Harms Christopher

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
15 May 24	AMPL Amplitude	Class A Common Stock	Payment of exercise	Dispose F	No	No	9.49	32,064	304.29 k	833,853
15 Apr 24	AMPL Amplitude	Class A Common Stock	Grant	Acquire A	No	No	0	275,624	0.00	865,917
15 Feb 24	AMPL Amplitude	Class A Common Stock	Payment of exercise	Dispose F	No	No	14.26	18,040	257.25 k	590,293
15 Nov 23	AMPL Amplitude	Class A Common Stock	Payment of exercise	Dispose F	No	No	10.76	20,878	224.65 k	608,333
15 Aug 23	AMPL Amplitude	Class A Common Stock	Payment of exercise	Dispose F	No	No	11.37	11,759	133.70 k	629,211
15 Aug 23	AMPL Amplitude	Class A Common Stock	Grant	Acquire A	No	No	0	247,579	0.00	640,970
15 Aug 23	AMPL Amplitude	Employee Stock Option Class A Common Stock	Grant	Acquire A	No	No	6.52	143,788	937.50 k	143,788

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.