-
Signature
-
/s/ Kent A. Tapper, as Attorney-in-Fact
-
Issuer symbol
-
ALT
-
Transactions as of
-
27 Jun 2022
-
Net transactions value
-
-$368,502
-
Form type
-
4
-
Filing time
-
28 Jun 2022, 19:00:41 UTC
Transactions Table
| Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Ownership |
Footnotes |
| transaction |
ALT |
Common Stock, par value $0.0001 |
Options Exercise |
$49,153 |
+25,583 |
+145% |
$1.92 |
43,283 |
27 Jun 2022 |
Direct |
|
| transaction |
ALT |
Common Stock, par value $0.0001 |
Options Exercise |
$30,599 |
+11,769 |
+27% |
$2.60 |
55,052 |
27 Jun 2022 |
Direct |
|
| transaction |
ALT |
Common Stock, par value $0.0001 |
Sale |
$448,254 |
-37,352 |
-68% |
$12.00 |
17,700 |
27 Jun 2022 |
Direct |
F1, F2 |
| holding |
ALT |
Common Stock, par value $0.0001 |
|
|
|
|
|
15 |
27 Jun 2022 |
Shares held by spouse of Reporting Person |
|
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 |
ALT |
Stock Options (option to buy) |
Options Exercise |
$0 |
-25,583 |
-42% |
$0.000000 |
35,817 |
27 Jun 2022 |
Common Stock, par value $0.0001 |
61,400 |
$1.92 |
Direct |
F3 |
| transaction |
ALT |
Stock Options (option to buy) |
Options Exercise |
$0 |
-11,769 |
-39% |
$0.000000 |
18,231 |
27 Jun 2022 |
Common Stock, par value $0.0001 |
30,000 |
$2.60 |
Direct |
F4 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Explanation of Responses:
Remarks:
Exhibit 24 - Power of Attorney