JM
Insider
Joe Mastrangelo
Chief Executive OfficerJoe Mastrangelo (Chief Executive Officer) filed 3 Form 4 reports in the trailing twelve months (2 purchases, 1 sale), most often in Eos Energy Enterprises, Inc. (EOSE). Across 2 priced purchase filings, the average 21-session return was -19.7% from execution and -19.6% from disclosure (delay-adjusted; derived). The largest single filing was $575K of EOSE (159,154 sh × $3.61, as filed), executed Jul 27.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
-19.7%
avg across 2 priced filings
Delay-adjustediThe same average, entered at disclosure dates
-19.6%
same 2 filings, from disclosure
Filings, ttm
3
2 buys · 1 sells
Median delay
1d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.1M
shares × price, as filed
Last traded
Jul 27
Filed Jul 28
Median ADV $93.2M across their filed names
Open performance→Volume by month
Buys $502K
Sells $4.0M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Industrials
3 filings
Sector per market data · by filing · past 12 months
Most traded names
EOSERecent filings
EOSESALE
Eos Energy Enterprises, Inc.
View filing →
$575K159,154 sh × $3.61
Exec Jul 27
Filed Jul 28 · 5:02 PM ET EOSEPURCHASE Eos Energy Enterprises, Inc. View filing → $157K
23,900 sh × $6.58
Exec Mar 4
Filed Mar 5 · 8:48 AM ET EOSEPURCHASE Eos Energy Enterprises, Inc. View filing → $345K
60,000 sh × $5.75
Exec Mar 2
Filed Mar 3 · 9:00 AM ET EOSESALE Eos Energy Enterprises, Inc. View filing → $990K
166,667 sh × $5.94
Exec Jul 29 2025
Filed Jul 29 2025 · 5:30 PM ET EOSESALE Eos Energy Enterprises, Inc. View filing → $626K
127,152 sh × $4.92
Exec Jul 8 2025
Filed Jul 8 2025 · 5:30 PM ET EOSESALE Eos Energy Enterprises, Inc. View filing → $1.9M
270,384 sh × $6.86
Exec May 16 2025
Filed May 16 2025 · 5:30 PM ET