Form SC 13G/A TRECORA RESOURCES Filed by: WELLINGTON MANAGEMENT GROUP LLP Nov 10, 2021 08:51AM
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Feb 8, 2018 12:14PM Form SC 13G/A TRECORA RESOURCES Filed by: WELLINGTON MANAGEMENT GROUP LLP
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Feb 12, 2015 10:55AM Form SC 13G/A TRECORA RESOURCES Filed by: WELLINGTON MANAGEMENT GROUP LLP