AMBIQ MICRO INC

Ticker: AMBQ CUSIP: 023193105 Class: COMMON STOCK

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 395,371 Value ($000) $11,268 Avg Close $28.65 Range $22.12 - $34.82

Q3 2025

Shares 436,154 Value ($000) $13,050 Avg Close $36.46 Range $28.83 - $51.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	395,371	$11,268	$28.65	$22.12 - $34.82
Q3 2025	436,154	$13,050	$36.46	$28.83 - $51.76