{"data":[{"accessionNo":"0001465109-26-000077","formType":"SCHEDULE 13G/A","amendmentNo":1,"issuerCik":"0000844965","issuerName":"TETRA TECHNOLOGIES INC","ticker":"TTI","cusip":"88162F105","securityClass":"COMMON","eventDate":"2026-09-30","reportingPerson":"Neuberger Berman Group LLC","reportingCik":null,"personType":"HC","sharesOwned":7367454,"percentOfClass":4.9,"filedAt":"2026-10-06","canonicalUrl":"https://xoomar.com/markets/stocks/tti"},{"accessionNo":"0001465109-26-000077","formType":"SCHEDULE 13G/A","amendmentNo":1,"issuerCik":"0000844965","issuerName":"TETRA TECHNOLOGIES INC","ticker":"TTI","cusip":"88162F105","securityClass":"COMMON","eventDate":"2026-09-30","reportingPerson":"Neuberger Berman Investment Advisers LLC","reportingCik":null,"personType":"IA","sharesOwned":6725608,"percentOfClass":4.5,"filedAt":"2026-10-06","canonicalUrl":"https://xoomar.com/markets/stocks/tti"},{"accessionNo":"0001193125-26-225539","formType":"SCHEDULE 13G/A","amendmentNo":1,"issuerCik":"0000844965","issuerName":"TETRA Technologies, Inc.","ticker":"TTI","cusip":"88162F105","securityClass":"Common Stock","eventDate":"2026-03-31","reportingPerson":"Ameriprise Financial, Inc.","reportingCik":null,"personType":"HC","sharesOwned":5515522,"percentOfClass":4.1,"filedAt":"2026-05-15","canonicalUrl":"https://xoomar.com/markets/stocks/tti"},{"accessionNo":"0000102909-26-002451","formType":"SCHEDULE 13G/A","amendmentNo":3,"issuerCik":"0000844965","issuerName":"TETRA Technologies Inc","ticker":"TTI","cusip":"88162F105","securityClass":"Common Stock","eventDate":"2026-03-13","reportingPerson":"The Vanguard Group","reportingCik":null,"personType":"IA","sharesOwned":0,"percentOfClass":0,"filedAt":"2026-03-27","canonicalUrl":"https://xoomar.com/markets/stocks/tti"},{"accessionNo":"0001193125-26-053526","formType":"SCHEDULE 13G","amendmentNo":null,"issuerCik":"0000844965","issuerName":"TETRA Technologies, Inc.","ticker":"TTI","cusip":null,"securityClass":"Common Stock","eventDate":"2025-12-31","reportingPerson":"Ameriprise Financial, Inc.","reportingCik":null,"personType":"HC","sharesOwned":6914495,"percentOfClass":5.2,"filedAt":"2026-02-17","canonicalUrl":"https://xoomar.com/markets/stocks/tti"},{"accessionNo":"0001941040-26-000183","formType":"SCHEDULE 13G/A","amendmentNo":9,"issuerCik":"0000844965","issuerName":"TETRA TECHNOLOGIES INC","ticker":"TTI","cusip":null,"securityClass":"Common Stock","eventDate":"2025-12-31","reportingPerson":"Fuller & Thaler Asset Management, Inc.","reportingCik":null,"personType":"IA","sharesOwned":6565.86,"percentOfClass":0,"filedAt":"2026-02-17","canonicalUrl":"https://xoomar.com/markets/stocks/tti"},{"accessionNo":"0002012383-25-002714","formType":"SCHEDULE 13G/A","amendmentNo":3,"issuerCik":"0000844965","issuerName":"TETRA TECHNOLOGIES INC","ticker":"TTI","cusip":null,"securityClass":"Common Stock","eventDate":"2025-09-30","reportingPerson":"BlackRock, Inc.","reportingCik":null,"personType":"HC","sharesOwned":10171712,"percentOfClass":7.6,"filedAt":"2025-10-17","canonicalUrl":"https://xoomar.com/markets/stocks/tti"}],"updatedAt":"2026-11-04T05:44:08.264Z","source":"xoomar.com","docs":"https://xoomar.com/markets/api","license":"https://xoomar.com/terms","attribution":"Credit XOOMAR with a link to the dataset page on xoomar.com when you republish this data","canonicalUrl":"https://xoomar.com/markets/stocks/tti","meta":{"source":"SEC","sourceAttribution":"Schedule 13D and 13G data: SEC.","notice":"10 requests a minute without a key, 30 with a free key. Get a free key at https://xoomar.com/signup?utm_source=api, register your app at https://xoomar.com/developers/register?utm_source=api, and credit the data as \"Data: XOOMAR\" together with the sourceAttribution line."}}