AMPLITUDE INC

Ticker: AMPL CUSIP: 03213A104 Class: Common Stock

Gagnon Advisors, LLC's Holding History (CIK: 0001599466)

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

Q4 2025

Shares 457,212 Value ($000) $5,295 Avg Close $10.52 Range $9.31 - $12.05

Q3 2025

Shares 352,991 Value ($000) $3,784 Avg Close $11.86 Range $10.59 - $14.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	457,212	$5,295	$10.52	$9.31 - $12.05
Q3 2025	352,991	$3,784	$11.86	$10.59 - $14.49