Hydrofarm Holdings Group, Inc. President Mark S. Parker filed a Form 4 on October 29, 2026, disclosing the purchase of common stock and warrants on October 27, 2026, pursuant to a Securities Purchase Agreement.

Key Highlights

  • Reporting person: Mark S. Parker, President of Hydrofarm Holdings Group, Inc. (NASDAQ:HYFM)
  • Transaction date: October 27, 2026, under a Securities Purchase Agreement
  • Shares acquired: 22,099 shares of Common Stock, $0.0001 par value per share, at $0.905 per share
  • Breakdown of shares: 3,837 shares via a registered direct offering and 18,262 shares via a concurrent private placement
  • Warrants acquired: 22,099 common stock purchase warrants with an exercise price of $0.78 per share
  • Beneficial ownership following transaction: 40,657 shares of Common Stock held directly
  • Warrant cap: Warrants may not be exercised if doing so would cause Parker to beneficially own more than 9.99% of outstanding shares of Common Stock

Parker Acquires Stock and Warrants in Hydrofarm Dual-Tranche Offering

According to the filing, on October 27, 2026, Hydrofarm Holdings Group, Inc. entered into a Securities Purchase Agreement with purchasers including President Mark S. Parker. Under that agreement, the company agreed to issue and sell to Parker a total of 22,099 shares of Common Stock, $0.0001 par value per share, at a price of $0.905 per share, along with 22,099 accompanying common stock purchase warrants referred to as "Common Warrants" in the filing.

The filing discloses that the 22,099 shares were delivered in two parts: 3,837 shares through a registered direct offering and 18,262 shares through a concurrent private placement. Following these transactions, Parker's direct beneficial ownership of Common Stock stands at 40,657 shares, according to the Form 4.

The Common Warrants carry an exercise price of $0.78 per share and are exercisable on a one-for-one basis for shares of Common Stock. The filing states the warrants will expire five and a half years following the date of issuance and include a beneficial ownership cap: they may not be exercised to the extent that doing so would cause Parker to beneficially own more than 9.99% of the outstanding shares of Common Stock for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended. Parker beneficially owns 22,099 Common Warrants directly following the transaction, according to the filing.

What Was Disclosed

President Mark S. Parker reported the acquisition of 22,099 shares of Hydrofarm Common Stock at $0.905 per share and 22,099 Common Warrants at an exercise price of $0.78, all transacted on October 27, 2026, resulting in direct beneficial ownership of 40,657 shares.