MASTRANGELO JOE

PrivateCIK: 1833309
Location

FRANKLIN TOWNSHIP, NJ

MASTRANGELO JOE (Chief Executive Officer) purchased 1.6% of their position (23.90K shares) of EOS ENERGY ENTERPRISES, INC. on the open market

Open‑market purchase worth $157.3K — a small addition. The strongest form of insider conviction signal.

P · 1 purchase
InsiderMASTRANGELO JOECIK 1833309
DirectorOfficer· Chief Executive Officer
Since Nov 2020
+23.90K
Net shares
Net buyer
$157.3K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
23.90K acquired
Non-Derivative Transactions1

Common Stock

Direct
P · Purchase

Shares

+23.90K

Price / share

$6.58

Trade value

$157.26K

% of position

1.6%
3/4/2026
1.46M1.49M
Total

Net shares

+23.90K

Net value

$157.26K

Derivative Transactions0
No derivative transactions reported
MASTRANGELO JOE — Insider Transaction (Form 4) Filed Mar 5, 2026 | Finecho