Kenneth J Thompson
CIK 1188787 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 25, 2025 · Latest: Feb. 25, 2025
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-519,250
+ 72 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
72 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 19, 2026 | CDE | S | 25,000 | $20.77 | $519,250 | 257,333 Direct | -8.85% | Disposed | 2.7% (price as of 2026-08-21) |
| Aug. 12, 2025 | CDE | S | 8,324 | $11.74 | $97,724 | 277,086 Direct | -2.92% | Disposed | 81.7% (price as of 2026-08-21) |
| Feb. 14, 2024 | TTEK | S | 3,500 | $177.24 | $620,340 | 10,985 Direct | -24.16% | Disposed | 3.6% (price as of 2026-08-21) |
| Feb. 5, 2024 | TTEK | S | 8,400 | $165.00 | $1,386,000 | 14,485 Direct | -36.71% | Disposed | 11.3% (price as of 2026-08-21) |
| Nov. 20, 2023 | TTEK | S | 3,510 | $165.71 | $581,642 | 13,376 Direct | -20.79% | Disposed | 10.8% (price as of 2026-08-21) |
| Nov. 20, 2023 | TTEK | S | 950 | $166.03 | $157,728 | 16,886 Direct | -5.33% | Disposed | 10.6% (price as of 2026-08-21) |
| June 13, 2023 | TTEK | S | 2,500 | $156.21 | $390,525 | 17,836 Direct | -12.29% | Disposed | 17.6% (price as of 2026-08-21) |
| June 2, 2023 | TTEK | S | 5,000 | $152.31 | $761,550 | 20,336 Direct | -19.73% | Disposed | 20.6% (price as of 2026-08-21) |
| March 9, 2023 | ALK | S | 3,500 | $48.58 | $170,030 | 29,907 Direct | -10.48% | Disposed | -16.4% (price as of 2026-08-21) |
| March 7, 2023 | CDE | P | 10,000 | $2.93 | $29,300 | 234,122 Direct | +4.46% | Acquired | 628.2% (price as of 2026-08-21) |
| Nov. 14, 2022 | TTEK | S | 3,500 | $158.98 | $556,430 | 23,308 Direct | -13.06% | Disposed | 15.5% (price as of 2026-08-21) |
| Sept. 3, 2021 | TTEK | S | 4,200 | $152.03 | $638,526 | 24,438 Direct | -14.67% | Disposed | 20.8% (price as of 2026-08-21) |
| March 8, 2021 | ALK | S | 2,500 | $68.66 | $171,650 | 34,995 Direct | -6.67% | Disposed | -40.8% (price as of 2026-08-21) |
| Feb. 5, 2021 | TTEK | S | 4,200 | $134.21 | $563,682 | 24,438 Direct | -14.67% | Disposed | 36.8% (price as of 2026-08-21) |
| Nov. 30, 2020 | TTEK | S | 2,500 | $120.89 | $302,225 | 24,438 Direct | -9.28% | Disposed | 51.9% (price as of 2026-08-21) |
| Aug. 3, 2020 | TTEK | S | 4,200 | $90.74 | $381,108 | 23,756 Direct | -15.02% | Disposed | 102.4% (price as of 2026-08-21) |
| March 16, 2020 | CDE | P | 10,000 | $2.61 | $26,100 | 178,223 Direct | +5.94% | Acquired | 717.5% (price as of 2026-08-21) |
| Feb. 5, 2020 | TTEK | S | 8,000 | $89.77 | $718,160 | 23,756 Direct | -25.19% | Disposed | 104.6% (price as of 2026-08-21) |
| Aug. 16, 2019 | TTEK | S | 4,200 | $80.08 | $336,336 | 20,176 Direct | -17.23% | Disposed | 129.3% (price as of 2026-08-21) |
| May 21, 2019 | CDE | P | 15,000 | $2.93 | $43,950 | 150,645 Direct | +11.06% | Acquired | 628.2% (price as of 2026-08-21) |
| March 5, 2019 | TTEK | S | 5,474 | $60.00 | $328,440 | 20,676 Direct | -20.93% | Disposed | 206.0% (price as of 2026-08-21) |
| March 4, 2019 | TTEK | S | 2,526 | $60.00 | $151,560 | 20,676 Direct | -10.89% | Disposed | 206.0% (price as of 2026-08-21) |
| Feb. 6, 2019 | TTEK | S | 8,000 | $55.24 | $441,920 | 20,676 Direct | -27.90% | Disposed | 232.4% (price as of 2026-08-21) |
| Dec. 3, 2018 | ALK | S | 2,500 | $73.12 | $182,800 | 33,853 Direct | -6.88% | Disposed | -44.4% (price as of 2026-08-21) |
| Nov. 26, 2018 | CDE | P | 5,000 | $4.04 | $20,200 | 117,929 Direct | +4.43% | Acquired | 428.1% (price as of 2026-08-21) |
| Nov. 7, 2018 | CDE | P | 5,000 | $4.96 | $24,800 | 112,929 Direct | +4.63% | Acquired | 330.2% (price as of 2026-08-21) |
| Aug. 3, 2018 | CDE | P | 10,000 | $6.60 | $66,000 | 107,929 Direct | +10.21% | Acquired | 223.3% (price as of 2026-08-21) |
| Feb. 21, 2018 | TTEK | S | 8,000 | $50.01 | $400,080 | 18,296 Direct | -30.42% | Disposed | 267.2% (price as of 2026-08-21) |
Showing latest 100 of 214 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 5, 2024 | TTEK | STOCK OPTION | COMMON STOCK (4,200) | $40.80 | Nov. 19, 2026 | 4,200 | Disposed |
| Feb. 5, 2024 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (4,200) | $47.95 | Nov. 18, 2027 | 4,200 | Disposed |
| Nov. 21, 2023 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) [F3] | COMMON STOCK (425) | $0.00 | — | 425 | Acquired |
