Form 4 Tracker
Eos Energy Enterprises, Inc.
EOSE

60 insider filings · Latest: Sep 14, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Sep 22, 2026Sep 22 8:48 PMMichael Silberman
Proposed Sale
114,650$4.08$467.3K—

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Sep 16, 2026Sep 16 8:28 PMSumeet PuriChief Accounting Officer
Sale
43,750$3.92$171.5K280,195(D)

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Sep 16, 2026Sep 16 8:27 PMJoe MastrangeloDirector, Chief Executive Officer
Sale
250,000$3.92$980.0K2,308,704(D)

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Sep 16, 2026Sep 16 8:09 PMSilberman Michael W
Proposed Sale
109,375$4.15$453.9K—

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Sep 16, 2026Sep 16 8:07 PMKroeker Nathan
Proposed Sale
165,625$4.15$687.3K—

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Sep 16, 2026Sep 16 8:07 PMMastrangelo Joe
Proposed Sale
250,000$4.15$1.0M—

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Sep 16, 2026Sep 16 8:03 PMPuri Sumeet
Proposed Sale
43,750$4.15$181.6K—

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Sep 14, 2026Sep 15 12:56 PMHaiyan SongDirector
Purchase
5,000$3.84$19.2K15,000(D)

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Sep 11, 2026Sep 15 12:56 PMHaiyan SongDirector
Purchase
10,000$3.95$39.5K10,000(D)

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Sep 9, 2026Sep 9 10:05 PMSumeet PuriChief Accounting Officer
Sale
34,167$4.13$141.1K236,445(D)

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Sep 9, 2026Sep 9 8:11 PMPuri Sumeet
Proposed Sale
34,167$4.18$142.8K—

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Jul 28, 2026Jul 28 9:03 PMSumeet PuriChief Accounting Officer
Sale
29,167$3.36$98.0K202,279(D)

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Jul 28, 2026Jul 28 9:02 PMNathan KroekerChief Commercial Officer
Sale
110,417$3.36$371.0K887,527(D)

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Jul 27, 2026Jul 28 9:02 PMJoe MastrangeloDirector, Chief Executive Officer
Sale
159,154$3.61$574.5K1,947,586(D)

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Jul 28, 2026Jul 28 8:10 PMPuri Sumeet
Proposed Sale
29,167$3.43$100.0K—

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Jul 28, 2026Jul 28 8:07 PMSilberman Michael W
Proposed Sale
72,917$3.43$250.1K—

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Jul 28, 2026Jul 28 8:03 PMKroeker Nathan
Proposed Sale
110,417$3.43$378.7K—

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Jul 7, 2026Jul 7 9:20 PMNathan KroekerCCO and Interim CFO
Sale
79,309$4.68$371.2K777,110(D)

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Jul 7, 2026Jul 7 8:35 PMKroeker Nathan
Proposed Sale
79,309$5.20$412.4K—

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Jun 30, 2026Jun 30 9:07 PMSumeet PuriChief Accounting Officer
Sale
8,823$5.86$51.7K173,112(D)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
May 19, 2026May 19 11:27 PMGregory S. NixonDirector
Option Exercise
23,111—0(D)

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May 19, 2026May 19 11:25 PMMarian WaltersDirector
Option Exercise
30,792$1.1887,337(D)

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May 19, 2026May 19 11:22 PMDavid UrbanDirector
Option Exercise
23,111—0(D)

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Jan 23, 2026Jan 26 9:52 PMNathan KroekerCCO and Interim CFO
Option Exercise
100,000—0(D)

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Jan 22, 2026Jan 23 9:34 PMMichael W SilbermanChief Legal Officer
Option Exercise
83,334—83,333(D)

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