TTEK
insider transactionsTETRA TECH INC — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 365d
-10.5K
1.9K buy · 12.4K sell
Net value · 365d
-$437.3K
$50.2K in · $487.5K out
Sentiment · 365d
Net selling
9% buying · 91% selling
Open-market trades · 365d
3
1.9K buy · 12.4K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
Transactions · 365d
-
Sell·S
SVP, Corporate Controller
$401.5K
10.0K sh · $40.23
Own -18%
-
Sell·S
Director
$86.0K
2.4K sh · $36.00
Own -6%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Feb 4, 2026 | CARTER BRIAN N | Sell S | 10.0K | $401.5K |
| Aug 14, 2025 | Birkenbeuel Gary | Sell S | 2.4K | $86.0K |
Buy Sell Non-market (grant · exercise · gift)
About TTEK insider trading
This page tracks insider transactions for TETRA TECH INC (TTEK) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.