$ Value
$0
Shares
200,000
Price
$0
Filed
Dec 22
Insider
Name
Stepien Thomas M
Title
President
CIK
0002067233
Roles
Transaction Details
Transaction Date
2025-12-19
Code
A
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
610,000
Footnotes
The securities are represented by restricted stock units granted on December 19, 2025, with a vesting commencement date of January 1, 2026. Each restricted stock unit represents the reporting person's right to receive one share of the issuer's common stock. 1/4th of the restricted stock units subject to the award will vest on February 20, 2027 and the remainder will vest quarterly over three years thereafter, on each May 20, August 20, November 20 and February 20, subject to the reporting person's continued service on each such date, until the award is fully vested on February 20, 2030. | Includes 600,000 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock, subject to the applicable vesting schedule and conditions of each restricted stock unit.
Filing Info
Stepien Thomas M's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-03-04 | AMPX | A | $0 |
| 2025-12-19 | AMPX | A | $0 |
| 2025-05-01 | AMPX | A | $0 |
Other Insiders at AMPX (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| Sun Kang | — | $28.6M | 2026-04-01 |
|
RODRIGUEZ RICARDO C.
Chief Financial Officer
|
— | — | 2026-03-04 |
|
Stefan Constantin Ionel
Chief Technology Officer
|
— | $734K | 2026-03-04 |
|
Stepien Thomas M
Chief Executive Officer
|
— | — | 2026-03-04 |