X0306 4 2021-05-10 false 0000844965 TETRA TECHNOLOGIES INC TTI 0001230117 BATES THOMAS R JR 24955 INTERSTATE 45 NORTH THE WOODLANDS TX 77380 true false false false Common Stock 2021-05-10 4 P false 15000.00 3.349 A 408044.00 D The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $3.345 to $3.35, 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 acquired at each separate price within the ranges set forth in Footnote 1 to this Form 4. Kimberly M. O'Brien, attorney in fact 2021-05-11