WALTERS MARIAN

PrivateCIK: 1782905
Location

WOODLAND HILLS, CA

WALTERS MARIAN sold 12.3% of their position (22.32K shares) of EOS ENERGY ENTERPRISES, INC. on the open market

Open‑market sale worth $160.7K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderWALTERS MARIANCIK 1782905
Director
Since Nov 2020
-22.32K
Net shares
Net seller
$160.7K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
22.32K acquired · 44.64K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+22.32K

Price / share

$1.18

Trade value

$26.34K

% of position

14.1%
5/20/2026
158.44K180.76K

Common Stock

Direct
S · Sale

Shares

22.32K

Price / share

$7.20

Trade value

$160.70K

% of position

12.3%
5/20/2026
180.76K158.44K
Total

Net shares

+0.00

Net value

-$134.36K

Derivative Transactions1

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

22.32K shares

Shares

22.32K

Strike price

1.18

Held after

65.02K

Exercisable

5/20/2026
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned5K
Total
5K indirect5K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
WALTERS MARIAN — Insider Transaction (Form 4) Filed May 22, 2026 | Finecho