Director Alexander Dimitrief filed a Form 4 with the SEC on August 6, 2026, reporting the conversion of subscription rights into common stock and warrants in Eos Energy Enterprises, Inc. (NASDAQ: EOSE) following the close of a rights offering on July 21, 2026.

Key Highlights

  • Rights Offering Closed: The issuer's rights offering closed on July 21, 2026, the date of the earliest reported transaction.
  • Shares Acquired Directly: Dimitrief acquired 17,897 shares of common stock directly at $5.48 per share via conversion of subscription rights, bringing his direct beneficial ownership to 269,296 shares.
  • Shares Acquired Indirectly: An additional 1,377 shares were acquired indirectly by spouse at $5.48 per share, for an indirect holding of 11,377 shares.
  • Warrants Retained: The conversion also produced 7,853 warrants held directly and 603 warrants held indirectly by spouse, each exercisable at $5.48 per share and expiring 10 years after the rights offering closed.
  • Transaction Code: All transactions were coded "M," reflecting conversion of derivative securities.
  • Price of Derivative: The subscription rights and warrants were acquired at a price of $0 each, according to the filing.

Alexander Dimitrief's Rights Offering Conversion at Eos Energy Enterprises

According to the filing, the transactions reported arose from a rights offering by Eos Energy Enterprises, Inc. that closed on July 21, 2026. Each subscription right was exercisable for units consisting of one share of common stock and 0.4388 of a warrant exercisable to acquire one share of common stock at an exercise price of $5.48 per share. The filing identifies Alexander Dimitrief's relationship to the issuer as a Director.

Dimitrief exercised subscription rights covering 17,897 shares directly and 1,377 shares indirectly through his spouse. Following these transactions, his direct beneficial ownership of common stock stood at 269,296 shares, and his indirect beneficial ownership stood at 11,377 shares. The derivative securities - the subscription rights - were fully converted and now show zero remaining directly or indirectly, per the filing.

The warrants issued as part of the rights offering units became exercisable immediately after the offering closed, according to the filing's explanation of responses. The filing states that the warrants "expire 10 years later, unless exercised or redeemed earlier," and that a warrant not exercised or redeemed before expiration "will have no value." Dimitrief holds 7,853 warrants directly and 603 warrants indirectly through his spouse. The form was signed by Sumeet Puri as attorney-in-fact for Alexander Dimitrief on August 6, 2026.

What Was Disclosed

The filing reports Director Alexander Dimitrief's conversion of subscription rights into common stock and warrants in Eos Energy Enterprises' rights offering that closed July 21, 2026, with resulting direct ownership of 269,296 common shares and 7,853 warrants, plus indirect holdings through his spouse.