-
Signature
-
/s/ Eva Wen, by power of attorney
-
Issuer symbol
-
AMPH
-
Transactions as of
-
25 Feb 2022
-
Net transactions value
-
-$304,577
-
Form type
-
4
-
Filing time
-
01 Mar 2022, 15:07:28 UTC
Transactions Table
| Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Ownership |
Footnotes |
| transaction |
AMPH |
Common Stock |
Options Exercise |
$76,510 |
+7,000 |
+9.1% |
$10.93 |
83,553 |
25 Feb 2022 |
Direct |
|
| transaction |
AMPH |
Common Stock |
Sale |
$381,087 |
-13,246 |
-16% |
$28.77 |
70,307 |
25 Feb 2022 |
Direct |
F1 |
| holding |
AMPH |
Common Stock |
|
|
|
|
|
99,668 |
25 Feb 2022 |
See footnote |
F2 |
| holding |
AMPH |
Common Stock |
|
|
|
|
|
5,000 |
25 Feb 2022 |
See footnote |
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 |
AMPH |
Employee Stock Option (right to buy) |
Options Exercise |
$0 |
-7,000 |
-100% |
$0.000000* |
0 |
25 Feb 2022 |
Common Stock |
7,000 |
$10.93 |
Direct |
F4 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Explanation of Responses:
Remarks:
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).