AMPLITUDE INC

Ticker: AMPL CUSIP: 03213A104 Class: Common Stock

SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC's Holding History (CIK: 0001638555)

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

Q3 2025

Shares 491,000 Value ($000) $5,264 Avg Close $11.86 Range $10.59 - $14.49

Q2 2025

Shares 225,000 Value ($000) $2,790 Avg Close $10.82 Range $7.55 - $13.34

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	491,000	$5,264	$11.86	$10.59 - $14.49
Q2 2025	225,000	$2,790	$10.82	$7.55 - $13.34