4

Changes in Ownership

Amplitude, Inc. Filed 2021-09-30 Acc 0001104659-21-121453

10% owner sold 1,000,000 shares at an average $51.50 ($51,495,780)

10% owner acquired 1,473,570 shares (conversion)
10% owner disposed of 2,000,000 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
Benchmark Capital Management Co. VIII, L.L.C. 10% owner	2021-09-28	Sale	−600,000	$50.00	$30,000,000	926,430	I
Benchmark Capital Management Co. VIII, L.L.C. 10% owner	2021-09-28	Sale	−200,000	$53.28	$10,655,260	726,430	I
Benchmark Capital Management Co. VIII, L.L.C. 10% owner	2021-09-28	Sale	−200,000	$54.20	$10,840,520	526,430	I
Benchmark Capital Management Co. VIII, L.L.C. 10% owner	2021-09-28	Conversion	+1,473,570			2,000,000	I
Benchmark Capital Management Co. VIII, L.L.C. 10% owner	2021-09-28	Other disposition	−2,000,000			0	I
Derivatives
Benchmark Capital Management Co. VIII, L.L.C. 10% owner	2021-09-28	Conversion · Class B Common Stock	−1,473,570			12,264,298	I
Open-market sales · 1,000,000 sh · avg $51.50 · $51,495,780