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Amplitude, Inc.

AMPL Net selling
CIK 0001866692 #2166 in the set updated 17 Sep 2026
Bought (120 mo)
$100.44M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$384.25M
$6.62M on a plan · $238.03M straight out of an exercise
Sold at will
$139.60M
148 of 256 sales
Net
−$283.80M
−$39.16M against sales at will

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
$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
$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
$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
$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
$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
$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
$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
$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

101
Insider
Date
Role
Action
Shares
Price
Amount
Battery Ventures Select Fund I, L.P.
2 Jan 2024
10% owner
Sell indirect
33,333
$12.56
$418.66K
Agrawal Neeraj
2 Jan 2024
10% owner
Sell indirect
33,333
$12.56
$418.66K
Thakker Dharmesh
5 Jul 2023
10% owner
Sell indirect
63,515
$10.84
$688.50K
Harms Christopher
18 May 2023
Chief Financial Officer
Sell
14,666
$9.11
$133.67K
HANSEN THOMAS NEERGAARD
18 May 2023
President
Sell
30,018
$9.11
$273.59K
HANSEN THOMAS NEERGAARD
10 Apr 2023
President
Sell
22,760
$11.67
$265.52K
Wong Catherine
17 Feb 2023
Director
Sell
3,515
$14.34
$50.40K
Sarkis Ninos
16 Feb 2023
Chief Accounting Officer
Sell
2,523
$14.61
$36.87K
HANSEN THOMAS NEERGAARD
9 Jan 2023
President
Sell
19,638
$12.17
$239.08K
Sarkis Ninos
18 Nov 2022
Chief Accounting Officer
Sell
1,481
$13.88
$20.55K
Sarkis Ninos
18 Nov 2022
Chief Accounting Officer
Sell
495
$13.80
$6.83K
Wong Catherine
17 Nov 2022
Director
Sell
3,515
$13.80
$48.51K
HANSEN THOMAS NEERGAARD
10 Oct 2022
President
Sell
12,968
$15.19
$197.02K
Wong Catherine
17 Aug 2022
Director
Sell
3,515
$17.59
$61.84K
Sarkis Ninos
15 Aug 2022
Chief Accounting Officer
Sell
478
$17.61
$8.42K
Tavel Sarah E
10 Aug 2022
10% owner
Sell
28,775
$18.49
$532.05K
Puttagunta Chetan
10 Aug 2022
10% owner
Sell
9,538
$18.01
$171.76K
LASKY MITCHELL
10 Aug 2022
10% owner
Sell indirect
75,672
$18.19
$1.38M
Hu An-Yen
9 Aug 2022
10% owner
Sell indirect
10
$17.92
$179.20
Hu An-Yen
9 Aug 2022
10% owner
Sell indirect
737
$16.95
$12.49K
Hu An-Yen
9 Aug 2022
10% owner
Sell indirect
47
$17.92
$842.24
Hu An-Yen
9 Aug 2022
10% owner
Sell indirect
3,275
$16.95
$55.50K
Hu An-Yen
9 Aug 2022
10% owner
Sell indirect
43
$17.92
$770.56
Hu An-Yen
9 Aug 2022
10% owner
Sell indirect
3,021
$16.95
$51.20K
Tavel Sarah E
9 Aug 2022
10% owner
Sell
13,698
$16.99
$232.68K
GURLEY J WILLIAM
9 Aug 2022
Director
Sell indirect
2,100
$17.93
$37.65K
GURLEY J WILLIAM
9 Aug 2022
Director
Sell indirect
3,914
$17.27
$67.59K
Wong Catherine
17 May 2022
Director
Sell
1,804
$17.43
$31.44K
Wong Catherine
17 May 2022
Director
Sell
1,711
$16.80
$28.75K
Sarkis Ninos
17 May 2022
Chief Accounting Officer
Sell
232
$17.29
$4.01K
Sarkis Ninos
17 May 2022
Chief Accounting Officer
Sell
279
$16.72
$4.66K
Wong Catherine
17 Feb 2022
Director
Sell
100
$25.02
$2.50K
Wong Catherine
17 Feb 2022
Director
Sell
100
$21.82
$2.18K
Wong Catherine
17 Feb 2022
Director
Sell
800
$20.86
$16.69K
Wong Catherine
17 Feb 2022
Director
Sell
1,375
$19.85
$27.30K
Wong Catherine
17 Feb 2022
Director
Sell
400
$18.61
$7.44K
Wong Catherine
17 Feb 2022
Director
Sell
740
$17.56
$12.99K
TOBIN SCOTT R
13 Dec 2021
10% owner
Sell indirect
2,590
$54.97
$142.37K
TOBIN SCOTT R
13 Dec 2021
10% owner
Sell indirect
2,200
$54.15
$119.13K
TOBIN SCOTT R
13 Dec 2021
10% owner
Sell indirect
11,698
$52.63
$615.67K
TOBIN SCOTT R
13 Dec 2021
10% owner
Sell indirect
8,932
$51.86
$463.21K
TOBIN SCOTT R
13 Dec 2021
10% owner
Sell indirect
2,896
$50.66
$146.71K
FENTON PETER H
7 Dec 2021
10% owner
Sell indirect
2,700
$61.14
$165.08K
FENTON PETER H
7 Dec 2021
10% owner
Sell indirect
63,143
$60.25
$3.80M
Elhafed Morad
7 Dec 2021
10% owner
Sell
18,316
$62.26
$1.14M
Hu An-Yen
30 Nov 2021
10% owner
Sell indirect
1,500
$68.13
$102.20K
Battery Partners XI, LLC
29 Nov 2021
10% owner
Sell
22,641
$71.21
$1.61M
Battery Management Corp.
29 Nov 2021
