AMPLITUDE INC

Ticker: AMPL CUSIP: 03213A104 Class: Common Stock

Quarry LP's Holding History (CIK: 0001965207)

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

Q3 2025

Shares 2,949 Value ($000) $32 Avg Close $11.86 Range $10.59 - $14.49

Q1 2025

Shares 853 Value ($000) $9 Avg Close $11.81 Range $10.05 - $14.88

Q4 2024

Shares 655 Value ($000) $7 Avg Close $10.01 Range $8.36 - $12.12

Q2 2024

Shares 2,030 Value ($000) $18 Avg Close $9.39 Range $8.12 - $10.94

Q2 2023

Shares 1,030 Value ($000) $11 Avg Close $10.78 Range $8.50 - $12.85

Q4 2022

Shares 1,512 Value ($000) $18 Avg Close $14.16 Range $10.51 - $17.73

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	2,949	$32	$11.86	$10.59 - $14.49
Q1 2025	853	$9	$11.81	$10.05 - $14.88
Q4 2024	655	$7	$10.01	$8.36 - $12.12
Q2 2024	2,030	$18	$9.39	$8.12 - $10.94
Q2 2023	1,030	$11	$10.78	$8.50 - $12.85
Q4 2022	1,512	$18	$14.16	$10.51 - $17.73