MASTRANGELO JOE

PrivateCIK: 1833309
Location

FRANKLIN TOWNSHIP, NJ

MASTRANGELO JOE (Chief Executive Officer) purchased 4.3% of their position (60K shares) of EOS ENERGY ENTERPRISES, INC. on the open market

Open‑market purchase worth $345.0K — a small addition. The strongest form of insider conviction signal.

P · 1 purchase
InsiderMASTRANGELO JOECIK 1833309
DirectorOfficer· Chief Executive Officer
Since Nov 2020
+60K
Net shares
Net buyer
$345.0K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
60K acquired
Non-Derivative Transactions1

Common Stock

Direct
P · Purchase

Shares

+60K

Price / share

$5.75

Trade value

$345K

% of position

4.3%
3/2/2026
1.40M1.46M
Total

Net shares

+60K

Net value

$345K

Derivative Transactions0
No derivative transactions reported
MASTRANGELO JOE — Insider Transaction (Form 4) Filed Mar 3, 2026 | Finecho