MASTRANGELO JOE (Chief Executive Officer) sold 7.6% of their position (159.15K shares) of EOS ENERGY ENTERPRISES, INC. on the open market
Open‑market sale worth $574.5K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 7/28/2026ACC: 0001628280-26-050226
DirectorOfficer· Chief Executive Officer
Since Nov 2020
-159.15K
Net shares
Net seller
$574.5K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
333.33K acquired · 492.49K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+333.33K
Price / share
—
Trade value
—
% of position
18.8%
7/25/2026
1.77M→2.11M
Common Stock
Direct
Shares
−159.15K
Price / share
$3.61
Trade value
$574.55K
% of position
7.6%
7/27/2026
2.11M→1.95M
Total
Net shares
+174.18K
Net value
-$574.55K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 7/25/2026 | M · Option Exercise | +333.33K | — | — | 18.8% | 1.77M | 2.11M |
| Common Stock Direct | 7/27/2026 | S · Sale | −159.15K | $3.61 | $574.55K | 7.6% | 2.11M | 1.95M |
| Total | +174.18K | -$574.55K | ||||||
Derivative Transactions1
Restricted Stock Units
Direct
Converts to
Common Stock
333.33K shares
Shares
−333.33K
Strike price
Held after
333.33K
Exercisable
—
7/25/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock333.33K shares | 7/25/2026 | M · Option Exercise | −333.33K | — | 333.33K |