| Liu Curtis |
AMPL |
Class A Common Stock |
Sale |
-5.21% |
$265,840 |
$8.01 |
-33,201 |
603,756 |
06 Mar 2026 |
Direct |
| Liu Curtis |
AMPL |
Class A Common Stock |
Sale |
-4.51% |
$240,539 |
$8.00 |
-30,061 |
636,957 |
05 Mar 2026 |
Direct |
| Thomas Neergaard Hansen |
AMPL |
Class A Common Stock |
Tax liability |
-3.61% |
|
|
-69,142 |
1,845,845 |
15 Feb 2026 |
Direct |
| Liu Curtis |
AMPL |
Class A Common Stock |
Tax liability |
-3.52% |
|
|
-26,672 |
730,280 |
15 Feb 2026 |
Direct |
| Andrew Casey |
AMPL |
Class A Common Stock |
Tax liability |
-3.57% |
|
|
-39,438 |
1,066,770 |
15 Feb 2026 |
Direct |
| Tien Tzuo |
AMPL |
Class A Common Stock |
Award |
1.02% |
|
|
999 |
98,542 |
05 Jan 2026 |
Direct |
| Skates Spenser |
AMPL |
Class A Common Stock |
Sale |
-100% |
$1,200 |
$12.00 |
-100 |
0 |
26 Dec 2025 |
By Spouse |
| Skates Spenser |
AMPL |
Class A Common Stock |
Conversion of derivative security |
|
|
|
100 |
100 |
26 Dec 2025 |
By Spouse |
| Skates Spenser |
AMPL |
Class B Common Stock |
Conversion of derivative security |
-0.02% |
|
|
-100 |
567,157 |
26 Dec 2025 |
By Spouse |
| Skates Spenser |
AMPL |
Class A Common Stock |
Sale |
-100% |
$513,433 |
$12.01 |
-42,743 |
0 |
24 Dec 2025 |
By Spouse |
| Skates Spenser |
AMPL |
Class A Common Stock |
Conversion of derivative security |
|
|
|
42,743 |
42,743 |
24 Dec 2025 |
By Spouse |
| Skates Spenser |
AMPL |
Class B Common Stock |
Conversion of derivative security |
-7.01% |
|
|
-42,743 |
567,257 |
24 Dec 2025 |
By Spouse |
| Schultz Erica |
AMPL |
Class A Common Stock |
Sale |
-8.01% |
$108,758 |
$10.88 |
-10,000 |
114,906 |
15 Dec 2025 |
Direct |
| Schultz Erica |
AMPL |
Class A Common Stock |
Options Exercise |
8.7% |
|
|
10,000 |
124,906 |
15 Dec 2025 |
Direct |
| Schultz Erica |
AMPL |
Stock Option (Right to Buy) |
Options Exercise |
-16.8% |
|
|
-10,000 |
49,500 |
15 Dec 2025 |
Direct |
| Schultz Erica |
AMPL |
Class A Common Stock |
Sale |
-8.52% |
$102,295 |
$10.23 |
-10,000 |
107,406 |
17 Nov 2025 |
Direct |
| Schultz Erica |
AMPL |
Class A Common Stock |
Options Exercise |
9.31% |
|
|
10,000 |
117,406 |
17 Nov 2025 |
Direct |
| Schultz Erica |
AMPL |
Stock Option (Right to Buy) |
Options Exercise |
-14.4% |
|
|
-10,000 |
59,500 |
17 Nov 2025 |
Direct |
| Liu Curtis |
AMPL |
Class A Common Stock |
Tax liability |
-4.55% |
|
|
-36,092 |
756,952 |
15 Nov 2025 |
Direct |
| Andrew Casey |
AMPL |
Class A Common Stock |
Tax liability |
-4.69% |
|
|
-54,400 |
1,106,208 |
15 Nov 2025 |
Direct |
| Thomas Neergaard Hansen |
AMPL |
Class A Common Stock |
Tax liability |
-4.57% |
|
|
-91,618 |
1,914,987 |
15 Nov 2025 |
Direct |
| Skates Spenser |
AMPL |
Class A Common Stock |
Sale |
-100% |
$4,395,320 |
$10.99 |
-400,000 |
0 |
11 Nov 2025 |
By Spouse |
| Skates Spenser |
AMPL |
Class A Common Stock |
Conversion of derivative security |
|
|
|
400,000 |
400,000 |
11 Nov 2025 |
By Spouse |
| Skates Spenser |
AMPL |
Class B Common Stock |
Conversion of derivative security |
-39.6% |
|
|
-400,000 |
610,000 |
11 Nov 2025 |
By Spouse |
| Andrew Casey |
AMPL |
