AMBIQ MICRO INC

Ticker: AMBQ CUSIP: 023193105 Class: COMMON STOCK

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 33,833 Value ($000) $964 Avg Close $28.65 Range $22.12 - $34.82

Q3 2025

Shares 30,852 Value ($000) $923 Avg Close $36.46 Range $28.83 - $51.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	33,833	$964	$28.65	$22.12 - $34.82
Q3 2025	30,852	$923	$36.46	$28.83 - $51.76