AMPLITUDE INC

Ticker: AMPL CUSIP: 03213A104 Class: Common Stock

HighMark Wealth Management LLC's Holding History (CIK: 0001802451)

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

Q4 2025

Shares 160 Value ($000) $2 Avg Close $10.52 Range $9.31 - $12.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	160	$2	$10.52	$9.31 - $12.05