Eos Energy Enterprises Ownership & Insider Activity

Eos Energy Enterprises (EOSE) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.6% of shares outstanding. Institutional investors hold 29.1%. Over the past 90 days, insiders made 1 purchase worth $59K.

Shares Outstanding

364.168M

Shares Float

360.618M

Insider Shares Owned

5.854M

Insider % Owned

1.6%

Institutional Shares Held

105.816M

Institutional % Held

29.1%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$59K total

Sales (90d)

Net Activity

Net Buying

Net Value (90d)

$59K

Eos Energy Enterprises Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 14, 2026	Sumeet Puri	CHIEF ACCOUNTING OFFICER	SELL-OPTIONS	43.750K	$3.92	$172K
Sep 14, 2026	Joe Mastrangelo	CHIEF EXECUTIVE OFFICER	GRANT	250.000K	$3.92	$980K
Sep 11, 2026	Haiyan Song	DIRECTOR	BUY	15.000K	$3.91	$59K
Sep 5, 2026	Sumeet Puri	CHIEF ACCOUNTING OFFICER	SELL-OPTIONS	34.166K	$4.13	$141K
Jul 25, 2026	Sumeet Puri	CHIEF ACCOUNTING OFFICER	SELL-OPTIONS	29.167K	$3.36	$98K
Jul 25, 2026	Nathan Kroeker	CHIEF COMMERCIAL OFFICER	SELL-OPTIONS	110.417K	$3.36	$371K
Jul 25, 2026	Joe Mastrangelo	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	174.180K	$3.61	$575K
Jul 3, 2026	Nathan Kroeker	CCO AND INTERIM CFO	SELL-OPTIONS	79.309K	$4.68	$371K
Jun 26, 2026	Sumeet Puri	CHIEF ACCOUNTING OFFICER	SELL-OPTIONS	8.822K	$5.86	$52K
Jun 26, 2026	Michelle Buczkowski	CHIEF ADMINISTRATION OFFICER	SELL-OPTIONS	11.469K	$5.87	$67K
Jun 26, 2026	Michael Silberman	CHIEF LEGAL OFFICER	SELL-OPTIONS	14.998K	$5.87	$88K
Jun 26, 2026	Nathan Kroeker	CCO AND INTERIM CFO	SELL-OPTIONS	35.289K	$5.86	$207K
May 28, 2026	Marian Walters	DIRECTOR	SELL-OPTIONS	—	$5.18	$240K
May 20, 2026	Marian Walters	DIRECTOR	SELL-OPTIONS	—	$4.19	$134K
May 19, 2026	Marian Walters	DIRECTOR	SELL-OPTIONS	23.111K	$4.13	$45K