X0306 4 2019-02-21 false 0000844965 TETRA TECHNOLOGIES INC TTI 0001689601 SANDERSON MATTHEW 24955 INTERSTATE 45 N THE WOODLANDS TX 77380 false true false false Senior Vice President Common Stock 2019-02-22 4 F false 5189.00 2.56 D 140244.00 D Restricted Stock Unit 2019-02-21 4 A false 107620.00 A Common Stock 107620.00 107620.00 D Reflects shares surrendered to the Issuer to satisfy tax withholding obligations upon the vesting of restricted stock granted on February 22, 2018. Each restricted stock unit ("RSU") represents the contingent right to receive one share of Issuers common stock or cash in lieu thereof upon vesting of the unit. The closing price of the Issuers common stock on the date of this RSU award was $2.50. The RSU was granted pursuant to the TETRA Technologies, Inc. 2018 Equity Incentive Plan. One-third of the award will vest on February 21, 2020, and one-sixth at the completion of each six-month period thereafter until February 21, 2022, subject to continued service with the Issuer on each respective vesting date. Vested shares will be delivered to the reporting person on the settlement date unless the Issuer elects to settle the RSUs in cash, or a combination of shares and cash, in the Issuer's sole discretion. Kimberly M. O'Brien, attorney in fact 2019-02-25