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Signature
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/s/ Raoul Maitra, attorney-in-fact for Uwe Schramm
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Stock symbol
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ALTR
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Transactions as of
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Sep 1, 2021
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Transactions value $
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-$349,100
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Form type
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4
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Date filed
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9/1/2021, 04:47 PM
Transactions Table
Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Ownership |
Footnotes |
transaction |
ALTR |
Class A Common Stock |
Options Exercise |
$25.9K |
+5K |
+11.56% |
$5.18* |
48.3K |
Sep 1, 2021 |
Direct |
F1 |
transaction |
ALTR |
Class A Common Stock |
Sale |
-$375K |
-5K |
-10.36% |
$75.00 |
43.3K |
Sep 1, 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 |
-5K |
-28.84% |
$0.00 |
12.3K |
Sep 1, 2021 |
Class A Common Stock |
5K |
$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