AMPLITUDE INC

Ticker: AMPL CUSIP: 03213A104 Class: Common Stock

GAGNON SECURITIES LLC's Holding History (CIK: 0001125725)

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

Q4 2025

Shares 698,870 Value ($000) $8,093 Avg Close $10.52 Range $9.31 - $12.05

Q3 2025

Shares 510,731 Value ($000) $5,475 Avg Close $11.86 Range $10.59 - $14.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	698,870	$8,093	$10.52	$9.31 - $12.05
Q3 2025	510,731	$5,475	$11.86	$10.59 - $14.49