Class A Common Stock |
Purchase |
2.65% |
$299,790 |
$9.99 |
30,000 |
1,160,608 |
07 Nov 2025 |
Direct |
| Schultz Erica |
AMPL |
Class A Common Stock |
Sale |
-8.52% |
$101,229 |
$10.12 |
-10,000 |
107,406 |
15 Oct 2025 |
Direct |
| Schultz Erica |
AMPL |
Class A Common Stock |
Options Exercise |
9.31% |
|
|
10,000 |
117,406 |
15 Oct 2025 |
Direct |
| Schultz Erica |
AMPL |
Stock Option (Right to Buy) |
Options Exercise |
-12.6% |
|
|
-10,000 |
69,500 |
15 Oct 2025 |
Direct |
| Tien Tzuo |
AMPL |
Class A Common Stock |
Award |
1.01% |
|
|
977 |
97,543 |
05 Oct 2025 |
Direct |
| Schultz Erica |
AMPL |
Class A Common Stock |
Sale |
-8.52% |
$110,633 |
$11.06 |
-10,000 |
107,406 |
15 Sep 2025 |
Direct |
| Schultz Erica |
AMPL |
Class A Common Stock |
Options Exercise |
9.31% |
|
|
10,000 |
117,406 |
15 Sep 2025 |
Direct |
| Schultz Erica |
AMPL |
Stock Option (Right to Buy) |
Options Exercise |
-11.2% |
|
|
-10,000 |
79,500 |
15 Sep 2025 |
Direct |
| Thomas Neergaard Hansen |
AMPL |
Class A Common Stock |
Tax liability |
-4.56% |
|
|
-95,809 |
2,006,605 |
15 Aug 2025 |
Direct |
| Andrew Casey |
AMPL |
Class A Common Stock |
Tax liability |
-4.6% |
|
|
-54,399 |
1,128,108 |
15 Aug 2025 |
Direct |
| Liu Curtis |
AMPL |
Class A Common Stock |
Tax liability |
-4.15% |
|
|
-34,301 |
793,044 |
15 Aug 2025 |
Direct |
| Schultz Erica |
AMPL |
Class A Common Stock |
Sale |
-6.53% |
$85,968 |
$11.46 |
-7,500 |
107,406 |
15 Aug 2025 |
Direct |
| Schultz Erica |
AMPL |
Class A Common Stock |
Options Exercise |
6.98% |
|
|
7,500 |
114,906 |
15 Aug 2025 |
Direct |
| Schultz Erica |
AMPL |
Stock Option (Right to Buy) |
Options Exercise |
-7.73% |
|
|
-7,500 |
89,500 |
15 Aug 2025 |
Direct |
| Spenser Skates |
AMPL |
Class B Common Stock |
Gift |
|
|
|
1,010,000 |
1,010,000 |
04 Aug 2025 |
By Spouse |
| Spenser Skates |
AMPL |
Class B Common Stock |
Gift |
-15.9% |
|
|
-1,010,000 |
5,342,146 |
04 Aug 2025 |
Direct |
| Schultz Erica |
AMPL |
Class A Common Stock |
Sale |
-6.53% |
$94,205 |
$12.56 |
-7,500 |
107,406 |
15 Jul 2025 |
Direct |
| Schultz Erica |
AMPL |
Class A Common Stock |
Options Exercise |
6.98% |
|
|
7,500 |
114,906 |
15 Jul 2025 |
Direct |
| Schultz Erica |
AMPL |
Stock Option (Right to Buy) |
Options Exercise |
-7.18% |
|
|
-7,500 |
97,000 |
15 Jul 2025 |
Direct |
| Tien Tzuo |
AMPL |
Class A Common Stock |
Award |
0.93% |
|
|
894 |
96,566 |
05 Jul 2025 |
Direct |
| Eric Vishria |
AMPL |
Class A Common Stock |
Award |
29.9% |
|
|
14,906 |
64,712 |
12 Jun 2025 |
Direct |
| Patrick W. Grady |
AMPL |
Class A Common Stock |
Award |
32.4% |
|
|
14,906 |
60,949 |
12 Jun 2025 |
Direct |
| Ronald S. Gill |
AMPL |
Class A Common Stock |
Award |
24.9% |
|
|
14,906 |
74,678 |
12 Jun 2025 |
Direct |
| James M. Whitehurst |
AMPL |
Class A Common Stock |
Award |
10.1% |
|
|
14,906 |
162,344 |
12 Jun 2025 |
Direct |
| Schultz Erica |
AMPL |
Class A Common Stock |
Award |
16.1% |
|
|
14,906 |
107,406 |
12 Jun 2025 |
Direct |
| Wong Catherine |
AMPL |
Class A Common Stock |
Award |
18.8% |
|
|
14,906 |
94,058 |
12 Jun 2025 |
Direct |