AMPLITUDE INC

Ticker: AMPL CUSIP: 03213A104 Class: Common Stock

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q2 2025

Shares 275,000 Value ($000) $3,410 Avg Close $10.82 Range $7.55 - $13.34

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	275,000	$3,410	$10.82	$7.55 - $13.34