LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

FIRST BUSINESS FINANCIAL SERVICES, INC.'s Holding History (CIK: 0001521951)

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

Q4 2025

Shares 26,859 Value ($000) $4,598 Avg Close $155.36 Range $130.80 - $179.80

Q3 2025

Shares 26,211 Value ($000) $3,510 Avg Close $105.52 Range $90.61 - $133.99

Q2 2025

Shares 29,280 Value ($000) $2,850 Avg Close $78.86 Range $55.98 - $97.67

Q1 2025

Shares 31,433 Value ($000) $2,285 Avg Close $78.11 Range $70.01 - $90.89

Q4 2024

Shares 29,585 Value ($000) $2,137 Avg Close $74.98 Range $68.04 - $85.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	26,859	$4,598	$155.36	$130.80 - $179.80
Q3 2025	26,211	$3,510	$105.52	$90.61 - $133.99
Q2 2025	29,280	$2,850	$78.86	$55.98 - $97.67
Q1 2025	31,433	$2,285	$78.11	$70.01 - $90.89
Q4 2024	29,585	$2,137	$74.98	$68.04 - $85.51