M
$ Value
$3.0M
Shares
238,931
Price
$13
Filed
Feb 20
Insider
Name
HSIEH Wen Hsuan
Title
—
CIK
0001835160
Roles
Director
Transaction Details
Transaction Date
2026-02-18
Code
M
Table
Non-Derivative
Ownership
Indirect
Equity Swap
No
Shares After
633,920
Footnotes
The Reporting Person exercises sole voting and dispositive control over the shares held by Matter Venture Partners Fund I, L.P. | The warrant is exercisable in whole or in part, on the earlier of (i) June 1, 2028, (ii) immediately prior to the completion of the Issuer's initial public offering or (iii) immediately prior to the consummation of an acquisition or asset transfer of the Issuer, until the warrant's expiration on June 1, 2034.
Filing Info
HSIEH Wen Hsuan's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-03-12 | AMPX | M | $705K |
| 2026-03-12 | AMPX | ▼ | $5.2M |
| 2026-03-12 | AMPX | ▼ | $2.4M |
| 2026-03-12 | AMPX | M | $705K |
| 2026-02-18 | AMBQ | M | $3.0M |
| 2026-02-18 | AMBQ | M | $0 |
| 2025-07-31 | AMBQ | C | — |
| 2025-07-31 | AMBQ | C | $0 |
| 2025-06-13 | AMPX | A | $0 |
Other Insiders at AMBQ (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
Winzeler Jeffrey G
Chief Financial Officer
|
— | — | 2026-03-06 |
| TAUTGES JOSEPH A | — | $242K | 2026-01-26 |
| HSIEH Wen Hsuan | — | — | 2026-02-18 |
|
Hanson Scott McLean
Chief Technology Officer
|
— | $310K | 2026-03-06 |
|
Esaka Fumihide
Chief Executive Officer
|
— | — | 2026-03-06 |
|
Chen Sean Chihhsiang
President and COO
|
— | — | 2026-03-06 |
|
Connors Michele Kim
General Counsel
|
— | $21K | 2026-04-02 |