Every Form 4 that Eos Energy Enterprises, Inc. Warrant (EOSEW) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow EOSEW and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full EOSEW filings page.
Eos Energy Enterprises, Inc. (EOSE) reported that Chief Accounting Officer Sumeet Puri had 2024 performance-based restricted stock units vest on September 14, 2026, resulting in the acquisition of 87,500 shares of common stock. On September 16, 2026, an automatic sale of 43,750 shares at a weighted average price of $3.92 per share was executed under a Rule 10b5-1 trading plan to cover estimated tax withholding obligations.
Eos Energy Enterprises, Inc. (EOSE) reported that Chief Executive Officer and director Joe Mastrangelo had performance-based restricted stock units from a 2024 award vest on September 14, 2026, resulting in the delivery of 500,000 shares of common stock tied to total shareholder return performance.
Following this vesting, on September 16, 2026, Mastrangelo sold 250,000 shares of common stock at a weighted average price of $3.92 per share, with sale prices ranging from $3.84 to $4.16, in transactions effected automatically under a Rule 10b5-1 trading plan adopted on September 15, 2025 to cover estimated tax withholding obligations.
Eos Energy Enterprises, Inc. (EOSE) reported that director Haiyan Song purchased a total of 15,000 shares of common stock in two open-market transactions. The purchases occurred on September 11, 2026 (10,000 shares at $3.95 per share) and September 14, 2026 (5,000 shares at $3.84 per share), held directly. No Rule 10b5-1 trading plan is reported and the filing does not state Song’s total holdings after these purchases.
Eos Energy Enterprises, Inc. (EOSE) reported that Chief Accounting Officer Sumeet Puri exercised restricted stock units and sold a portion of the resulting common shares. On September 5, 2026, 68,333 restricted stock units were converted into 68,333 shares of common stock at a stated price of $0.00 per share. On September 9, 2026, 34,167 common shares were sold in open-market transactions at a weighted average price of $4.13 per share, with trade prices ranging from $4.07 to $4.27, pursuant to a Rule 10b5-1 trading plan adopted on September 15, 2025 to cover estimated tax withholding obligations related to RSU vesting.
Eos Energy Enterprises, Inc. (symbol: EOSE) is the issuer of record for a Form 4 filing submitted to the SEC.
Eos Energy Enterprises, Inc. (symbol: EOSE) is the issuer of record for a Form 4 filing submitted to the SEC.
Eos Energy Enterprises, Inc. (symbol: EOSE) is the issuer of record for a Form 4 filing submitted to the SEC.
Eos Energy Enterprises, Inc. (symbol: EOSE) is the issuer of record for a Form 4 filing submitted to the SEC.
Bornstein Jeffrey S reported acquisition or exercise transactions in this Form 4 filing.
Eos Energy Enterprises director Jeffrey S. Bornstein received a grant of restricted stock units. On the reported date, he was awarded 24,289 RSUs, each representing a contingent right to receive one share of Eos Energy common stock.
The RSUs were granted at no cash cost and will vest on the earlier of the first anniversary of the grant date or immediately before the company’s next annual shareholders meeting following the grant. After this grant, Bornstein holds 24,289 RSUs directly.
Nigro Joseph reported acquisition or exercise transactions in this Form 4 filing.
Eos Energy Enterprises director Joseph Nigro was granted 24,289 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of common stock and will settle in cash or common stock.
The RSUs vest on the earlier of the first anniversary of the grant date or immediately before the company’s next annual shareholders meeting following the grant date. After this grant, Nigro holds 24,289 RSUs directly.
McNeil Jeff reported acquisition or exercise transactions in this Form 4 filing.
Eos Energy Enterprises director Jeff McNeil received a grant of 18,217 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest on the earlier of the first anniversary of the grant date or immediately before the company’s next annual shareholders meeting.
Demby Claude reported acquisition or exercise transactions in this Form 4 filing.
Eos Energy Enterprises director Claude Demby received a new equity award in the form of restricted stock units. On June 5, 2026, he was granted 18,217 RSUs, each representing a contingent right to receive one share of common stock. The award was granted at a price of $0.00 per unit as part of compensation, not an open-market purchase. These RSUs will vest on the earlier of the first anniversary of the grant date or immediately before the company’s next annual shareholders meeting, and may settle in cash or common stock. Following this grant, Demby holds 18,217 RSUs directly.
Walters Marian reported acquisition or exercise transactions in this Form 4 filing.
