MP MATERIALS CORP

Ticker: MP CUSIP: 553368101 Class: EQTY

Rossby Financial, LCC's Holding History (CIK: 0002056510)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 4,901 Value ($000) $248 Avg Close $63.41 Range $49.76 - $100.25

Q3 2025

Shares 5,750 Value ($000) $389 Avg Close $62.91 Range $29.58 - $82.50

Q2 2025

Shares 7,850 Value ($000) $261 Avg Close $25.52 Range $18.64 - $39.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,901	$248	$63.41	$49.76 - $100.25
Q3 2025	5,750	$389	$62.91	$29.58 - $82.50
Q2 2025	7,850	$261	$25.52	$18.64 - $39.10