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PM

Parker Mark S

Vice-Président Exécutif

OtherM

HYDROFARM HOLDINGS GROUP, INC.Hydrofarm Holdings Group, INC.

Cumul. flow

0

Total declarations

0

Companies

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▲ Purchases (0 ops.)

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▼ Sales (0 ops.)

Insider track record

Executive

Disclosed buys

0

Disclosed sells

0

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

Browse the full record of transactions filed by Parker Mark S, Vice-Président Exécutif. Director active across 2 companies, notably HYDROFARM HOLDINGS GROUP, INC.. In total, 52 reports have been logged. History available since 25 February 2022. The latest transaction was disclosed on 8 August 2026 (Retenue fiscale). Regulator: SEC (Form 4). The full history is free.

Companies and markets linked to Parker Mark S

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

HYDROFARM HOLDINGS GROUP, INC. (US)Hydrofarm Holdings Group, INC. (US)

Declarations52 total

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PresidentExecutives8 Aug 2026Hydrofarm Holdings Group, INC.

$1,18427SEC ↗

740 shares@ US$1.600.037% mcap3.6% of flowCommon Stock, $0.0001 par value per shareSEC:0001437749-26-027020:0

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PresidentExecutives6 Jan 2026Hydrofarm Holdings Group, INC.

$2,52521SEC ↗

1,672 shares@ US$1.517.9% of flowCommon Stock, $0.0001 par value per shareSEC:0001915363-26-000002:0

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PresidentExecutives18 Aug 2025Hydrofarm Holdings Group, INC.

$1,66921SEC ↗

370 shares@ US$4.515.7% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-25-040897:0

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PresidentExecutives11 Aug 2025Hydrofarm Holdings Group, INC.

$3,46221SEC ↗

771 shares@ US$4.4912.7% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-25-040012:0

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PresidentExecutives8 Apr 2025Hydrofarm Holdings Group, INC.

$2,45621SEC ↗

1,380 shares@ US$1.7810.9% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-25-017326:0

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PresidentExecutives28 Feb 2025Hydrofarm Holdings Group, INC.

2,751 shares0Common Stock, $0.0001 par value per shareSEC:0001628280-25-009809:0

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PresidentExecutives26 Feb 2025Hydrofarm Holdings Group, INC.

84 shares@ US$5.392.1% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-25-009044:0

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PresidentExecutives1 Jan 2025Hydrofarm Holdings Group, INC.

100,000 shares0Common Stock, $0.0001 par value per shareSEC:0001628280-25-000252:0

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Executive Vice PresidentExecutives1 Nov 2024Hydrofarm Holdings Group, INC.

138 shares@ US$0.6770.4% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-044974:0

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Executive Vice PresidentExecutives1 Oct 2024Hydrofarm Holdings Group, INC.

134 shares@ US$0.6890.4% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-041869:0

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Executive Vice PresidentExecutives3 Sept 2024Hydrofarm Holdings Group, INC.

134 shares@ US$0.43550.3% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-039417:0

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Executive Vice PresidentExecutives19 Aug 2024Hydrofarm Holdings Group, INC.

$2,00710SEC ↗

3,624 shares@ US$0.55398.8% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-037888:0

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Executive Vice PresidentExecutives8 Aug 2024Hydrofarm Holdings Group, INC.

$3,92111SEC ↗

7,248 shares@ US$0.54117.5% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-036765:0

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Executive Vice PresidentExecutives31 Jul 2024Hydrofarm Holdings Group, INC.

144 shares@ US$0.63580.4% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-034419:0

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Executive Vice PresidentExecutives30 Jun 2024Hydrofarm Holdings Group, INC.

132 shares@ US$0.690.4% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-030896:0

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Executive Vice PresidentExecutives31 May 2024Hydrofarm Holdings Group, INC.

151 shares@ US$0.77750.5% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-026314:0

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Executive Vice PresidentExecutives1 May 2024Hydrofarm Holdings Group, INC.

151 shares@ US$0.970.7% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-019996:0

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Executive Vice PresidentExecutives3 Apr 2024Hydrofarm Holdings Group, INC.

151 shares@ US$1.010.7% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-014871:0

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Executive Vice PresidentExecutives25 Mar 2024Hydrofarm Holdings Group, INC.

$3,16810SEC ↗

3,410 shares@ US$0.92914.3% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-013333:0

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Executive Vice PresidentExecutives1 Mar 2024Hydrofarm Holdings Group, INC.

151 shares@ US$0.90290.6% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-008871:0

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Executive Vice PresidentExecutives26 Feb 2024Hydrofarm Holdings Group, INC.

814 shares@ US$0.893.3% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-007192:0

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Executive Vice PresidentExecutives15 Feb 2024Hydrofarm Holdings Group, INC.

12,061 shares0Common Stock, $0.0001 par value per shareSEC:0001628280-24-005586:0

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Executive Vice PresidentExecutives1 Feb 2024Hydrofarm Holdings Group, INC.

151 shares@ US$0.990.7% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-003045:0

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Executive Vice PresidentExecutives29 Dec 2023Hydrofarm Holdings Group, INC.

135 shares@ US$0.91750.5% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-24-000056:0

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Executive Vice PresidentExecutives1 Dec 2023Hydrofarm Holdings Group, INC.

135 shares@ US$0.85280.5% of flowCommon Stock, $0.0001 par value per shareSEC:0001628280-23-040742:0

25 of 52 declarations

About Parker Mark S

PARKER MARK S is Vice-Président Exécutif. He has 51 filings in total, and the sampled recent filings run from 2022-03-10 to 2026-01-08. The amounts observed in this sample are associated with tax withholding, with sum_buy_eur at 0 and sum_sell_eur at 0.