Insider Transactions and Holdings
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Entity Type
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Individual
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Role
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Director
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Stock Symbol
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MTX on NYSE
There are no Buy or Sell transactions made by Donald C. Winter since 10/5/2023
| Class |
Num Shares |
Value |
Price $ |
Transaction Date |
Ownership |
Underlying Class |
Underlying Amount |
| Phantom Stock Units |
19.4K |
$1.33M |
$68.78 |
Mar 10, 2022 |
Direct |
Common Stock |
|
| Sym |
Class |
Transaction |
% |
Value $ |
* Price $ |
Shares |
Shares After |
Date |
Ownership |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.