CARTER BRIAN N 4

What Happened Brian N. Carter, Senior Vice President and Corporate Controller of Tetra Tech (TTEK), sold 9,979 shares in an open-market transaction on February 4, 2026. The reported weighted-average price was $40.23 per share, for total proceeds of approximately $401,405. This was a sale (not a purchase), which is often routine insider activity and does not necessarily signal a change in company outlook.

Key Details

• Transaction date: 2026-02-04 (reported on Form 4 filed 2026-02-06).
• Transaction type: Open-market sale of 9,979 shares (Code S).
• Price: Weighted average $40.23; individual trades ranged from $40.2244 to $40.225 (per footnote).
• Proceeds: Approximately $401,405.
• Shares owned after transaction: Not specified in the provided filing summary.
• Footnotes: F1 notes the column 4 price is a weighted average across multiple trades.
• Filing timeliness: Filed two days after the transaction; no late-filing indication provided.

Context Sales by officers can be for many reasons (diversification, taxes, personal liquidity) and are common; they are not by themselves a clear signal about company fundamentals. For retail investors, purchases tend to carry more informational weight than routine sales.