Joe Mastrangelo Eos Energy Enterprises, Inc. (EOSE) insider trading activity

Joe Mastrangelo is Chief Executive Officer of Eos Energy Enterprises, Inc.. Currently has a direct ownership of 1.4 Million shares of EOSE, which is worth approximately $8.94 Million. The most recent transaction as insider was on Jul 29, 2025, when has been sold 166,667 shares (Common Stock) at a price of $5.94 per share, resulting in proceeds of $990,001. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 1.4M

1.7% 3M change

54.24% 12M change

Total Value Held $8.94 Million

Joe Mastrangelo Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jul 29 2025	SELL Open market or private sale	$990,001 $5.94 p/Share	166,667 Reduced 10.62%	1,403,226 Common Stock
Jul 25 2025	BUY Exercise of conversion of derivative security	-	333,333 Added 17.51%	1,569,893 Common Stock
Jul 08 2025	SELL Open market or private sale	$625,587 $4.92 p/Share	127,152 Reduced 9.32%	1,236,560 Common Stock
Jul 05 2025	BUY Exercise of conversion of derivative security	-	254,303 Added 15.72%	1,363,712 Common Stock
May 16 2025	SELL Open market or private sale	$1,854,834 $6.86 p/Share	270,384 Reduced 19.6%	1,109,409 Common Stock
May 08 2025	BUY Exercise of conversion of derivative security	-	470,000 Added 25.41%	1,379,793 Common Stock
Aug 09 2024	BUY Open market or private purchase	$75,504 $1.43 p/Share	52,800 Added 5.49%	909,793 Common Stock
Jul 05 2024	SELL Payment of exercise price or tax liability	$222,111 $1.92 p/Share	115,683 Reduced 11.89%	856,993 Common Stock
Jul 05 2024	BUY Exercise of conversion of derivative security	-	254,304 Added 20.73%	972,676 Common Stock
Jan 03 2024	SELL Payment of exercise price or tax liability	$121,202 $0.99 p/Share	122,427 Reduced 14.56%	718,372 Common Stock
Jan 03 2024	BUY Exercise of conversion of derivative security	-	250,000 Added 22.92%	840,799 Common Stock
Sep 21 2023	BUY Open market or private purchase	$74,825 $2.05 p/Share	36,500 Added 5.82%	590,799 Common Stock
Jul 28 2023	BUY Open market or private purchase	$69,573 $2.23 p/Share	31,199 Added 5.33%	554,299 Common Stock
Jan 03 2023	SELL Payment of exercise price or tax liability	$177,652 $1.36 p/Share	130,627 Reduced 19.98%	523,100 Common Stock
Jan 03 2023	BUY Exercise of conversion of derivative security	-	250,000 Added 27.66%	653,727 Common Stock
Nov 10 2022	BUY Open market or private purchase	$74,750 $1.15 p/Share	65,000 Added 13.87%	403,727 Common Stock
May 12 2022	BUY Open market or private purchase	$98,000 $1.4 p/Share	70,000 Added 17.13%	338,727 Common Stock
Mar 01 2022	BUY Open market or private purchase	$100,800 $2.88 p/Share	35,000 Added 11.52%	268,727 Common Stock
Jan 03 2022	SELL Payment of exercise price or tax liability	$728,224 $7.6 p/Share	95,819 Reduced 29.08%	233,727 Common Stock
Jan 03 2022	BUY Exercise of conversion of derivative security	-	250,000 Added 43.14%	329,546 Common Stock
Feb 11 2021	BUY Grant, award, or other acquisition	-	5,015 Added 5.93%	79,546 Common Stock
Nov 18 2020	BUY Exercise of conversion of derivative security	-	74,531 Added 50.0%	74,531 Common Stock

Joe Mastrangelo

Chief Executive Officer

Edison, NJ

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