10% owner
Sell
22,641
$71.21
$1.61M
FENTON PETER H
29 Nov 2021
10% owner
Sell indirect
50,000
$71.69
$3.58M
Feldman Jesse
23 Nov 2021
10% owner
Sell
100
$68.80
$6.88K
Wong Catherine
23 Nov 2021
Director
Sell
3,515
$66.01
$232.02K
Cohler Matt
23 Nov 2021
10% owner
Sell indirect
1,100
$69.83
$76.82K
Cohler Matt
23 Nov 2021
10% owner
Sell indirect
11,528
$68.38
$788.27K
Cohler Matt
23 Nov 2021
10% owner
Sell indirect
10,040
$67.82
$680.96K
Cohler Matt
23 Nov 2021
10% owner
Sell indirect
6,733
$66.60
$448.40K
Cohler Matt
23 Nov 2021
10% owner
Sell indirect
20,599
$65.70
$1.35M
Phelps Dennis B
19 Nov 2021
10% owner
Sell
2,106
$69.00
$145.31K
Phelps Dennis B
19 Nov 2021
10% owner
Sell
21,590
$68.44
$1.48M
Feldman Jesse
19 Nov 2021
10% owner
Sell indirect
3,194
$68.95
$220.23K
Feldman Jesse
19 Nov 2021
10% owner
Sell
7,193
$68.95
$495.96K
Chaffee Todd C
17 Nov 2021
10% owner
Sell
17,467
$72.01
$1.26M
Chaffee Todd C
17 Nov 2021
10% owner
Sell
8,162
$70.97
$579.26K
GURLEY J WILLIAM
16 Nov 2021
10% owner
Sell indirect
7,619
$71.98
$548.41K
GURLEY J WILLIAM
16 Nov 2021
10% owner
Sell indirect
54,173
$70.64
$3.83M
GURLEY J WILLIAM
16 Nov 2021
10% owner
Sell indirect
73,628
$69.93
$5.15M
GURLEY J WILLIAM
16 Nov 2021
10% owner
Sell indirect
4,800
$68.69
$329.72K
GURLEY J WILLIAM
16 Nov 2021
10% owner
Sell indirect
2,100
$67.60
$141.97K
GURLEY J WILLIAM
16 Nov 2021
10% owner
Sell indirect
2
$72.24
$144.48
GURLEY J WILLIAM
16 Nov 2021
10% owner
Sell indirect
3,202
$71.83
$229.99K
GURLEY J WILLIAM
16 Nov 2021
10% owner
Sell indirect
1,000
$70.68
$70.68K
GURLEY J WILLIAM
16 Nov 2021
10% owner
Sell indirect
5,358
$68.67
$367.95K
GURLEY J WILLIAM
16 Nov 2021
10% owner
Sell indirect
2,258
$67.49
$152.39K
Cohler Matt
16 Nov 2021
10% owner
Sell indirect
2,000
$72.42
$144.84K
Cohler Matt
16 Nov 2021
10% owner
Sell indirect
48,000
$71.69
$3.44M
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
616
$73.05
$45.00K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
882
$72.36
$63.82K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
1,656
$71.28
$118.05K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
1,530
$70.37
$107.67K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
638
$69.28
$44.20K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
77
$67.71
$5.21K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
568
$73.05
$41.49K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
813
$72.36
$58.83K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
1,527
$71.28
$108.85K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
1,410
$70.37
$99.22K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
589
$69.28
$40.80K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
71
$67.71
$4.81K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
277
$73.05
$20.23K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
396
$72.36
$28.65K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
745
$71.28
$53.11K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
688
$70.37
$48.42K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
287
$69.28
$19.88K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
35
$67.71
$2.37K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
1,609
$73.28
$117.91K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
9,158
$71.33
$653.24K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
14,011
$71.70
$1.00M
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
4,340
$70.53
$306.09K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
1,663
$69.45
$115.50K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
460
$68.44
$31.48K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
139
$73.05
$10.15K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
198
$72.36
$14.33K
SPURLOCK STEVEN M
15 Nov 2021
10% owner
Sell indirect
372
$71.28
$26.52K
Showing 250 of 325 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 259
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 35
Sales on a Rule 10b5-1 plan 22
Sales straight out of an exercise 86
Sales at will 148
Transactions with no price 0
Shares from compensation/vesting 156,430,756
Sales filed before the plan box existed 142
History held since 23 Sep 2021