TETRA TECH INC - TTEK

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
Visible: 0
Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Mar 18, 2026 M D 1,718.0 0.0 0.0 0.0 View
Mar 18, 2026 M D 2,125.0 0.0 0.0 0.0 View
Mar 18, 2026 M D 1,900.0 0.0 0.0 0.0 View
Mar 18, 2026 M D 795.0 0.0 0.0 0.0 View
Mar 18, 2026 M D 795.0 0.0 0.0 0.0 View
Mar 18, 2026 M D 2,050.0 0.0 0.0 0.0 View
Mar 18, 2026 M D 2,910.0 0.0 0.0 0.0 View
Mar 18, 2026 M D 1,925.0 0.0 0.0 1,925.0 View
Mar 18, 2026 M D 2,250.0 0.0 0.0 2,250.0 View
Mar 18, 2026 M D 4,500.0 0.0 0.0 0.0 View
Mar 18, 2026 A A 25,883.0 0.0 0.0 192,259.0 View
Mar 18, 2026 M A 1,718.0 0.0 0.0 166,376.0 View
Mar 18, 2026 M A 2,125.0 0.0 0.0 164,658.0 View
Mar 18, 2026 M A 1,900.0 0.0 0.0 162,533.0 View
Mar 18, 2026 M A 795.0 0.0 0.0 160,633.0 View
Mar 18, 2026 M A 795.0 0.0 0.0 159,838.0 View
Mar 18, 2026 M A 2,050.0 0.0 0.0 159,043.0 View
Mar 18, 2026 M A 2,910.0 0.0 0.0 156,993.0 View
Mar 18, 2026 M A 1,925.0 0.0 0.0 154,083.0 View
Mar 18, 2026 M A 2,250.0 0.0 0.0 152,158.0 View
Mar 18, 2026 M A 4,500.0 0.0 0.0 149,908.0 View
Feb 20, 2026 M D 495.0 0.0 0.0 0.0 View
Feb 20, 2026 M A 495.0 0.0 0.0 9,666.0 View
Feb 20, 2026 President and CEO A A 28,174.0 0.0 0.0 28,174.0 View
Feb 12, 2026 M D 1,000.0 0.0 0.0 8,000.0 View
Feb 12, 2026 M A 1,000.0 9.59 9,590.0 70,218.0 View
Feb 06, 2026 SVP, Corporate Controller S D 9,979.0 40.225 401,405.28 46,496.0 View
Feb 06, 2026 EVP, CFO G D 11,100.0 0.0 0.0 138,251.0 View
Jan 28, 2026 A A 1,754.0 0.0 0.0 1,754.0 View
Jan 28, 2026 A A 1,754.0 0.0 0.0 1,754.0 View
Jan 14, 2026 M D 1,590.0 0.0 0.0 0.0 View
Jan 14, 2026 M D 2,050.0 0.0 0.0 0.0 View
Jan 14, 2026 A A 4,397.0 0.0 0.0 51,032.0 View
Jan 14, 2026 M A 1,590.0 0.0 0.0 46,635.0 View
Jan 14, 2026 M A 2,050.0 0.0 0.0 45,045.0 View
Jan 14, 2026 A A 5,270.0 0.0 0.0 42,995.0 View
Jan 14, 2026 A A 2,208.0 0.0 0.0 145,408.0 View
Dec 03, 2025 A A 1,964.0 0.0 0.0 1,964.0 View
Dec 02, 2025 Chairman and CEO M D 19,330.0 0.0 0.0 57,990.0 View
Dec 02, 2025 Chairman and CEO M D 21,255.0 0.0 0.0 42,505.0 View
Dec 02, 2025 Chairman and CEO A A 101,010.0 0.0 0.0 101,010.0 View
Dec 02, 2025 Chairman and CEO F D 22,396.0 34.74 778,037.04 332,498.0 View
Dec 02, 2025 Chairman and CEO M A 19,330.0 0.0 0.0 354,894.0 View
Dec 02, 2025 Chairman and CEO M A 21,255.0 0.0 0.0 335,564.0 View
Dec 02, 2025 President M D 2,455.0 0.0 0.0 7,363.0 View
Dec 02, 2025 President M D 2,735.0 0.0 0.0 5,460.0 View
Dec 02, 2025 President A A 19,641.0 0.0 0.0 19,641.0 View
Dec 02, 2025 President F D 2,865.0 34.74 99,530.1 39,890.0 View
Dec 02, 2025 President M A 2,455.0 0.0 0.0 42,755.0 View
Dec 02, 2025 President M A 2,735.0 0.0 0.0 40,300.0 View
