Richard Christopher Yetter - 27 Oct 2026 Form 4 Insider Report for HYDROFARM HOLDINGS GROUP, INC. (HYFM)

Reporting relationship: Director
Issuer ticker: HYFM
Reported as of: 27 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 29 Oct 2026, 17:15:11 UTC
Prior SEC filing: 25 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Richard Christopher Yetter

Filing notes and source

Key filing fact

Richard Christopher Yetter filed Form 4 for HYDROFARM HOLDINGS GROUP, INC. (HYFM) on 29 Oct 2026.

Key facts

This page summarizes Richard Christopher Yetter's Form 4 filing for HYDROFARM HOLDINGS GROUP, INC. (HYFM).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 29 Oct 2026, 17:15.

Change

Previous filing in this sequence was filed on 25 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002059900 Primary reporting owner

Yetter Richard Christopher

Relationship: Director
Address: 1510 MAIN STREET, SHOEMAKERSVILLE
Signature: /s/ Richard Christopher Yetter
Signature date: 29 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HYFM transaction

Common Stock, $0.0001 par value per share

Award

Transaction value
Shares: +138,121
Change %: +45%
Price: $0.9050^*
Shares after: 443,121
Date: 27 Oct 2026
Ownership: Dumont Investment Fund LP
Footnotes: F1, F2

HYFM holding

Common Stock, $0.0001 par value per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 50,000
Date: 27 Oct 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

HYFM transaction Derivative

Common Warrant

Award

Transaction value
Shares: +138,121
Change %
Price
Shares after: 138,121
Date: 27 Oct 2026
Ownership: Dumont Investment Fund LP
Underlying class: Common Stock, $0.0001 par value per share
Underlying amount: 138,121
Exercise price: $0.7800
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

On October 27, 2026, Issuer entered into a Securities Purchase Agreement (the "Purchase Agreement") with the purchasers signatory thereto and consummated the transactions contemplated thereunder. Pursuant to the Purchase Agreement, Issuer agreed to issue and sell to Reporting Person (i) in a registered direct offering 23,983 shares of Common Stock, $0.0001 par value per share ("Common Stock") and (ii) in a concurrent private placement 114,138 shares of Common Stock and 138,121 accompanying common stock purchase warrants to purchase shares of Common Stock (the "Common Warrants"). The transaction was approved by the Issuer's board of directors in accordance with Rule 16b-3.

Footnote F2

Dumont Investment Fund LP was previously named Dumont Master Fund LP and adopted its current name in 2026. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

Footnote F3

The Common Warrants may be exercised on a one-for-one basis for shares of Common Stock at an exercise price of $0.78 per share of Common Stock, to the extent that after giving effect to such exercise the Reporting Person would beneficially own, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, no more than 9.99% of the outstanding shares of Common Stock. The Common Warrants will expire five and a half years following the date of issuance