InsiderTrades

Form 4 for MP MP Materials Corp. / DE

Accepted 2026-06-15 20:02:19 ET · period of report 2026-06-15 · accession 0001031609-26-000004 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-06-15 20:02 2026-06-15 MP WEISENBURGER RANDALL J Dir M - OptEx — +3,998 150.9K +3% —
D 2026-06-15 20:02 2026-06-15 MP WEISENBURGER RANDALL J Dir M - OptEx $0.00 -3,998 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-15 M A 3,998 — 150,899 D — — (F1) Restricted stock units convert into common stock on a one-for-one basis.
2 Derivative Restricted Stock Units 2026-06-15 M D 3,998 $0.00 0 D — · — to — 3,998 Common Stock (F1) Restricted stock units convert into common stock on a one-for-one basis. (F2) On November 17, 2020, the reporting person was granted 3,998 restricted stock units, which vested on June 1, 2021, and the reporting person's receipt of the shares of common stock was deferred until June 15, 2026. (F2) On November 17, 2020, the reporting person was granted 3,998 restricted stock units, which vested on June 1, 2021, and the reporting person's receipt of the shares of common stock was deferred until June 15, 2026.