Tetra Tech Inc. (TTEK) is not planning a reverse stock split as of the latest information available. The company has announced a forward stock split, which is a 5-for-1 split that will increase the number of shares outstanding but not change the total value of the company's stock1. This split is expected to be effective after the close of trading on September 6, 2024, with trading to commence on a split-adjusted basis from September 9, 202421.