AMPLITUDE INC

Ticker: AMPL CUSIP: 03213A104 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q1 2025

Shares 8,715 Value ($000) $0 Avg Close $11.81 Range $10.05 - $14.88

Q2 2024

Shares 2,184 Value ($000) $0 Avg Close $9.39 Range $8.12 - $10.94

Q2 2023

Shares 1,691 Value ($000) $0 Avg Close $10.78 Range $8.50 - $12.85

Q1 2023

Shares 1,348 Value ($000) $0 Avg Close $13.28 Range $10.97 - $16.95

Q2 2022

Shares 9,790 Value ($000) $139 Avg Close $17.54 Range $13.42 - $21.50

Q1 2022

Shares 23,266 Value ($000) $428 Avg Close $30.37 Range $15.17 - $53.73

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	8,715	$0	$11.81	$10.05 - $14.88
Q2 2024	2,184	$0	$9.39	$8.12 - $10.94
Q2 2023	1,691	$0	$10.78	$8.50 - $12.85
Q1 2023	1,348	$0	$13.28	$10.97 - $16.95
Q2 2022	9,790	$139	$17.54	$13.42 - $21.50
Q1 2022	23,266	$428	$30.37	$15.17 - $53.73