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

Skates Spenser

10 Sep 2026

CEO and President

Sold after exercise indirect

185,000

$12.30

$2.28M

Skates Spenser

26 Dec 2025

Chief Executive Officer

Sold after exercise indirect

100

$12.00

$1.20K

Skates Spenser

24 Dec 2025

Chief Executive Officer

Sold after exercise indirect

42,743

$12.01

$513.43K

Schultz Erica

15 Dec 2025

Director

Sold after exercise

10,000

$10.88

$108.76K

Schultz Erica

17 Nov 2025

Director

Sold after exercise

10,000

$10.23

$102.30K

Skates Spenser

11 Nov 2025

Chief Executive Officer

Sold after exercise indirect

400,000

$10.99

$4.40M

Schultz Erica

15 Oct 2025

Director

Sold after exercise

10,000

$10.12

$101.23K

Schultz Erica

15 Sep 2025

Director

Sold after exercise

10,000

$11.06

$110.63K

Schultz Erica

15 Aug 2025

Director

Sold after exercise

7,500

$11.46

$85.97K

Schultz Erica

15 Jul 2025

Director

Sold after exercise

7,500

$12.56

$94.21K

Vishria Eric

12 May 2025

Director

Sold after exercise indirect

10,000

$12.00

$120.00K

SC US (TTGP), LTD.

8 Jun 2023

10% owner

Sold after exercise indirect

700

$10.06

$7.04K

SC US (TTGP), LTD.

8 Jun 2023

10% owner

Sold after exercise indirect

7,708

$10.06

$77.54K

Grady Patrick W

8 Jun 2023

Director

Sold after exercise indirect

700

$10.06

$7.04K

Grady Patrick W

8 Jun 2023

Director

Sold after exercise indirect

7,708

$10.06

$77.54K

SC US (TTGP), LTD.

8 Jun 2023

10% owner

Sold after exercise indirect

700

$10.06

$7.04K

SC US (TTGP), LTD.

8 Jun 2023

10% owner

Sold after exercise indirect

7,708

$10.06

$77.54K

SC US (TTGP), LTD.

7 Jun 2023

10% owner

Sold after exercise indirect

21,552

$10.06

$216.81K

SC US (TTGP), LTD.

7 Jun 2023

10% owner

Sold after exercise indirect

237,330

$10.06

$2.39M

Grady Patrick W

7 Jun 2023

Director

Sold after exercise indirect

21,552

$10.06

$216.81K

Grady Patrick W

7 Jun 2023

Director

Sold after exercise indirect

237,330

$10.06

$2.39M

SC US (TTGP), LTD.

7 Jun 2023

10% owner

Sold after exercise indirect

21,552

$10.06

$216.81K

SC US (TTGP), LTD.

7 Jun 2023

10% owner

Sold after exercise indirect

237,330

$10.06

$2.39M

SC US (TTGP), LTD.

6 Jun 2023

10% owner

Sold after exercise indirect

4,711

$10.15

$47.82K

SC US (TTGP), LTD.

6 Jun 2023

10% owner

Sold after exercise indirect

51,876

$10.15

$526.54K

Grady Patrick W

6 Jun 2023

Director

Sold after exercise indirect

4,711

$10.15

$47.82K

Grady Patrick W

6 Jun 2023

Director

Sold after exercise indirect

51,876

$10.15

$526.54K

SC US (TTGP), LTD.

6 Jun 2023

10% owner

Sold after exercise indirect

4,711

$10.15

$47.82K

SC US (TTGP), LTD.

6 Jun 2023

10% owner

Sold after exercise indirect

51,876

$10.15

$526.54K

SC US (TTGP), LTD.

5 Jun 2023

10% owner

Sold after exercise indirect

3,895

$9.69

$37.74K

SC US (TTGP), LTD.

5 Jun 2023

10% owner

Sold after exercise indirect

42,895

$9.69

$415.65K

SC US (TTGP), LTD.

5 Jun 2023

10% owner

Sold after exercise indirect

3,895

$9.69

$37.74K

SC US (TTGP), LTD.

5 Jun 2023

10% owner

Sold after exercise indirect

42,895

$9.69

$415.65K

Grady Patrick W

5 Jun 2023

Director

Sold after exercise indirect

3,895

$9.69

$37.74K

Grady Patrick W

5 Jun 2023

Director

Sold after exercise indirect

42,895

$9.69

$415.65K

SC US (TTGP), LTD.

2 Jun 2023

10% owner

Sold after exercise indirect

4,321

$9.74

$42.09K

SC US (TTGP), LTD.

2 Jun 2023

10% owner

Sold after exercise indirect

47,577

$9.74

$463.40K

SC US (TTGP), LTD.

2 Jun 2023

10% owner

Sold after exercise indirect

4,321

$9.74

$42.09K

SC US (TTGP), LTD.

2 Jun 2023

10% owner

Sold after exercise indirect

47,577

$9.74

$463.40K

Grady Patrick W

2 Jun 2023

Director

Sold after exercise indirect

4,321

$9.74

$42.09K

Grady Patrick W

2 Jun 2023

Director

Sold after exercise indirect

47,577

$9.74

$463.40K

SC US (TTGP), LTD.

1 Jun 2023

10% owner

Sold after exercise indirect

6,661

$9.54

$63.55K

SC US (TTGP), LTD.

1 Jun 2023

10% owner

Sold after exercise indirect

73,355

$9.54

$699.81K

SC US (TTGP), LTD.

1 Jun 2023

10% owner

Sold after exercise indirect

6,661

$9.54

$63.55K

SC US (TTGP), LTD.

1 Jun 2023

10% owner

Sold after exercise indirect

73,355

$9.54

$699.81K

Grady Patrick W

1 Jun 2023

Director

Sold after exercise indirect

6,661

$9.54

$63.55K

Grady Patrick W

1 Jun 2023

Director

Sold after exercise indirect

73,355

$9.54

$699.81K

Heinz Matthew

10 Feb 2022

Chief Revenue Officer

Sold after exercise

$45.00

$3.65K

Heinz Matthew

10 Feb 2022

Chief Revenue Officer

Sold after exercise

7,500

$45.09

$338.21K

Heinz Matthew

11 Jan 2022

Chief Revenue Officer

Sold after exercise

600

$46.17

$27.70K

Heinz Matthew

11 Jan 2022

Chief Revenue Officer

Sold after exercise

6,900

$45.33

$312.75K

Vuong Hoang

30 Dec 2021

Chief Financial Officer

Sold after exercise indirect

372

$54.32

$20.21K

Vuong Hoang

30 Dec 2021

Chief Financial Officer

Sold after exercise

248

$54.32

$13.47K

Johnson Jennifer L.

30 Dec 2021

See remarks

Sold after exercise

2,344

$56.16

$131.64K

Johnson Jennifer L.

30 Dec 2021

See remarks

Sold after exercise

8,154

$55.43

$451.98K

Johnson Jennifer L.

30 Dec 2021

See remarks

Sold after exercise

9,245

$54.57

$504.52K

Johnson Jennifer L.

30 Dec 2021

See remarks

Sold after exercise

5,100

$53.38

$272.25K

Johnson Jennifer L.

22 Dec 2021

See remarks

Sold after exercise

36,721

$54.27

$1.99M

Johnson Jennifer L.

22 Dec 2021

See remarks

Sold after exercise

12,966

$53.64

$695.51K

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

By person

Individual transactions

What was left out