ROSENTHAL MICHAEL STUART

PrivateCIK: 1832050
Location

LAS VEGAS, NV

ROSENTHAL MICHAEL STUART (Chief Operating Officer) sold 10.5% of their position (150K shares) of MP MATERIALS CORP. / DE on the open market

Open‑market sale worth $10.80M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderROSENTHAL MICHAEL STUARTCIK 1832050
IssuerMP MATERIALS CORP. / DECIK 1801368
Officer· Chief Operating Officer
Since Nov 2020
-150K
Net shares
Net seller
$10.80M
Total sold
3
Open market trades
0B · 3S
3
Total transactions
150K disposed
Non-Derivative Transactions3

Common Stock

Direct
S · Sale

Shares

83.87K

Price / share

$71.48

Trade value

$6M

% of position

5.8%
8/29/2025
1.43M1.35M

Common Stock

Direct
S · Sale

Shares

52.06K

Price / share

$72.56

Trade value

$3.78M

% of position

3.9%
8/29/2025
1.35M1.30M

Common Stock

Direct
S · Sale

Shares

14.06K

Price / share

$73.23

Trade value

$1.03M

% of position

1.1%
8/29/2025
1.30M1.28M
Total

Net shares

150K

Net value

-$10.80M

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned126.62K
Total
126.62K indirect126.62K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
ROSENTHAL MICHAEL STUART — Insider Transaction (Form 4) Filed Aug 29, 2025 | Finecho