AMPLITUDE INC

Ticker: AMPL CUSIP: 03213A104 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2025

Shares 13,649 Value ($000) $146 Avg Close $11.86 Range $10.59 - $14.49

Q1 2025

Shares 3,621 Value ($000) $37 Avg Close $11.81 Range $10.05 - $14.88

Q4 2023

Shares 4,357 Value ($000) $55 Avg Close $11.10 Range $9.66 - $13.45

Q3 2023

Shares 6,621 Value ($000) $77 Avg Close $11.57 Range $10.35 - $12.82

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	13,649	$146	$11.86	$10.59 - $14.49
Q1 2025	3,621	$37	$11.81	$10.05 - $14.88
Q4 2023	4,357	$55	$11.10	$9.66 - $13.45
Q3 2023	6,621	$77	$11.57	$10.35 - $12.82