4

Changes in Ownership

Amplitude, Inc. Filed 2021-11-16 Acc 0001104659-21-140216

10% owner sold 32,455 shares at an average $71.33 ($2,315,127)

10% owner acquired 18,744 shares (other)

From the SEC's structured data for this filing

Trades in this filing

Insider	Date	Transaction	Shares	Price	Value	Owned after	D/I
SPURLOCK STEVEN M 10% owner	2021-11-15	Sale	−17	$67.71	$1,151	1,197	I
SPURLOCK STEVEN M 10% owner	2021-11-15	Sale	−144	$69.28	$9,976	1,053	I
SPURLOCK STEVEN M 10% owner	2021-11-15	Sale	−344	$70.37	$24,208	709	I
SPURLOCK STEVEN M 10% owner	2021-11-15	Sale	−372	$71.28	$26,518	337	I
SPURLOCK STEVEN M 10% owner	2021-11-15	Sale	−198	$72.36	$14,327	139	I
SPURLOCK STEVEN M 10% owner	2021-11-15	Sale	−139	$73.05	$10,153	0	I
SPURLOCK STEVEN M 10% owner	2021-11-12	Other acquisition	+18,744			31,241	I
SPURLOCK STEVEN M 10% owner	2021-11-15	Sale	−460	$68.44	$31,482	30,781	I
SPURLOCK STEVEN M 10% owner	2021-11-15	Sale	−1,663	$69.45	$115,501	29,118	I
SPURLOCK STEVEN M 10% owner	2021-11-15	Sale	−4,340	$70.53	$306,092	24,778	I
SPURLOCK STEVEN M 10% owner	2021-11-15	Sale	−14,011	$71.70	$1,004,570	10,767	I
SPURLOCK STEVEN M 10% owner	2021-11-15	Sale	−9,158	$71.33	$653,236	1,609	I
SPURLOCK STEVEN M 10% owner	2021-11-15	Sale	−1,609	$73.28	$117,912	0	I
Open-market sales · 32,455 sh · avg $71.33 · $2,315,127