Dumont Global LP and affiliated reporting persons filed Amendment No. 1 to Schedule 13D with the SEC regarding their beneficial ownership of Hydrofarm Holdings Group, Inc. common stock, triggered by a transaction on October 27, 2026.

Key Highlights

  • Triggering event: On October 27, 2026, Dumont Investment Fund LP acquired 138,121 shares of common stock and accompanying warrants to purchase up to 138,121 additional shares directly from Hydrofarm Holdings Group, Inc.
  • Purchase price: The aggregate purchase price was $125,000, or $0.905 per share and accompanying warrant, according to the filing.
  • Yetter's total beneficial ownership: Richard Christopher Yetter is reported to beneficially own 601,242 shares, representing approximately 4.44% of outstanding common stock.
  • Fund-level ownership: Each of Dumont Investment Fund LP, Dumont Global LP, and Dumont Fund Partners LLC is reported to beneficially own 581,242 shares, representing approximately 4.30% of outstanding common stock.
  • Shares outstanding basis: Percentages are based on 13,390,298 shares outstanding following the October 27, 2026 closing, plus 138,121 warrant shares, for a total denominator of 13,528,419 shares.
  • Board role: Chris Yetter serves as a member of Hydrofarm's Board of Directors and holds 20,000 shares directly, issued upon vesting of RSUs granted October 1, 2025.
  • Unvested RSUs excluded: The filing states that 30,000 unvested RSUs granted to Yetter on June 25, 2026 under the Issuer's Equity Incentive Plan are not included in the beneficial ownership calculation.

Dumont Entities and Yetter Increase Hydrofarm Stake in October 2026 Offering

According to the filing, on October 27, 2026, Dumont Investment Fund LP entered into a Securities Purchase Agreement with Hydrofarm Holdings Group, Inc. in connection with the issuer's recapitalization and equity offering transactions. Under that agreement, the Fund purchased 23,983 shares of common stock in a registered direct offering and 114,138 shares of common stock along with warrants to purchase up to 138,121 shares in a concurrent private placement. The combined offering price was $0.905 per share and accompanying warrant, for a total purchase price of $125,000. The source of funds was described as the working capital of the Fund.

The filing identifies four reporting persons: Dumont Global LP, a Delaware limited partnership serving as investment manager of the Fund; Dumont Fund Partners LLC, a Delaware limited liability company serving as general partner of the Fund; Dumont Investment Fund LP (formerly named Dumont Master Fund LP, renamed following an entity restructuring and name change in 2026); and Richard Christopher Yetter, a United States citizen. Yetter is described as the manager of Dumont Global Partners LLC, the general partner of Dumont Global LP, and the managing member of Dumont Fund Partners LLC. The filing notes that Yetter also serves on Hydrofarm's Board of Directors.

As reported in the filing, the Fund directly holds 443,121 shares of common stock and warrants exercisable for 138,121 additional shares, for a combined 581,242 shares attributed to each of the three Dumont entities. Yetter's separately reported total of 601,242 shares adds 20,000 shares held in his own name. All four reporting persons state that none has been convicted in a criminal proceeding or been subject to a judgment related to securities laws during the last five years.

What Was Disclosed

Amendment No. 1 to Schedule 13D discloses a October 27, 2026 purchase of 138,121 shares and warrants by Dumont Investment Fund LP from Hydrofarm Holdings Group, Inc. for $125,000, and updates beneficial ownership figures for four affiliated reporting persons.