LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

Cornerstone Planning Group LLC's Holding History (CIK: 0001822587)

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

Q4 2025

Shares 328 Value ($000) $78 Avg Close $155.36 Range $130.80 - $179.80

Q3 2025

Shares 441 Value ($000) $71 Avg Close $105.52 Range $90.61 - $133.99

Q2 2025

Shares 461 Value ($000) $45 Avg Close $78.86 Range $55.98 - $97.67

Q1 2025

Shares 522 Value ($000) $35 Avg Close $78.11 Range $70.01 - $90.89

Q4 2024

Shares 420 Value ($000) $32 Avg Close $74.98 Range $68.04 - $85.51

Q3 2024

Shares 354 Value ($000) $28 Avg Close $85.67 Range $70.58 - $111.29

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	328	$78	$155.36	$130.80 - $179.80
Q3 2025	441	$71	$105.52	$90.61 - $133.99
Q2 2025	461	$45	$78.86	$55.98 - $97.67
Q1 2025	522	$35	$78.11	$70.01 - $90.89
Q4 2024	420	$32	$74.98	$68.04 - $85.51
Q3 2024	354	$28	$85.67	$70.58 - $111.29