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
Casey Andrew
Hansen Thomas Neergaard
Vishria Eric
Steele Elisa
Harms Christopher
Elhafed Morad
Lee Roger H
Tobin Scott R
Brown Michael Maurice
Agrawal Neeraj
Fleischer Russell L
Stoner Chelsea R
Thakker Dharmesh
Feldman Jesse
Battery Ventures Select Fund I LP
Battery Partners Select Fund I LP
Battery Partners Select Fund I GP LLC
SC US TTGP Ltd
Sequoia Grove II LLC
Sequoia Grove Manager LLC
Sequoia Capital US Growth IX Principals Fund LP
Sequoia Capital US Growth Fund IX LP
Sequoia Capital US Growth Partners Fund IX LP
SC US Venture 2010 Management LP
SC US Growth VIII Management LP
Sequoia Capital US Venture 2010-Seed Fund LP
SC US Growth IX Management LP
Sequoia Capital US Growth Fund VIII LP
Battery Partners XI LLC
Battery Ventures XI-B LP
Battery Ventures XI-A Side Fund LP
Battery Partners XI Side Fund LLC
Battery Ventures XI-A LP
Battery Ventures XI-B Side Fund LP
Battery Investment Partners XI LLC
Sarkis Ninos
Vuong Hoang
Benchmark Founders' Fund VIII LP
Benchmark Capital Management Co VIII LLC
Benchmark Capital Partners VIII LP
Benchmark Founders' Fund VIII-B LP
Gurley J William
Hu An-Yen
Lasky Mitchell
Fenton Peter H
Puttagunta Chetan
Tavel Sarah E
Cohler Matt
Heinz Matthew
Battery Management Corp
Johnson Jennifer L
Phelps Dennis B
Chaffee Todd C
Spurlock Steven M
Liaw Eric
Miller J Sanford
Maltz Jules A
Institutional Venture Management XV LLC
Dash Somesh
Harrick Stephen J
Fogelsong Norman A
Institutional Venture Partners XV LP
Institutional Venture Partners XV Executive Fund LP
Parnafes Itzik
Battery Investment Partners Select Fund I LP
Botha Roelof
Sequoia Capital Global Growth Fund III - Endurance Partners
SCGGF III - Endurance Partners Management LP
Leone Douglas M
GIC Private Ltd
Jasmine Ventures PTE Ltd
GIC Special Investments Pte Ltd
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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