Eos Energy Enterprises director Marian Walters received a grant of 21,253 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of common stock. The RSUs vest on the earlier of the first anniversary of the June 5, 2026 grant date or immediately before the company’s next annual shareholders meeting.
Urban David reported acquisition or exercise transactions in this Form 4 filing.
Eos Energy Enterprises director David Urban reported receiving a grant of restricted stock units as equity-based compensation. He was awarded 18,217 RSUs, each representing a contingent right to receive one share of common stock or a cash payment. These RSUs will vest on the earlier of the first anniversary of the grant date or immediately before the company’s next annual shareholders meeting following the grant date. After this grant, Urban’s reported derivative holdings from this award total 18,217 RSUs tied to common stock.
Nixon Gregory S. reported acquisition or exercise transactions in this Form 4 filing.
Eos Energy Enterprises director Nixon Gregory S. received a grant of 18,217 restricted stock units. Each RSU represents a right to one share of common stock and will settle in cash or common stock. The RSUs vest on the earlier of one year from grant or immediately before the company’s next annual shareholder meeting. Following this award, he holds 18,217 RSUs directly.
DIMITRIEF ALEXANDER reported acquisition or exercise transactions in this Form 4 filing.
Eos Energy Enterprises director Alexander Dimitrief received a compensation grant of 21,253 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of common stock. The RSUs vest on the earlier of the first anniversary of the grant date or immediately before the company’s next annual shareholders meeting.
The award settles in either cash or common stock, as provided in the grant terms. Following this grant, Dimitrief holds 21,253 RSUs directly, with no open-market purchase or sale involved in this filing.
Lagi Alessandro reported acquisition or exercise transactions in this Form 4 filing.
Eos Energy Enterprises, Inc. reported that Chief Financial Officer Alessandro Lagi received a grant of 277,773 Restricted Stock Units (RSUs). Each RSU represents a contingent right to receive one share of common stock. Following this grant, he holds 277,773 RSUs directly.
The RSUs were granted under the company’s 2020 Incentive Plan and will vest in three equal installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date. This is a compensation-related award, not an open-market purchase or sale.
Eos Energy Enterprises director Joseph Nigro exercised restricted stock units into common shares. He converted 3,565 restricted stock units, each representing the right to receive one share of common stock, into 3,565 shares of common stock at a stated price of $0.00 per share. No shares were sold in this filing, and his directly held common stock position increased to 38,950 shares following the transaction. The exercised restricted stock unit award now shows zero derivative units remaining.
Eos Energy Enterprises director Marian Walters reported an equity compensation event rather than an open‑market trade. Walters exercised restricted stock units, converting 1,782 RSUs into 1,782 shares of common stock at a stated price of $0.00 per share.
Following this transaction, Walters holds 160,227 shares of common stock directly. An additional 5,000 common shares are held indirectly through the D. and M. Walters Family Trust dated July 6, 2020, where David and Marian Walters serve as trustees.
Eos Energy Enterprises director Marian Walters exercised stock options and sold shares in a paired transaction. Walters exercised options to acquire 30,000 shares of common stock at $1.18 per share and on the same date sold 30,000 shares at $9.18 per share in an open-market sale. Following these moves, Walters directly holds 158,445 common shares and 35,018 stock options, and is also shown with indirect ownership of 5,000 shares held by the D. and M. Walters Family Trust.
Eos Energy Enterprises director Marian Walters exercised stock options and sold the resulting shares. Walters exercised options for 22,319 shares of common stock at $1.18 per share, then sold 22,319 shares in an open-market transaction at a weighted average price of $7.20 per share.
After these transactions, Walters directly holds 158,445 shares of common stock and 65,018 stock options. An additional 5,000 shares are held indirectly through the D. and M. Walters Family Trust dated July 6, 2020.
Eos Energy Enterprises director Jeff McNeil reported routine equity compensation activity involving restricted stock units. He exercised 23,111 RSUs into an equal number of shares of common stock at a price of $0.00 per share, increasing his directly held common stock.
Following the transaction, McNeil directly owns 122,290 shares of common stock. A separate entry shows an additional 227,272 common shares held indirectly by Jeff and Nanci McNeil as trustees of the 2022 Jeff McNeil and Nanci McNeil Charitable Remainder Unitrust.
