transaction value: -$230
Accepted by SEC: 02 Nov 2022, 16:02
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 03 Oct 2022
Transactions: 1
Transaction value: -$171
Accepted by SEC: 04 Oct 2022, 18:59
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Sep 2022
Transactions: 1
Transaction value: -$299
Accepted by SEC: 02 Sep 2022, 16:12
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 17 Aug 2022
Transactions: 1
Transaction value: $0
Accepted by SEC: 18 Aug 2022, 16:57
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 01 Aug 2022
Transactions: 1
Transaction value: -$287
Accepted by SEC: 02 Aug 2022, 16:05
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 06 Jul 2022
Transactions: 1
Transaction value: -$310
Accepted by SEC: 06 Jul 2022, 20:06
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 02 Jun 2022
Transactions: 1
Transaction value: -$613
Accepted by SEC: 03 Jun 2022, 16:01
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 02 May 2022
Transactions: 1
Transaction value: -$850
Accepted by SEC: 04 May 2022, 16:02
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 04 Apr 2022
Transactions: 1
Transaction value: -$1,348
Accepted by SEC: 04 Apr 2022, 16:20
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 25 Mar 2022
Transactions: 1
Transaction value: -$33,133
Accepted by SEC: 28 Mar 2022, 16:25
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 23 Mar 2022
Transactions: 1
Transaction value: $0
Accepted by SEC: 24 Mar 2022, 19:54
Role: Executive Vice President
Next action: Open filing details

4 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 25 Feb 2022
Transactions: 2
Transaction value: +$99,874
Accepted by SEC: 10 Mar 2022, 16:03
Role: Executive Vice President
Next action: Open filing details

3 HYFM

HYDROFARM HOLDINGS GROUP, INC.

Report period: 25 Feb 2022
Transactions: 0
Transaction value: $0
Accepted by SEC: 10 Mar 2022, 16:00
Role: Executive Vice President
Next action: Open filing details

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