X0306 4 2022-03-21 false 0000844965 TETRA TECHNOLOGIES INC TTI 0001221980 SULLIVAN WILLIAM D 24955 INTERSTATE 45 NORTH THE WOODLANDS TX 77380 true false false false Common Stock 2022-03-21 4 S false 165571.00 3.5616 D 268269.00 D Common Stock 2022-03-21 4 S false 34900.00 3.5601 D 233369.00 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.55 to $3.595, inclusive. The reporting person undertakes to provide to TETRA Technologies, Inc., any security holder of TETRA Technologies, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.55 to $3.585, inclusive. The reporting person undertakes to provide to TETRA Technologies, Inc., any security holder of TETRA Technologies, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Kimberly M. O'Brien, attorney in fact 2022-03-22