Hydrofarm Holdings Group, Inc. (HYFM)
Nasdaq: HYFM · Wholesale-Miscellaneous Nondurable Goods · Shoemakersville, PA · filing with the SEC since 2017
Who owns Hydrofarm Holdings Group, Inc.
As filed with the SECHolders of 5% or more
2
Bogaczyk Janusz Michal holds 9.8% of Common Stock, $0.0001 par value, as its SCHEDULE 13G/A filed Mar 25, 2025 says.
Directors and officers
9
report now, of 13 people on the record since 2020. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Bogaczyk Janusz Michal
SCHEDULE 13G/A · filed Mar 25, 2025 · Common Stock, $0.0001 par value · 9% in Mar 5, 2025
Dumont Global LP
SCHEDULE 13D · filed Oct 14, 2025 · Common Stock
Dumont Global LP
SCHEDULE 13G/A · filed Mar 12, 2025 · Common Stock · reported falling below 5%
Michael Rapoport
SCHEDULE 13G/A · filed Jan 29, 2025 · Common Stock, $0.0001 par value · reported falling below 5%
What HYFM reports owning in othersstakes of 5% or more, and other ties
20 subsidiaries in 3 countries, from the list filed with the 10-K filed Mar 27, 2026.
Insider tradesForm 4
3sales
1purchases
0sales on a scheduled plan
2people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 29, 2025 to Oct 29, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 29, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window3 of 16 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Parker Mark S | President | 0 | $0 | 0 | 1 | $0 |
| O'Brien Kevin Patrick | Chief Financial Officer | 1 | $0 | 0 | 0 | $0 |
| Denis Melisa | director | 2 | $0 | 0 | 0 | $0 |