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Signature
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/s/ Andrew Shutterly, as Attorney-in-Fact
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Issuer symbol
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ALT
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Transactions as of
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19 Aug 2024
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Net transactions value
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-$4,172
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Form type
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4
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Filing time
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20 Aug 2024, 18:05:08 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 |
$52,000 |
+20,000 |
+67% |
$2.60 |
49,785 |
19 Aug 2024 |
See Footnote |
F1, F2 |
| transaction |
ALT |
Common Stock, par value $0.0001 |
Sale |
$54,241 |
-7,827 |
-16% |
$6.93 |
41,958 |
19 Aug 2024 |
See Footnote |
F2, F3 |
| transaction |
ALT |
Common Stock, par value $0.0001 |
Options Exercise |
$54,375 |
+21,750 |
+52% |
$2.50 |
63,708 |
19 Aug 2024 |
See Footnote |
F1, F2 |
| transaction |
ALT |
Common Stock, par value $0.0001 |
Sale |
$56,306 |
-8,184 |
-13% |
$6.88 |
55,524 |
19 Aug 2024 |
See Footnote |
F2, 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 |
ALT |
Stock Options (option to buy) |
Options Exercise |
$0 |
-20,000 |
-100% |
$0.000000 |
0 |
19 Aug 2024 |
Common Stock, par value $0.0001 |
20,000 |
$2.60 |
Direct |
F4 |
| transaction |
ALT |
Stock Options (option to buy) |
Options Exercise |
$0 |
-21,750 |
-83% |
$0.000000 |
4,350 |
19 Aug 2024 |
Common Stock, par value $0.0001 |
21,750 |
$2.50 |
Direct |
F5 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Explanation of Responses:
Remarks:
Exhibit 24 - Power of Attorney