Arkolith/Insider Trading/MP/Form 4

Rosenthal Michael Stuart

Chief Operating OfficerMP Materials Corp. / DE (MP) · full profile →Form 4 · filed Jan 14, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
4
4 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 13, 2026Tax withholding(F)9K$63.82$580K1.3M
Jan 12, 2026Tax withholding(F)11K$65.34$694K1.3M
Jan 12, 2026Grant(A)18K—$01.3M
Jan 12, 2026Grant(A)34K—$01.3M

Transaction Codes

F
Shares withheld for taxes
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001832050-26-000003) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML