LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

Mattson Financial Services, LLC's Holding History (CIK: 0002034595)

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

Q4 2025

Shares 16,981 Value ($000) $2,907 Avg Close $155.36 Range $130.80 - $179.80

Q3 2025

Shares 25,494 Value ($000) $3,414 Avg Close $105.52 Range $90.61 - $133.99

Q2 2025

Shares 24,809 Value ($000) $2,415 Avg Close $78.86 Range $55.98 - $97.67

Q1 2025

Shares 23,569 Value ($000) $1,713 Avg Close $78.11 Range $70.01 - $90.89

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16,981	$2,907	$155.36	$130.80 - $179.80
Q3 2025	25,494	$3,414	$105.52	$90.61 - $133.99
Q2 2025	24,809	$2,415	$78.86	$55.98 - $97.67
Q1 2025	23,569	$1,713	$78.11	$70.01 - $90.89