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Eos Energy Enterprises, Inc. (EOSE)

Eos Energy Enterprises, Inc. (EOSE) Insider Trading

Directors, officers and holders of more than 10% of EOSE report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 255 transactions on file: 2 with code P, 7 with code S and 41 with other codes.

DateInsiderCodeShares
Oct 29, 2026Buczkowski MichelleS Sale50,000
Oct 28, 2026Buczkowski MichelleM Exercise100,000
Oct 28, 2026Buczkowski MichelleM Exercise100,000
Sep 16, 2026Mastrangelo JoeS Sale250,000
Sep 16, 2026Puri SumeetS Sale43,750
Sep 14, 2026Song HaiyanP Purchase5,000
Sep 14, 2026Puri SumeetM Exercise87,500
Sep 14, 2026Mastrangelo JoeM Exercise500,000
Sep 14, 2026Puri SumeetM Exercise87,500
Sep 14, 2026Mastrangelo JoeA Award500,000
Sep 11, 2026Song HaiyanP Purchase10,000
Sep 9, 2026Puri SumeetS Sale34,167
Sep 5, 2026Puri SumeetM Exercise68,333
Sep 5, 2026Puri SumeetM Exercise68,333
Aug 24, 2026Buczkowski MichelleA Award195,130
Aug 24, 2026Lagi AlessandroA Award195,130
Aug 24, 2026Mastrangelo JoeA Award611,406
Aug 24, 2026Puri SumeetA Award65,044
Aug 4, 2026Cerberus GP Manager LLCA Award20,017,772
Jul 28, 2026Puri SumeetS Sale29,167
Jul 28, 2026Kroeker NathanS Sale110,417
Jul 27, 2026Mastrangelo JoeS Sale159,154
Jul 25, 2026Mastrangelo JoeM Exercise333,334
Jul 25, 2026Kroeker NathanM Exercise220,834
Jul 25, 2026Puri SumeetM Exercise58,334
Jul 25, 2026Puri SumeetM Exercise58,334
Jul 25, 2026Mastrangelo JoeM Exercise333,334
Jul 25, 2026Kroeker NathanM Exercise220,834
Jul 23, 2026Nigro JosephA Award5,942
Jul 23, 2026Walters MarianA Award5,942
Jul 23, 2026DIMITRIEF ALEXANDERA Award5,942
Jul 21, 2026Urban DavidM Exercise12,185
Jul 21, 2026Buczkowski MichelleM Exercise2,585
Jul 21, 2026Nigro JosephM Exercise2,773
Jul 21, 2026Mastrangelo JoeM Exercise111,118
Jul 21, 2026Walters MarianM Exercise11,407
Jul 21, 2026Urban DavidM Exercise5,347
Jul 21, 2026Demby ClaudeM Exercise1,825
Jul 21, 2026Bornstein Jeffrey SM Exercise9,558
Jul 21, 2026Mastrangelo JoeM Exercise48,758
Jul 21, 2026Nigro JosephM Exercise2,773
Jul 21, 2026Buczkowski MichelleM Exercise1,134
Jul 21, 2026DIMITRIEF ALEXANDERM Exercise603
Jul 21, 2026Bornstein Jeffrey SM Exercise9,558
Jul 21, 2026Mastrangelo JoeM Exercise111,118
Jul 21, 2026DIMITRIEF ALEXANDERM Exercise1,377
Jul 21, 2026Bornstein Jeffrey SM Exercise4,194
Jul 21, 2026DIMITRIEF ALEXANDERM Exercise7,853
Jul 21, 2026Kroeker NathanM Exercise16,944
Jul 21, 2026Walters MarianM Exercise11,407

The full Form 4 history is on the EOSE company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.