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Signature
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/s/ Sandra Wallach, attorney-in-fact on behalf of Jonathan Bornstein
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Issuer symbol
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AMPX
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Transactions as of
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19 Sep 2023
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Net transactions value
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-$647,061
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Form type
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4
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Filing time
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21 Sep 2023, 16:44:15 UTC
Transactions Table
| Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Ownership |
Footnotes |
| transaction |
AMPX |
Common stock |
Options Exercise |
$7,176 |
+143,516 |
|
$0.0500* |
143,516 |
19 Sep 2023 |
Direct |
F1 |
| transaction |
AMPX |
Common stock |
Sale |
$627,165 |
-143,516 |
-100% |
$4.37 |
0 |
19 Sep 2023 |
Direct |
F1, F2 |
| transaction |
AMPX |
Common stock |
Options Exercise |
$324 |
+6,484 |
|
$0.0500* |
6,484 |
20 Sep 2023 |
Direct |
F1 |
| transaction |
AMPX |
Common stock |
Sale |
$27,396 |
-6,484 |
-100% |
$4.23 |
0 |
20 Sep 2023 |
Direct |
F1, F3 |
Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)
| Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Underlying Class |
Amount |
Exercise Price |
Ownership |
Footnotes |
| transaction |
AMPX |
Stock Option (right to buy) |
Options Exercise |
$0 |
-143,516 |
-6.6% |
$0.000000 |
2,040,335 |
19 Sep 2023 |
Common stock |
143,516 |
$0.0500 |
Direct |
F1 |
| transaction |
AMPX |
Stock Option (right to buy) |
Options Exercise |
$0 |
-6,484 |
-0.32% |
$0.000000 |
2,033,851 |
20 Sep 2023 |
Common stock |
6,484 |
$0.0500 |
Direct |
F1 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.
Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
Explanation of Responses: