A
$ Value
$0
Shares
400,000
Price
$0
Filed
May 6
Insider
Name
Stepien Thomas M
Title
President
CIK
0002067233
Roles
Director
Officer
Transaction Details
Transaction Date
2025-05-01
Code
A
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
400,000
Footnotes
The securities are represented by restricted stock units granted on May 1, 2025. 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 May 20, 2026 and the remainder will vest quarterly over three years thereafter, on each August 20, November 20, February 20 and May 20, subject to the reporting person's continued service on each such date, until the award is fully vested on May 20, 2029.
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 |