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

Crook Nathaniel Glenn

4 Sep 2026

Chief Commercial Officer

Sold on a plan

300,000

$12.99

$3.90M

Wong Catherine

12 Jun 2026

Director

Sold on a plan

7,453

$6.79

$50.58K

Liu Curtis

1 Jun 2026

Chief Technology Officer

Sold on a plan

22,201

$8.03

$178.18K

Liu Curtis

4 May 2026

Chief Technology Officer

Sold on a plan

17,586

$8.12

$142.88K

Liu Curtis

6 Mar 2026

Chief Technology Officer

Sold on a plan

33,201

$8.01

$265.84K

Liu Curtis

5 Mar 2026

Chief Technology Officer

Sold on a plan

30,061

$8.00

$240.54K

Wong Catherine

11 Jun 2025

Director

Sold on a plan

8,502

$12.49

$106.20K

Schultz Erica

11 Jun 2025

Director

Sold on a plan

26,394

$12.49

$329.73K

Wong Catherine

19 May 2025

Director

Sold on a plan

3,515

$11.75

$41.31K

Vishria Eric

8 May 2025

Director

Sold on a plan indirect

25,000

$10.15

$253.66K

Wong Catherine

11 Mar 2025

Director

Sold on a plan

3,515

$12.04

$42.34K

Vishria Eric

24 Feb 2025

Director

Sold on a plan indirect

35,000

$12.80

$447.84K

Vishria Eric

28 Jan 2025

Director

Sold on a plan indirect

3,563

$12.00

$42.76K

Vishria Eric

13 Dec 2024

Director

Sold on a plan indirect

6,437

$12.02

$77.35K

Wong Catherine

18 Nov 2024

Director

Sold on a plan

3,515

$9.57

$33.64K

Vishria Eric

12 Nov 2024

Director

Sold on a plan indirect

25,000

$10.18

$254.48K

Wong Catherine

19 Aug 2024

Director

Sold on a plan

3,515

$8.54

$30.01K

Wong Catherine

17 May 2024

Director

Sold on a plan

3,515

$9.16

$32.20K

Wong Catherine

23 Feb 2024

Director

Sold on a plan

3,515

$11.97

$42.06K

Wong Catherine

17 Nov 2023

Director

Sold on a plan

3,515

$10.47

$36.82K

Wong Catherine

17 Aug 2023

Director

Sold on a plan

3,515

$11.23

$39.47K

Wong Catherine

17 May 2023

Director

Sold on a plan

3,515

$9.02

$31.72K

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

By person

Individual transactions

What was left out