Eos Energy Enterprises director Jeffrey S. Bornstein reported compensation-related updates involving restricted stock units (RSUs) and common stock. He exercised 30,815 RSUs tied to an equal number of common shares, but a footnote explains these RSUs were settled in cash at $6.88 per unit, so no shares were actually issued or disposed of. After these entries, he reports direct ownership of 134,248 common shares and an additional 1,500 shares held indirectly by his spouse. The filing reflects routine equity compensation accounting rather than open-market buying or selling.
Eos Energy Enterprises director Claude Demby reported routine equity compensation activity involving restricted stock units (RSUs). On May 19, 2026, 23,111 RSUs granted on May 19, 2025 were settled in cash at $6.88 per unit, based on the company’s closing stock price that day.
According to the footnotes, no shares of common stock were actually issued to Demby and he did not dispose of any shares in connection with this settlement. After these entries, he continues to hold 155,575 shares of common stock directly.
Eos Energy Enterprises director Alexander Dimitrief reported compensation-related activity involving restricted stock units (RSUs). On May 19, 2026, 26,963 RSUs granted on May 19, 2025 were cash settled at $6.88 per unit. According to the disclosure, no common shares were actually issued or disposed. Following these entries, he reports 251,399 common shares held directly and 10,000 common shares held indirectly by his spouse, indicating a routine equity compensation settlement without open-market buying or selling.
Eos Energy Enterprises director Gregory S. Nixon reported compensation-related activity involving restricted stock units. On May 19, 2026, previously granted RSUs were cash settled at $6.88 per unit, the closing price of the company’s common stock that day. Footnote disclosure states no shares were actually issued to Nixon and he did not dispose of any shares in connection with this settlement. Following these transactions, he holds 13,867 shares of common stock directly.
Eos Energy Enterprises director Marian Walters reported a mix of option exercises and share sales in common stock. Walters exercised restricted stock units and stock options covering a total of 30,792 shares, including 7,681 options at an exercise price of $1.18 per share, then sold 7,681 shares in an open-market transaction at a weighted average price of $7.07 per share, with trade prices ranging from $7.01 to $7.24. After these transactions, Walters holds 135,334 shares directly and 5,000 shares indirectly through the D. and M. Walters Family Trust.
Eos Energy Enterprises director David Urban exercised restricted stock units into common shares. On May 19, 2026, he converted 23,111 restricted stock units into 23,111 shares of common stock at a price of $0.00 per share. Following this transaction, he directly owns 85,582 shares of common stock, and the exercised RSUs now show a balance of zero in this filing. The activity reflects a derivative exercise with no reported open-market buying or selling.
Eos Energy Enterprises director David Urban bought additional company stock in the open market. On March 9, 2026, he purchased 16,250 shares of common stock at a weighted average price of $6.16 per share, with individual trade prices ranging from $6.15 to $6.16. Following this purchase, he directly owns 62,471 shares.
Eos Energy Enterprises Chief Executive Officer Joe Mastrangelo reported an open-market purchase of 23,900 shares of common stock at a price of $6.58 per share. Following this transaction, he directly owns a total of 1,487,126 shares of Eos Energy Enterprises common stock.
Eos Energy Enterprises director Alexander Dimitrief bought additional shares of the company’s common stock in the open market. On March 2, 2026, he purchased 15,000 shares at a price of $6.04 per share, increasing his direct holdings to 235,221 shares.
The filing also notes an additional 10,000 shares of common stock held indirectly by his spouse, reported as indirect ownership. This Form 4 highlights continued equity ownership by a board member through a meaningful open-market purchase.
Eos Energy Enterprises Chief Executive Officer Joe Mastrangelo purchased 60,000 shares of common stock in the open market. The transactions occurred on March 2, 2026 at a weighted average price of $5.75 per share, with individual trade prices ranging from $5.74 to $5.75. Following these purchases, he directly owns 1,463,226 common shares.
Eos Energy Enterprises Chief Legal Officer Michael W. Silberman reported automatic share transactions linked to restricted stock unit (RSU) vesting. On January 22, 2026, 83,334 RSUs were converted into the same number of common shares at $0 exercise price under the company’s 2020 Incentive Plan, with the RSUs scheduled to vest in three equal annual installments subject to continued service. On January 23, 2026, he sold 41,667 common shares at a weighted average price of $17.74 under a pre-established Rule 10b5-1 trading plan designed to cover estimated tax withholding obligations from this vesting. Following these transactions, Silberman beneficially owned 283,279 common shares directly and 83,333 RSUs, each RSU representing a right to receive one common share.