LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

TRUST CO OF OKLAHOMA's Holding History (CIK: 0001083323)

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

Q4 2025

Shares 15,427 Value ($000) $2,641 Avg Close $155.36 Range $130.80 - $179.80

Q3 2025

Shares 15,427 Value ($000) $2,066 Avg Close $105.52 Range $90.61 - $133.99

Q2 2025

Shares 15,934 Value ($000) $1,551 Avg Close $78.86 Range $55.98 - $97.67

Q1 2025

Shares 25,778 Value ($000) $1,874 Avg Close $78.11 Range $70.01 - $90.89

Q4 2024

Shares 25,778 Value ($000) $1,862 Avg Close $74.98 Range $68.04 - $85.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	15,427	$2,641	$155.36	$130.80 - $179.80
Q3 2025	15,427	$2,066	$105.52	$90.61 - $133.99
Q2 2025	15,934	$1,551	$78.86	$55.98 - $97.67
Q1 2025	25,778	$1,874	$78.11	$70.01 - $90.89
Q4 2024	25,778	$1,862	$74.98	$68.04 - $85.51