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Insider · CIK 0001915363

Mark S Parker

officerpresident

Files at HYFM (HYDROFARM HOLDINGS GROUP, INC.). First filing -, latest -.

In brief

Mark S Parker files SEC Form 4 as president at HYFM (HYDROFARM HOLDINGS GROUP, INC.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.

A track record needs three past buys with six months of prices behind them; Mark S Parker has 0, so none is measured yet.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Transactions

Every row this insider has filed, 9 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Aug 8, 2026HYFM
HYDROFARM HOLDINGS GROUP, INC.
FTax withholding
Common Stock, $0.0001 par value per share
-740$1.60$1,18418,558Aug 11, 2026
Jan 6, 2026HYFM
HYDROFARM HOLDINGS GROUP, INC.
FTax withholding
Common Stock, $0.0001 par value per share
-1,672$1.51$2,52519,328Jan 8, 2026
Aug 18, 2025HYFM
HYDROFARM HOLDINGS GROUP, INC.
FTax withholding
Common Stock, $0.0001 par value per share
-370$4.51$1,66921,000Aug 20, 2025
Aug 11, 2025HYFM
HYDROFARM HOLDINGS GROUP, INC.
FTax withholding
Common Stock, $0.0001 par value per share
-771$4.49$3,46221,370Aug 13, 2025
Apr 8, 2025HYFM
HYDROFARM HOLDINGS GROUP, INC.
FTax withholding
Common Stock, $0.0001 par value per share
-1,380$1.78$2,45622,141Apr 10, 2025
Feb 28, 2025HYFM
HYDROFARM HOLDINGS GROUP, INC.
AGrant or award
Common Stock, $0.0001 par value per share
+2,751$0.00$023,521Mar 4, 2025
Feb 26, 2025HYFM
HYDROFARM HOLDINGS GROUP, INC.
FTax withholding
Common Stock, $0.0001 par value per share
-84$5.39$45320,770Feb 28, 2025
Jan 1, 2025HYFM
HYDROFARM HOLDINGS GROUP, INC.
AGrant or award
Common Stock, $0.0001 par value per share
+100,000$0.00$0208,546Jan 3, 2025
Nov 1, 2024HYFM
HYDROFARM HOLDINGS GROUP, INC.
FTax withholding
Common Stock, $0.0001 par value per share
-138$0.68$93108,546Nov 4, 2024

Questions about Mark S Parker

Answered from the filings on this page, as of the latest one.

Is Mark S Parker buying or selling?

Mark S Parker has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.

How did Mark S Parker's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mark S Parker has 0.

Where does Mark S Parker file Form 4?

Mark S Parker has filed Form 4 at HYFM (HYDROFARM HOLDINGS GROUP, INC.) as President. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Mark S Parker: insider trades and track record | InsiderTell