Amplitude, Inc.

By person

40 insiders · 325 transactions

33.6×

Spenser Skates holds 33.6 times base salary in stock. $15.14M of shares against $450.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Spenser Skates last reported holding, valued at $12.30, the price Class A Common Stock was last bought or sold at on the open market here, on 10 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Worth

Change

SPURLOCK STEVEN M

10% owner

—

$55.22M (45) scheduled

−$55.22M

139,127

$1.71M

—

Vishria Eric

Director

—

$52.69M (9) scheduled

−$52.69M

394,333

$4.85M

—

Benchmark Capital Management Co. VIII, L.L.C. entity

10% owner

—

$51.50M (3) scheduled

−$51.50M

$0.00

—

Grady Patrick W

Director

$49.95M (24)

$4.99M (12) scheduled

+$44.97M

85,806

$1.06M

—

SC US (TTGP), LTD. entity

10% owner

$49.95M (24)

$9.97M (24) scheduled

+$39.98M

$0.00

—

Skates Spenser

CEO and President

—

$37.34M (7)

−$37.34M

1,231,188

$15.14M

—

Johnson Jennifer L.

See remarks

—

$21.81M (12) scheduled

−$21.81M

$0.00

—

Heinz Matthew

Chief Revenue Officer

—

$20.43M (10) scheduled

−$20.43M

272,949

$3.36M

—

Institutional Venture Management XV, LLC entity

10% owner

—

$18.55M (8)

−$18.55M

29,835

$366.99K

—

Institutional Venture Partners XV Executive Fund, L.P. entity

10% owner

—

$18.55M (8)

−$18.55M

29,835

$366.99K

—

Vuong Hoang

Chief Financial Officer

—

$17.53M (7) scheduled

−$17.53M

813,896

$10.01M

+54,856%

GURLEY J WILLIAM

Director

—

$16.49M (14)

−$16.49M

$0.00

−100.0%

Liu Curtis

Chief Technology Officer

—

$16.00M (6)

−$16.00M

1,029,544

$12.66M

—

FENTON PETER H

10% owner

—

$7.55M (3)

−$7.55M

83,677

$1.03M

−58.1%

Cohler Matt

10% owner

—

$6.93M (7)

−$6.93M

188,753

$2.32M

−34.6%

Battery Management Corp. entity

10% owner

—

$4.13M (3)

−$4.13M

561,587

$6.91M

—

Battery Partners XI, LLC entity

10% owner

—

$4.13M (3)

−$4.13M

29,930

$368.16K

—

Crook Nathaniel Glenn

Chief Commercial Officer

—

$3.90M (1) scheduled

−$3.90M

1,622,696

$19.96M

+84.4%

Chaffee Todd C

10% owner

—

$2.38M (5)

−$2.38M

58,401

$718.37K

−38.0%

Sarkis Ninos

Chief Accounting Officer

—

$1.87M (8)

−$1.87M

83,891

$1.03M

+5,564%

Phelps Dennis B

10% owner

—

$1.62M (2)

−$1.62M

70,510

$867.32K

−25.2%

TOBIN SCOTT R

10% owner

—

$1.49M (5)

−$1.49M

$0.00

−100.0%

LASKY MITCHELL

10% owner

—

$1.38M (1)

−$1.38M

247,879

$3.05M

−23.4%

Wong Catherine

Director

—

$1.20M (24)

−$1.20M

111,462

$1.37M

—

Elhafed Morad

10% owner

—

$1.14M (1)

−$1.14M

$0.00

−100.0%

HANSEN THOMAS NEERGAARD

President

—

$975.20K (4)

−$975.20K

1,845,845

$22.71M

—

Schultz Erica

Director

—

$932.82K (7) scheduled

−$932.82K

143,100

$1.76M

—

Tavel Sarah E

10% owner

—

$764.73K (2)

−$764.73K

115,087

$1.42M

−27.0%

Feldman Jesse

10% owner

—

$723.06K (3)

−$723.06K

22,641

$278.50K

−31.7%

Thakker Dharmesh

10% owner

—

$688.50K (1)

−$688.50K

$0.00

−100.0%

Casey Andrew

Chief Financial Officer

$539.56K (2)

—

+$539.56K

1,363,338

$16.77M

+27,167%

Agrawal Neeraj

10% owner

—

$418.66K (1)

−$418.66K

327,766

$4.03M

—

Battery Ventures Select Fund I, L.P. entity

10% owner

—

$418.66K (1)

−$418.66K

327,766

$4.03M

−9.2%

Hu An-Yen

10% owner

—

$223.18K (7)

−$223.18K

10,285

$126.51K

—

Puttagunta Chetan

10% owner

—

$171.76K (1)

−$171.76K

$0.00

−100.0%

Harms Christopher

Chief Financial Officer

—

$133.67K (1)

−$133.67K

833,853

$10.26M

—

Tzuo Tien

Director

—

197,273

$2.43M

+34.7%

Whitehurst James M

Director

—

187,201

$2.30M

—

Gill Ronald S

Director

—

99,535

$1.22M

+625.0%

Steele Elisa

Director

—

21,690

$266.80K

—

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Individual transactions

Insider

Date

Role

Action

Price

Amount

Schultz Erica

11 Jun 2025

Director

Exercised, kept

7,500

$4.19

$31.43K

Liu Curtis

1 Feb 2024

Chief Technology Officer

Exercised, kept

23,866

$4.19

$100.00K

Liu Curtis

1 Feb 2023

Chief Technology Officer

Exercised, kept

23,866

$4.19

$100.00K

Vuong Hoang

29 Dec 2022

Chief Financial Officer

Exercised, kept

14,748

$2.26

$33.33K

Vuong Hoang

1 Sep 2022

Chief Financial Officer

Exercised, kept

14,748

$2.26

$33.33K

Sarkis Ninos

31 Aug 2022

Chief Accounting Officer

Exercised, kept

5,116

$4.19

$21.44K

Sarkis Ninos

10 Jun 2022

Chief Accounting Officer

Exercised, kept

3,750

$4.19

$15.71K

Sarkis Ninos

10 May 2022

Chief Accounting Officer

Exercised, kept

7,500

$4.19

$31.43K

Vuong Hoang

10 May 2022

Chief Financial Officer

Exercised, kept

11,062

$2.26

$25.00K

Sarkis Ninos

10 Mar 2022

Chief Accounting Officer

Exercised, kept

3,750

$4.19

$15.71K

Skates Spenser

18 Feb 2022

Chief Executive Officer

Exercised, kept

70,000

$4.19

$293.30K

Skates Spenser

18 Feb 2022

Chief Executive Officer

Exercised, kept

30,000

$4.19

$125.70K

Sarkis Ninos

18 Feb 2022

Chief Accounting Officer

Exercised, kept

3,750

$4.19

$15.71K

Vuong Hoang

17 Feb 2022

Chief Financial Officer

Exercised, kept

200,000

$2.26

$452.00K

Vuong Hoang

17 Feb 2022

Chief Financial Officer

Exercised, kept

3,688

$2.26

$8.33K

Liu Curtis

17 Feb 2022

Chief Technology Officer

Exercised, kept

23,866

$4.19

$100.00K

Liu Curtis

17 Feb 2022

Chief Technology Officer

Exercised, kept indirect

70,000

$4.19

$293.30K

Vuong Hoang

15 Nov 2021

Chief Financial Officer

Exercised, kept

7,373

$2.26

$16.66K

Showing 250 of 325 transactions. The figures above use every one of them.

By person

Individual transactions

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