Joe Mastrangelo Insider Trades & Stock Holdings

Chief Executive Officer · Eos Energy Enterprises, Inc. · Latest filing Jun 30, 2026

Joe Mastrangelo, Chief Executive Officer at Eos Energy Enterprises, Inc. has 4 Form 4 trades on file since Jun 12, 2026. Latest filing: disposed of 60.70K shares of $EOSE on Jun 30, 2026 at $6.09.

Trades on file

4

Open-market bought

$0

Open-market sold

$0

Net open-market

$0

Latest filing

Jun 30, 2026

All insider trades by Joe Mastrangelo

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 30, 2026	$EOSE	Sell (Tax withholding)	60.70K	$6.09	$369.68K			-19.4%	-38.6%		Chief Executive Officer		Read
Jun 26, 2026	$EOSE	Buy (Option exercise)	130.57K	$0	—			-14.7%	-39.1%		Chief Executive Officer		Read
Jun 12, 2026	$EOSE	Sell (Tax withholding)	116.65K	$6.06	$706.87K			+21.1%	-28.2%		Chief Executive Officer		Read
Jun 12, 2026	$EOSE	Buy (Option exercise)	200K	$1.34	$268K			+21.1%	-28.2%		Chief Executive Officer		Read

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Joe Mastrangelo traded

• $EOSE

Frequently asked questions

What was Joe Mastrangelo's latest insider trade?

disposed of 60.70K shares of $EOSE on Jun 30, 2026 at $6.09.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.