Insider Transactions Reported by 27 Insiders of Eos Energy Enterprises, Inc.

Symbol
EOSE on Nasdaq
Location
Edison, NJ

Insiders trading volume in the past year

Eos Energy Enterprises, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Russell Monoki Stidolph Director $36,781,582 -$11,471,766 -24% 05 Dec 2025
Joe Mastrangelo Chief Executive Officer, Director $11,705,289 -$2,968,162 -20% 04 Mar 2026
Nathan Kroeker CCO and Interim CFO $11,210,692 -$2,799,055 -20% 23 Jan 2026
BRC Group Holdings, Inc. 10%+ Owner $6,285,247 01 Aug 2022
Michael W. Silberman Chief Legal Officer $5,462,037 -$1,821,454 -25% 22 Jan 2026
Jeff McNeil Director $5,116,897 04 Dec 2025
Dr. Krishna Singh Director $3,018,286 09 Apr 2021
Eric M. Javidi Chief Financial Officer $2,813,937 05 Mar 2025
Wood River Capital, LLC Former 10% Owner $2,741,322 28 Feb 2023
Marian Walters Director $2,367,258 -$1,185,500 -33% 22 Dec 2025
Jeffrey S. Bornstein Director $1,967,092 -$612,536 -24% 04 Dec 2025
ALEXANDER DIMITRIEF Director $1,705,476 -$179,400 -9.5% 02 Mar 2026
Sumeet Puri Chief Accounting Officer $1,452,136 -$640,194 -31% 05 Sep 2025
Claude Demby Director $1,135,031 19 May 2025
Michelle Buczkowski Chief Administration Officer $544,134 02 Dec 2025
David Urban Director $505,920 +$100,100 +25% 09 Mar 2026
Randall B. Gonzales Chief Financial Officer $410,980 11 Jan 2023
Joseph Nigro Director $410,819 22 Dec 2025
Melissa Berube General Counsel $178,709 27 Jan 2024
Audrey Ann Zibelman Director $118,292 30 Apr 2024
Sagar Kurada Chief Financial officer $72,294 03 Jan 2022
John J. Tedone Chief Accounting Officer $60,676 14 Feb 2023
Daniel Shribman Former Director $39,737 08 Nov 2022
Cerberus Capital Management II, L.P. Director, 10%+ Owner 23 Jan 2025
Gregory S. Nixon Director 19 May 2025
SPRING CREEK CAPITAL LLC 10%+ Owner 02 May 2022
Nicholas P. Robinson Director 21 Jun 2024

