AMPLITUDE INC

Ticker: AMPL CUSIP: 03213A104 Class: Common Stock

Trustees of Columbia University in the City of New York's Holding History (CIK: 0001420995)

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

Q4 2023

Shares 12,410 Value ($000) $158 Avg Close $11.10 Range $9.66 - $13.45

Q2 2023

Shares 18,944 Value ($000) $208 Avg Close $10.78 Range $8.50 - $12.85

Q1 2023

Shares 37,888 Value ($000) $471 Avg Close $13.28 Range $10.97 - $16.95

Q4 2022

Shares 18,944 Value ($000) $0 Avg Close $14.16 Range $10.51 - $17.73

Q3 2021

Shares 24,821 Value ($000) $1,349 Avg Close $54.38 Range $50.00 - $54.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	12,410	$158	$11.10	$9.66 - $13.45
Q2 2023	18,944	$208	$10.78	$8.50 - $12.85
Q1 2023	37,888	$471	$13.28	$10.97 - $16.95
Q4 2022	18,944	$0	$14.16	$10.51 - $17.73
Q3 2021	24,821	$1,349	$54.38	$50.00 - $54.90