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TTEK TETRA TECH INC Insider Trading

Latest: Director Bought $50K of Shares · May 2026

Multiple insiders have been active at TETRA TECH INC (TTEK): 5 distinct insiders account for 1 buy filing and 5 sell filings as of May 2026. Its highest-significance filing in the last 90 days: Director Feeler Jeffrey R bought $50K, transaction dated May 2026.

6 filings analyzed · Latest 2026-05-15

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Buys
1
Sells
5
Insiders
5
Direction
Net selling

TETRA TECH INC leadership

CEO
Roger R. Argus — Chief Executive Officer
CFO
Steven M. Burdick — Chief Financial Officer
COO
Roger R. Argus — President
Chair
Dan L. Batrack — Chairman and Chief Executive Officer

Historically, medium-priority insider buys have outperformed the S&P 500 by a median ~1% over the 30 days after the trade — the edge is concentrated in that first month (n ≈ 7,162, 2024-2026). Past results don't predict the future. How we measure this ↗

May 2026
2026-05-15
medium
1,900 shares
$50,179
@ $26.41
Significance 4

Director Jeffrey R Feeler buys 1,900 shares of TTEK at $26.41 as stock down 39.3% from 52-week high

Jeffrey R Feeler purchased 1,900 shares at $26.41 on 2026-05-15, establishing an initial position in TETRA TECH. The purchase occurs in a context of significant price deterioration: the stock is trading at $26.18, down 39.3% from its 52-week high of $43.14, and has declined 28.7% over the past 90 days. The company maintains solid fundamentals with $1.2B in quarterly revenue, $93.8M net income, and a reasonable P/E of 15.40, suggesting the price decline has created valuation relative to operational performance. As a director's first documented purchase in this filing, the transaction provides a data point on insider positioning during a period of weakness, though the modest share count and absence of prior holdings context limits the signaling strength.

September 2024
2024-09-12
high
EVP, Chief Sustainability
78,420 shares
$3,616,025
@ $46.11
Significance 6

EVP Leslie Shoemaker sells 78,420 TTEK shares at $46.11 (-20.9% holding reduction); prior TTEK sale in June also preceded 90-day decline

Leslie Shoemaker, EVP and Chief Sustainability, sold 78,420 shares (78.4K shares) of TETRA TECH INC at $46.11 on 2024-09-10, reducing his holdings by 20.9% (from 374,435 to 296,015 shares). This represents his second open-market sale at TTEK in recent quarters; his prior TTEK sale on 2024-06-13 was followed by negative 90-day and 30-day returns of -80.8% and -78.0% respectively. Across his cross-ticker trading history, his 1 prior sell also yielded a well-timed rate of 100.00%, with average 90-day returns of -78.0%, meaning his sells have historically preceded stock declines. While TTEK trades at a low P/E of 8.48 with strong FY revenue growth of +29.1%, the repeated pattern of Shoemaker selling followed by weakness warrants attention to whether this reflects material near-term headwinds not yet visible in current fundamentals.

2024-09-12
high
EVP, CFO
36,830 shares
$1,715,173
@ $46.57
Significance 7

CFO STEVEN M BURDICK sold 36.8K TTEK shares at $46.57; pattern shows 2 of 2 prior TTEK sales were well-timed at 90-day mark

CFO Burdick sold 36,830 shares at $46.57 on 2024-09-11, reducing holdings by 24.6%, continuing a pattern observed in his prior two TTEK transactions (2024-02-22 and 2024-02-05). Both earlier sales were well-timed at the 90-day mark, with negative 90-day returns of -79.3% and -74.8% respectively, indicating he sold before subsequent declines. His cross-ticker track record also shows a 100.00% 90-day well-timed rate across 2 prior sells. The stock now trades at $46.06, down 3.1% from its 52-week high of $47.55; the near-term context (30-day +2.2%, 90-day +10.4%) will clarify whether this latest sale follows the same predictive pattern. Fundamentally, TTEK shows strength with +29.1% annual revenue growth, $1.3B in quarterly revenue, and a low 8.48 P/E, but the CFO's consistent exit timing at this ticker deserves investor attention.

August 2024
2024-08-08
high
CHAIRMAN AND CEO
17,924 shares
$4,081,734
@ $227.72
Significance 6

CEO Dan Batrack sold 17,924 shares of TTEK for $4.1M at $227.72, reducing holdings 41.9%; prior sell was 100% well-timed at 90d mark

CEO Dan Batrack sold 17,924 shares (41.9% of pre-transaction holdings) at $227.72 on 2024-08-06 for $4.1M. His prior cross-ticker track record shows 1 prior sell with a 100% well-timed rate at the 90-day mark, and at this same ticker (TTEK), his 2023-11-28 sell delivered -78.0% 90-day return—a signal he sold ahead of weakness. Current price of $46.35 is -0.3% from the 52-week high, and the stock has gained +16.1% over the past 30 days and +8.4% over 90 days since the August 2024 sale. The company's fundamentals remain solid (P/E 8.54, +29.1% annual revenue growth, $85.8M net income on $1.3B quarterly revenue), but the magnitude of this reduction and his demonstrated pattern of well-timed exits warrants investor attention to any forward guidance changes or business headwinds that may not yet be reflected in recent price action.

2024-08-08
medium
SVP, General Counsel
5,000 shares
$1,165,350
@ $233.07
Significance 4

SVP/General Counsel Hopson Preston III sold 5,000 TTEK shares at $233.07; holdings reduced 36.4% to 8,742 shares

Hopson Preston III, serving as SVP and General Counsel, sold 5,000 shares of TETRA TECH INC at $233.07 on 2024-08-07, reducing his direct holdings by 36.4% from 13,742 shares to 8,742 shares. The sale occurred when the stock was trading near its 52-week high of $46.50 (current price $46.35, -0.3% from peak), and the company is showing strong fundamentals with annual revenue growth of +29.1%, a P/E of 8.54, and recent quarterly revenue of $1,344,323,000.00 with net income of $85,824,000.00. The material reduction in his stake—eliminating one-third of holdings in a single transaction at an elevated valuation—represents a significant change in his ownership position that warrants investor attention, though the underlying business momentum and low valuation multiple provide contextual backdrop for the transaction.

June 2024
2024-06-14
medium
EVP, Chief Sustainability
11,161 shares
$2,364,257
@ $211.83
Significance 5

EVP Leslie L Shoemaker sells 11,161 shares of TTEK for $2.4M at $211.83; retains 74,887 shares post-sale

Chief Sustainability Officer Leslie L Shoemaker sold 11,161 shares of Tetra Tech at $211.83 on 2024-06-13, reducing her stake from 86,048 to 74,887 shares (13.0% reduction from pre-transaction holdings). The sale occurred at a price substantially above current market levels ($41.73 current vs $211.83 transaction price), reflecting significant stock price decline since the June 2024 transaction date. Tetra Tech's fundamentals remain solid with $1.3B quarterly revenue, 29.1% annual revenue growth, and an 8.41 P/E ratio, though the stock currently trades 5.3% below its 52-week high. The executive retained meaningful equity position post-sale, indicating continued material stake in the company.

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