-
Signature
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/s/ Raoul Maitra, attorney-in-fact for Uwe Schramm
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Issuer symbol
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ALTR
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Transactions as of
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01 Sep 2021
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Net transactions value
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-$349,100
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Form type
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4
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Filing time
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01 Sep 2021, 16:47:27 UTC
Transactions Table
| Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Ownership |
Footnotes |
| transaction |
ALTR |
Class A Common Stock |
Options Exercise |
$25,900 |
+5,000 |
+12% |
$5.18* |
48,265 |
01 Sep 2021 |
Direct |
F1 |
| transaction |
ALTR |
Class A Common Stock |
Sale |
$375,000 |
-5,000 |
-10% |
$75.00 |
43,265 |
01 Sep 2021 |
Direct |
F1, F2 |
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 |
ALTR |
Stock Option (Right to Buy) |
Options Exercise |
$0 |
-5,000 |
-29% |
$0.000000 |
12,336 |
01 Sep 2021 |
Class A Common Stock |
5,000 |
$5.18 |
Direct |
F3 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Explanation of Responses:
Remarks:
Chief Technical Officer, Modeling/Visualization