Recent Insider Transactions by Companies or Individuals for Eos Energy Enterprises, Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
David Urban EOSE Common Stock Purchase 35.2% $100,100 $6.16 16,250 62,471 09 Mar 2026 Direct
Joe Mastrangelo EOSE Common Stock Purchase 1.63% $157,262 $6.58 23,900 1,487,126 04 Mar 2026 Direct
ALEXANDER DIMITRIEF EOSE Common Stock Purchase 6.81% $90,600 $6.04 15,000 235,221 02 Mar 2026 Direct
Joe Mastrangelo EOSE Common Stock Purchase 4.28% $345,000 $5.75 60,000 1,463,226 02 Mar 2026 Direct
Nathan Kroeker EOSE Common Stock Sale -7.02% $802,000 $16.04 -50,000 662,512 26 Jan 2026 Direct
Nathan Kroeker EOSE Common Stock Options Exercise 16.3% 100,000 712,512 23 Jan 2026 Direct
Nathan Kroeker EOSE Restricted Stock Units Options Exercise -100% -100,000 0 23 Jan 2026 Direct
Michael W. Silberman EOSE Common Stock Sale -12.8% $739,173 $17.74 -41,667 283,279 23 Jan 2026 Direct
Michael W. Silberman EOSE Common Stock Options Exercise 34.5% 83,334 324,946 22 Jan 2026 Direct
Michael W. Silberman EOSE Restricted Stock Units Options Exercise -50% -83,334 83,333 22 Jan 2026 Direct
Marian Walters EOSE Restricted Stock Units Award 1,782 1,782 22 Dec 2025 Direct
Joseph Nigro EOSE Restricted Stock Units Award 3,565 3,565 22 Dec 2025 Direct
Russell Monoki Stidolph EOSE Common Stock Sale -39.3% $3,515,981 $14.89 -236,135 364,355 08 Dec 2025 Direct
Russell Monoki Stidolph EOSE Common Stock Tax liability -14.2% -60,304 365,123 08 Dec 2025 Direct
Russell Monoki Stidolph EOSE Common Stock Options Exercise 88.9% 296,439 630,006 08 Dec 2025 Direct
Russell Monoki Stidolph EOSE Common Stock Sale -1.39% $460,785 $15.36 -29,999 2,123,273 08 Dec 2025 See footnote
Russell Monoki Stidolph EOSE Stock Option (Right to Buy) Options Exercise -100% -296,439 0 08 Dec 2025 Direct
Russell Monoki Stidolph EOSE Common Stock Gift -17.1% -75,000 364,355 05 Dec 2025 Direct
Russell Monoki Stidolph EOSE Common Stock Other 20.6% 75,000 439,355 05 Dec 2025 Direct
Russell Monoki Stidolph EOSE Common Stock Other -3.53% -75,000 2,048,273 05 Dec 2025 See footnote
Russell Monoki Stidolph EOSE Common Stock Sale -18.8% $7,495,000 $14.99 -500,000 2,153,272 05 Dec 2025 See footnote
ALEXANDER DIMITRIEF EOSE Common Stock Tax liability -7.44% -17,704 220,221 05 Dec 2025 Direct
ALEXANDER DIMITRIEF EOSE Common Stock Options Exercise 8.42% 18,473 237,925 05 Dec 2025 Direct
ALEXANDER DIMITRIEF EOSE Stock Option (Right to Buy) Options Exercise -100% -18,473 0 05 Dec 2025 Direct
Jeffrey S. Bornstein EOSE Common Stock Sale -21.8% $486,536 $15.05 -32,328 115,759 05 Dec 2025 Direct
Jeff McNeil EOSE Common Stock Gift -13.9% -16,000 99,179 04 Dec 2025 Direct
Jeffrey S. Bornstein EOSE Common Stock Sale -100% $126,000 $15.75 -8,000 0 04 Dec 2025 By Whipstick Ventures LLC
Marian Walters EOSE Common Stock Sale -27% $790,500 $15.81 -50,000 135,334 04 Dec 2025 Direct
Marian Walters EOSE Common Stock Tax liability -11.1% -16,933 135,334 04 Dec 2025 Direct
Marian Walters EOSE Common Stock Options Exercise 58.6% 68,473 185,334 04 Dec 2025 Direct
Marian Walters EOSE Stock Option (Right to Buy) Options Exercise -100% -68,473 0 04 Dec 2025 Direct
Michelle Buczkowski EOSE Restricted Stock Units Award 234,742 234,742 02 Dec 2025 Direct
Sumeet Puri EOSE Common Stock Sale -19.8% $288,097 $7.11 -40,501 164,290 08 Sep 2025 Direct
Sumeet Puri EOSE Common Stock Options Exercise 50.1% 68,334 204,791 05 Sep 2025 Direct
Sumeet Puri EOSE Restricted Stock Units Options Exercise -50% -68,334 68,333 05 Sep 2025 Direct
Marian Walters EOSE Common Stock Sale -27.2% $395,000 $7.90 -50,000 133,794 03 Sep 2025 Direct
ALEXANDER DIMITRIEF EOSE Common Stock Sale -17% $270,000 $6.00 -45,000 219,452 04 Aug 2025 Direct
Joe Mastrangelo EOSE Common Stock Sale -10.6% $990,002 $5.94 -166,667 1,403,226 29 Jul 2025 Direct
Nathan Kroeker EOSE Common Stock Sale -14% $590,288 $5.94 -99,375 612,512 29 Jul 2025 Direct
Michael W. Silberman EOSE Common Stock Sale -21.4% $389,812 $5.94 -65,625 241,612 29 Jul 2025 Direct
Sumeet Puri EOSE Common Stock Sale -11.4% $103,950 $5.94 -17,500 136,457 29 Jul 2025 Direct
Joe Mastrangelo EOSE Common Stock Options Exercise 27% 333,333 1,569,893 25 Jul 2025 Direct
Joe Mastrangelo EOSE Restricted Stock Units Options Exercise -33.3% -333,333 666,667 25 Jul 2025 Direct
Nathan Kroeker EOSE Common Stock Options Exercise 45% 220,833 711,887 25 Jul 2025 Direct
Nathan Kroeker EOSE Restricted Stock Units Options Exercise -33.3% -220,833 441,667 25 Jul 2025 Direct
Michael W. Silberman EOSE Common Stock Options Exercise 90.4% 145,833 307,237 25 Jul 2025 Direct
Michael W. Silberman EOSE Restricted Stock Units Options Exercise -33.3% -145,833 291,667 25 Jul 2025 Direct
Sumeet Puri EOSE Common Stock Options Exercise 61% 58,333 153,957 25 Jul 2025 Direct
Sumeet Puri EOSE Restricted Stock Units Options Exercise -33.3% -58,333 116,667 25 Jul 2025 Direct
Nathan Kroeker EOSE Common Stock Sale -8.78% $232,490 $4.92 -47,254 491,054 08 Jul 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.