Transaction · 0001915363-26-000002

PARKER MARK S

PARKER MARK S, PRES, reported a transaction classified as withholding at HYDROFARM HOLDINGS GROUP, INC. involving 1672.000000 shares for an estimated $2524.72. Reported holdings after the transaction were 19328.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FPRES
HYFMHYDROFARM HOLDINGS GROUP, INC.
Filing timeJan 08
Trade dateJan 06, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableCalculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
—
Pre-filing
1mo ago1w ago1d ago
Returns since
7d30d90d180d1y

HYFM price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
HYFM since 2026-01-08Filed 262 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0001915363-26-000002
Common Stock, $0.0001 par value per share
Transaction date
Jan 06, 2026
Filed Jan 08, 2026, 09:09 PM · 2d delay
Shares
1.67k sh
$1.51 per share
Estimated value
-$2.52k
Computed from shares × price
Holdings after
19.3k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
-12score
Filing-only score

-12

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

President

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Shares withheld to satisfy tax withholding obligation applicable to the vesting of 3,333 stock-settled restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock.…

Original filing · 0001915363-26-000002
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HYFM