This energy services firm provides specialized fluids and water management solutions to oil and gas operators worldwide. What happenedAccording to a SEC filing published Jan. 20, 2026, Pullen Investment Management, LLC sold 384,274 shares of TETRA Technologies during the fourth quarter. TETRA Technologies, Inc. is a diversified energy services company specializing in completion fluids, chemical products, and water management solutions for the oil and gas sector. What this transaction means for investorsShares of TETRA Technologies have more than doubled over the past year. This follows a year in which the energy services company saw a significant improvement in its profitability compared to 2024.