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Amplitude, Inc.

AMPL Mostly scheduled
CIK 0001866692 #2166 in the set updated 17 Sep 2026
Bought (12 mo)
$299.79K
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$12.27M
$4.78M on a plan · $7.50M straight out of an exercise
Sold at will
$0.00
0 of 13 sales
Net
−$11.97M
+$299.79K against sales at will

By person

12 insiders · 14 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
Of company
Worth
Change
Skates Spenser
CEO and President
—
$7.19M (4) scheduled
−$7.19M
1,231,188
0.952%
$15.14M
—
Crook Nathaniel Glenn
Chief Commercial Officer
—
$3.90M (1) scheduled
−$3.90M
1,622,696
1.3%
$19.96M
+84.4%
Liu Curtis
Chief Technology Officer
—
$827.44K (4) scheduled
−$827.44K
950,316
0.735%
$11.69M
—
Schultz Erica
Director
—
$312.28K (3) scheduled
−$312.28K
143,100
0.111%
$1.76M
+20.4%
Casey Andrew
Chief Financial Officer
$299.79K (1)
—
+$299.79K
1,363,338
1.1%
$16.77M
+20.6%
Wong Catherine
Director
—
$50.58K (1) scheduled
−$50.58K
111,462
0.086%
$1.37M
+13.5%
HANSEN THOMAS NEERGAARD
President
—
—
—
1,845,845
1.4%
$22.71M
+4.6%
Vishria Eric
Director
—
—
—
394,333
0.305%
$4.85M
+9.9%
Tzuo Tien
Director
—
—
—
197,273
0.152%
$2.43M
+34.7%
Whitehurst James M
Director
—
—
—
187,201
0.145%
$2.30M
+27.0%
Gill Ronald S
Director
—
—
—
99,535
0.077%
$1.22M
+66.5%
Grady Patrick W
Director
—
—
—
85,806
0.066%
$1.06M
+86.4%

Individual transactions

7
Insider
Date
Role
Action
Shares
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
Show all 14 transactions →

What was left out

Form 4 filings counted 45
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 6
Sales straight out of an exercise 7
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 5,068,477
History held since 23 Sep 2021