X0306 4 2019-05-02 false 0000844965 TETRA TECHNOLOGIES INC TTI 0001182288 WALLACE BASS C JR 24955 INTERSTATE 45 NORTH THE WOODLANDS TX 77380 false true false false Sr VP & General Counsel Common Stock 2019-05-02 4 F false 654.00 2.20 D 182577.00 D Common Stock 35848.00 I by 401(k) Plan Restricted Stock Unit 2019-05-02 4 A false 40742.00 A Common Stock 40742.00 148362.00 D Reflects shares surrendered to the Issuer to satisfy tax withholding obligations upon the vesting of restricted stock granted on May 2, 2016. Rounded. Reflects shares held for the Reporting Person's account by the Trustee of TETRA Technologies, Inc. 401(k) Retirement Plan as of March 31, 2019. Each restricted stock unit ("RSU") represents the contingent right to receive one share of Issuer's common stock upon vesting of the unit. The closing price of the Issuer's common stock on the date of this RSU award was $ 2.20. The RSU was granted pursuant to the TETRA Technologies, Inc. 2018 Equity Incentive Plan. The award will cliff-vest on May 2, 2022, subject to continued service with the Issuer on the 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 2019-05-06