LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

FIRST AMERICAN TRUST, FSB's Holding History (CIK: 0000036066)

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

Q4 2025

Shares 30,376 Value ($000) $5,200 Avg Close $155.36 Range $130.80 - $179.80

Q3 2025

Shares 30,406 Value ($000) $4,072 Avg Close $105.52 Range $90.61 - $133.99

Q2 2025

Shares 30,481 Value ($000) $2,967 Avg Close $78.86 Range $55.98 - $97.67

Q1 2025

Shares 43,647 Value ($000) $3,173 Avg Close $78.11 Range $70.01 - $90.89

Q4 2024

Shares 30,742 Value ($000) $2,221 Avg Close $74.98 Range $68.04 - $85.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30,376	$5,200	$155.36	$130.80 - $179.80
Q3 2025	30,406	$4,072	$105.52	$90.61 - $133.99
Q2 2025	30,481	$2,967	$78.86	$55.98 - $97.67
Q1 2025	43,647	$3,173	$78.11	$70.01 - $90.89
Q4 2024	30,742	$2,221	$74.98	$68.04 - $85.51