MASTRANGELO JOE

PrivateCIK: 1833309
Location

PITTSBURGH, PA

MASTRANGELO JOE (Chief Executive Officer) exercised options at EOS ENERGY ENTERPRISES, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderMASTRANGELO JOECIK 1833309
DirectorOfficer· Chief Executive Officer
Since Nov 2020
-121.25K
Net shares
Net seller
$613.5K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
254.30K acquired · 375.55K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+254.30K

Price / share

Trade value

% of position

15.5%
7/5/2026
1.64M1.89M

Common Stock

Direct
F · Tax Withholding

Shares

121.25K

Price / share

$5.06

Trade value

$613.50K

% of position

6.4%
7/6/2026
1.89M1.77M
Total

Net shares

+133.06K

Net value

-$613.50K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

254.30K shares

Shares

254.30K

Strike price

Held after

0.00

Exercisable

7/5/2026