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| Latest Insider Trading | Top Insider Trading Recent Week | Top 10% Owner Trading Recent Week | Filter
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| Ticker | Owner | Relationship | Date | Transaction | Cost |
#Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| AMPX | Sun Kang | Chief Executive Officer | Nov 17 '25 | Sale | 10.60 | 1,000,000 | 10,595,300 | 1,472,306 | Nov 19 05:49 PM |
| AMPX | KANG SUN | Director | Nov 17 '25 | Proposed Sale | 11.29 | 1,000,000 | 11,290,000 | Nov 17 04:36 PM | |
| AMPX | Sun Kang | Chief Executive Officer | Aug 21 '25 | Sale | 6.82 | 65,654 | 447,511 | 1,472,306 | Aug 25 07:59 PM |
| AMPX | Kang Sun | Officer | Aug 21 '25 | Proposed Sale | 6.82 | 65,654 | 447,511 | Aug 25 07:33 PM | |
| AMPX | Sun Kang | Chief Executive Officer | May 21 '25 | Sale | 2.43 | 69,786 | 169,720 | 1,812,235 | May 23 05:48 PM |
| AMPX | Kang Sun | Officer | May 21 '25 | Proposed Sale | 2.43 | 69,786 | 169,720 | May 23 05:43 PM | |
| AMPX | Sun Kang | Chief Executive Officer | Feb 21 '25 | Sale | 3.13 | 34,353 | 107,635 | 1,282,621 | Feb 24 07:42 PM |
| AMPX | Kang Sun | Director | Feb 21 '25 | Proposed Sale | 3.13 | 34,353 | 107,635 | Feb 24 07:36 PM | |
| AMPX | Sun Kang | Chief Executive Officer | Nov 21 '24 | Sale | 1.96 | 33,779 | 66,362 | 1,316,974 | Nov 22 04:29 PM |
| AMPX | KANG SUN | Officer | Nov 21 '24 | Proposed Sale | 1.98 | 33,779 | 66,882 | Nov 21 08:16 PM | |
| AMPX | Sun Kang | Chief Executive Officer | Aug 21 '24 | Sale | 1.04 | 33,333 | 34,666 | 1,350,753 | Aug 22 05:02 PM |
| AMPX | KANG SUN | Officer | Aug 21 '24 | Proposed Sale | 1.04 | 33,333 | 34,530 | Aug 22 04:51 PM | |
| AMPX | Sun Kang | See Remarks | May 21 '24 | Sale | 1.33 | 19,973 | 26,516 | 1,399,697 | May 24 09:06 PM |
| AMPX | Sun Kang | See Remarks | May 22 '24 | Sale | 1.36 | 15,611 | 21,169 | 1,384,086 | May 24 09:06 PM |
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