Amplitude Inc

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Amplitude Inc
CIK #0001866692
EDGAR Form CIK 2011 - 2026
10-K [0001866692]
10-Q [0001866692]
3 [0001866692]
4 [0001866692]
5 [0001866692]
8-K [0001866692]
D [0001866692]
SC 13D [0001866692]
SC 13G [0001866692]
Form 13D/13G Filer Form 13D/13G Subject Filed
Vanguard Portfolio Management LLC Amplitude Inc [2026-04-28]
Wellington Management Group LLP Amplitude Inc [2026-04-07]
Wellington Management Group LLP Amplitude Inc [2026-04-07]
AllianceBernstein LP Amplitude Inc [2025-11-14]
T Rowe Price Investment Management Inc Amplitude Inc [2024-02-14]
FMR LLC Amplitude Inc [2024-02-09]
BlackRock Inc Amplitude Inc [2024-01-29]
Soma Equity Partners LP Amplitude Inc [2023-02-13]
BlackRock Inc Amplitude Inc [2023-02-03]
SC US TTGP Ltd Amplitude Inc [2022-03-07]
View All
Form 3/4/5 Subject 2011 - 2026
Schultz Erica
Amplitude Inc
Tzuo Tien
Wong Catherine
Whitehurst James M
Gill Ronald S
Grady Patrick W
Liu Curtis
Skates Spenser
Crook Nathaniel Glenn
View All
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Amplitude Inc AMPL
Class A Common Stock
2026-03-06 Sell 33,201 $8.01 265,940
Amplitude Inc AMPL
Class A Common Stock
2026-03-05 Sell 30,061 $8.00 240,488
Amplitude Inc AMPL
Class A Common Stock
2026-02-15 Tax withheld 26,672 $6.34 169,100
Amplitude Inc AMPL
Class A Common Stock
2026-02-15 Tax withheld 69,142 $6.34 438,360
Amplitude Inc AMPL
Class A Common Stock
2026-02-15 Tax withheld 39,438 $6.34 250,037
Amplitude Inc AMPL
Class A Common Stock
2026-01-05 Grant 999 $0.00
Amplitude Inc AMPL
Class A Common Stock
2025-12-26 Sell 100 $12.00 1,200
Amplitude Inc AMPL
Class B Common Stock · derivative
2025-12-26 Conversion 100 $0.00
Amplitude Inc AMPL
Class A Common Stock
2025-12-26 Conversion 100 $0.00
Amplitude Inc AMPL
Class B Common Stock · derivative
2025-12-24 Conversion 42,743 $0.00
Amplitude Inc AMPL
Class A Common Stock
2025-12-24 Conversion 42,743 $0.00
Amplitude Inc AMPL
Class A Common Stock
2025-12-24 Sell 42,743 $12.01 513,343
Amplitude Inc AMPL
Stock Option (Right to Buy) · derivative
2025-12-15 Option exercise 10,000 $4.19 41,900
Amplitude Inc AMPL
Class A Common Stock
2025-12-15 Option exercise 10,000 $4.19 41,900
Amplitude Inc AMPL
Class A Common Stock
2025-12-15 Sell 10,000 $10.88 108,800
Amplitude Inc AMPL
Class A Common Stock
2025-11-17 Option exercise 10,000 $4.19 41,900
Amplitude Inc AMPL
Class A Common Stock
2025-11-17 Sell 10,000 $10.23 102,300
Amplitude Inc AMPL
Stock Option (Right to Buy) · derivative
2025-11-17 Option exercise 10,000 $4.19 41,900
Amplitude Inc AMPL
Class A Common Stock
2025-11-15 Tax withheld 91,618 $10.73 983,061
Amplitude Inc AMPL
Class A Common Stock
2025-11-15 Tax withheld 36,092 $10.73 387,267
showing 20 of 200 most recent transactions
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