Dec 02, 2025 M D 1,718.0 0.0 0.0 0.0 View
Dec 02, 2025 M D 1,000.0 9.59 9,590.0 9,000.0 View
Dec 02, 2025 A A 1,964.0 0.0 0.0 1,964.0 View
Dec 02, 2025 M A 1,000.0 9.59 9,590.0 69,218.0 View
Dec 02, 2025 M A 1,718.0 0.0 0.0 68,218.0 View
Dec 02, 2025 EVP, Chief Sustainability M D 3,682.0 0.0 0.0 11,046.0 View
Dec 02, 2025 EVP, Chief Sustainability M D 3,035.0 0.0 0.0 6,070.0 View
Dec 02, 2025 EVP, Chief Sustainability A A 19,641.0 0.0 0.0 19,641.0 View
Dec 02, 2025 EVP, Chief Sustainability F D 3,707.0 34.74 128,781.18 325,821.0 View
Dec 02, 2025 EVP, Chief Sustainability M A 3,682.0 0.0 0.0 329,528.0 View
Dec 02, 2025 EVP, Chief Sustainability M A 3,035.0 0.0 0.0 325,846.0 View
Dec 02, 2025 M D 1,718.0 0.0 0.0 0.0 View
Dec 02, 2025 A A 1,964.0 0.0 0.0 1,964.0 View
Dec 02, 2025 M A 1,718.0 0.0 0.0 9,171.0 View
Dec 02, 2025 EVP, Chief Legal/Human Capital M D 2,455.0 0.0 0.0 7,363.0 View
Dec 02, 2025 EVP, Chief Legal/Human Capital M D 2,735.0 0.0 0.0 5,460.0 View
Dec 02, 2025 EVP, Chief Legal/Human Capital A A 14,029.0 0.0 0.0 14,029.0 View
Dec 02, 2025 EVP, Chief Legal/Human Capital F D 2,044.0 34.74 71,008.56 83,142.0 View
Dec 02, 2025 EVP, Chief Legal/Human Capital M A 2,455.0 0.0 0.0 85,186.0 View
Dec 02, 2025 EVP, Chief Legal/Human Capital M A 2,735.0 0.0 0.0 82,731.0 View
Dec 02, 2025 M D 1,718.0 0.0 0.0 0.0 View
Dec 02, 2025 A A 1,964.0 0.0 0.0 1,964.0 View
Dec 02, 2025 M A 1,718.0 0.0 0.0 16,553.0 View
Dec 02, 2025 SVP, Corporate Controller M D 1,228.0 0.0 0.0 3,681.0 View
Dec 02, 2025 SVP, Corporate Controller M D 1,520.0 0.0 0.0 3,030.0 View
Dec 02, 2025 SVP, Corporate Controller A A 5,612.0 0.0 0.0 5,612.0 View
Dec 02, 2025 SVP, Corporate Controller M D 1,265.0 0.0 0.0 1,265.0 View
Dec 02, 2025 SVP, Corporate Controller M D 995.0 0.0 0.0 0.0 View
Dec 02, 2025 SVP, Corporate Controller F D 1,500.0 34.74 52,110.0 56,475.0 View
Dec 02, 2025 SVP, Corporate Controller M A 1,228.0 0.0 0.0 57,975.0 View
Dec 02, 2025 SVP, Corporate Controller M A 1,520.0 0.0 0.0 56,747.0 View
Dec 02, 2025 SVP, Corporate Controller F D 5,977.0 35.69 213,319.13 55,227.0 View
Dec 02, 2025 SVP, Corporate Controller A A 10,954.0 0.0 0.0 61,204.0 View
Dec 02, 2025 SVP, Corporate Controller F D 1,234.0 35.69 44,041.46 50,250.0 View
Dec 02, 2025 SVP, Corporate Controller M A 1,265.0 0.0 0.0 51,484.0 View
Dec 02, 2025 SVP, Corporate Controller M A 995.0 0.0 0.0 50,219.0 View
Dec 02, 2025 EVP, CFO M D 3,682.0 0.0 0.0 11,046.0 View
Dec 02, 2025 EVP, CFO M D 3,645.0 0.0 0.0 7,285.0 View
Dec 02, 2025 EVP, CFO A A 19,641.0 0.0 0.0 19,641.0 View
Dec 02, 2025 EVP, CFO F D 4,044.0 34.74 140,488.56 149,219.0 View
Dec 02, 2025 EVP, CFO M A 3,682.0 0.0 0.0 153,263.0 View
Dec 02, 2025 EVP, CFO M A 3,645.0 0.0 0.0 149,581.0 View
Dec 02, 2025 A A 1,964.0 0.0 0.0 1,964.0 View
Nov 20, 2025 EVP, CFO M D 3,170.0 0.0 0.0 3,165.0 View
Nov 20, 2025 EVP, CFO M D 2,520.0 0.0 0.0 0.0 View
Nov 20, 2025 EVP, CFO F D 15,112.0 35.69 539,347.28 145,936.0 View
Nov 20, 2025 EVP, CFO A A 27,384.0 0.0 0.0 161,048.0 View
Nov 20, 2025 EVP, CFO F D 3,141.0 35.69 112,102.29 133,664.0 View
Nov 20, 2025 EVP, CFO M A 3,170.0 0.0 0.0 136,805.0 View
Nov 20, 2025 EVP, CFO M A 2,520.0 0.0 0.0 133,635.0 View
Nov 20, 2025 EVP, Chief Legal/Human Capital M D 2,535.0 0.0 0.0 2,535.0 View
Nov 20, 2025 EVP, Chief Legal/Human Capital M D 2,055.0 0.0 0.0 0.0 View
Nov 20, 2025 EVP, Chief Legal/Human Capital F D 8,620.0 35.69 307,647.8 79,996.0 View
Nov 20, 2025 EVP, Chief Legal/Human Capital A A 21,902.0 0.0 0.0 88,616.0 View
Nov 20, 2025 EVP, Chief Legal/Human Capital F D 1,807.0 35.69 64,491.83 66,714.0 View
Nov 20, 2025 EVP, Chief Legal/Human Capital M A 2,535.0 0.0 0.0 68,521.0 View
Nov 20, 2025 EVP, Chief Legal/Human Capital M A 2,055.0 0.0 0.0 65,986.0 View
Nov 20, 2025 EVP, Chief Sustainability M D 3,170.0 0.0 0.0 3,165.0 View
Nov 20, 2025 EVP, Chief Sustainability M D 2,520.0 0.0 0.0 0.0 View
Nov 20, 2025 EVP, Chief Sustainability F D 15,112.0 35.69 539,347.28 322,811.0 View
Nov 20, 2025 EVP, Chief Sustainability A A 27,384.0 0.0 0.0 337,923.0 View
Nov 20, 2025 EVP, Chief Sustainability F D 3,141.0 35.69 112,102.29 310,539.0 View
Nov 20, 2025 EVP, Chief Sustainability M A 3,170.0 0.0 0.0 313,680.0 View
Nov 20, 2025 EVP, Chief Sustainability M A 2,520.0 0.0 0.0 310,510.0 View
Nov 20, 2025 A A 3,643.0 0.0 0.0 7,453.0 View
Nov 20, 2025 President M D 2,535.0 0.0 0.0 2,535.0 View
Nov 20, 2025 President M D 2,055.0 0.0 0.0 0.0 View
Nov 20, 2025 President F D 12,086.0 35.69 431,349.34 37,565.0 View
Nov 20, 2025 President A A 21,902.0 0.0 0.0 49,651.0 View
Nov 20, 2025 President F D 2,533.0 35.69 90,402.77 27,749.0 View
Nov 20, 2025 President M A 2,535.0 0.0 0.0 30,282.0 View
Nov 20, 2025 President M A 2,055.0 0.0 0.0 27,747.0 View
Nov 20, 2025 A A 4,104.0 0.0 0.0 14,835.0 View
Nov 20, 2025 Chairman and CEO M D 19,015.0 0.0 0.0 19,010.0 View
Nov 20, 2025 Chairman and CEO M D 14,030.0 0.0 0.0 0.0 View
Nov 20, 2025 Chairman and CEO F D 90,653.0 35.69 3,235,405.57 314,309.0 View
Nov 20, 2025 Chairman and CEO A A 164,285.0 0.0 0.0 404,962.0 View
Nov 20, 2025 Chairman and CEO F D 18,235.0 35.69 650,807.15 240,677.0 View
Nov 20, 2025 Chairman and CEO M A 19,015.0 0.0 0.0 258,912.0 View
Nov 20, 2025 Chairman and CEO M A 14,030.0 0.0 0.0 239,897.0 View
Nov 20, 2025 A A 4,104.0 0.0 0.0 66,500.0 View