| Nov. 18, 2023 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (380) | $0.00 | — | 380 | Disposed |
| Nov. 18, 2022 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (318) | $0.00 | — | 318 | Disposed |
| Nov. 16, 2022 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (380) | $0.00 | — | 380 | Acquired |
| Nov. 23, 2021 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (318) | $0.00 | Nov. 19, 2022 | 318 | Acquired |
| Nov. 18, 2021 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (410) | $0.00 | Nov. 19, 2021 | 410 | Disposed |
| Sept. 3, 2021 | TTEK | STOCK OPTION | COMMON STOCK (4,200) | $27.16 | Nov. 20, 2025 | 4,200 | Disposed |
| Feb. 5, 2021 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (4,200) | $27.26 | Nov. 22, 2024 | 4,200 | Disposed |
| Nov. 19, 2020 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (410) | $0.00 | Nov. 19, 2021 | 410 | Acquired |
| Nov. 18, 2020 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (582) | $0.00 | Nov. 21, 2020 | 582 | Acquired |
| Aug. 3, 2020 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (4,200) | $28.58 | Nov. 22, 2021 | 4,200 | Disposed |
| Feb. 5, 2020 | TTEK | EMPLOYEE STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (8,000) | $22.81 | March 1, 2021 | 8,000 | Disposed |
| Nov. 21, 2019 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (582) | — | Nov. 21, 2020 | 582 | Acquired |
| Nov. 18, 2019 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (770) | — | Nov. 18, 2019 | 770 | Disposed |
| Aug. 16, 2019 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (4,200) | $24.26 | Nov. 16, 2020 | 4,200 | Disposed |
| March 5, 2019 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (5,474) | $25.27 | Feb. 28, 2020 | 5,474 | Disposed |
| March 4, 2019 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (2,526) | $25.27 | Feb. 28, 2020 | 2,526 | Disposed |
| Feb. 6, 2019 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (8,000) | $20.28 | March 1, 2019 | 8,000 | Disposed |
| Nov. 15, 2018 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (770) | — | Nov. 18, 2019 | 770 | Acquired |
| Feb. 21, 2018 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (8,000) | $22.40 | March 1, 2019 | 8,000 | Disposed |
| Nov. 17, 2017 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (4,200) | $47.95 | Nov. 17, 2027 | 4,200 | Acquired |
| Nov. 18, 2016 | TTEK | STOCK OPTION | COMMON STOCK (4,200) | $40.80 | Nov. 20, 2026 | 4,200 | Acquired |
| Nov. 16, 2016 | TTEK | RESTRICTED STOCK UNITS | COMMON STOCK (225) | $0.00 | Nov. 16, 2016 | 225 | Disposed |
| Aug. 3, 2016 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (8,000) | $18.87 | March 2, 2018 | 8,000 | Disposed |
| June 9, 2016 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (2,500) | $20.82 | May 1, 2017 | 2,500 | Disposed |
| Nov. 20, 2015 | TTEK | STOCK OPTION | COMMON STOCK (4,200) | $27.16 | Nov. 20, 2025 | 4,200 | Acquired |
| Nov. 16, 2015 | TTEK | RESTRICTED STOCK UNITS | COMMON STOCK (225) | $0.00 | Nov. 16, 2016 | 225 | Disposed |
| Nov. 21, 2014 | TTEK | STOCK OPTION | COMMON STOCK (4,200) | $27.26 | Nov. 21, 2022 | 4,200 | Acquired |
| Nov. 16, 2014 | TTEK | RESTRICTED STOCK UNITS | COMMON STOCK (225) | $0.00 | Nov. 16, 2016 | 225 | Disposed |
| Nov. 22, 2013 | TTEK | STOCK OPTION | COMMON STOCK (4,200) | $28.58 | Nov. 22, 2021 | 4,200 | Acquired |
| Nov. 16, 2013 | TTEK | RESTRICTED STOCK UNITS | COMMON STOCK (225) | $0.00 | Nov. 16, 2016 | 225 | Disposed |
| Nov. 16, 2012 | TTEK | RESTRICTED STOCK UNITS | COMMON STOCK (900) | — | Nov. 16, 2016 | 900 | Acquired |
| Nov. 16, 2012 | TTEK | STOCK OPTION | COMMON STOCK (4,200) | $24.26 | Nov. 16, 2020 | 4,200 | Acquired |
| Sept. 5, 2012 | CDE | Non-qualified Stock Option (right to buy) | Common Stock (4,630) | $20.80 | Jan. 6, 2013 | 4,630 | Disposed |
| Aug. 10, 2012 | CDE | Non-qualified Stock Option (right to buy) | Common Stock (665) | $18.50 | Sept. 17, 2012 | 665 | Disposed |
| Feb. 28, 2012 | TTEK | STOCK OPTION | COMMON STOCK (8,000) | $25.27 | March 1, 2020 | 8,000 | Acquired |
| March 1, 2011 | TTEK | STOCK OPTION | COMMON STOCK (8,000) | $22.81 | March 2, 2021 | 8,000 | Acquired |
| March 1, 2010 | TTEK | STOCK OPTION | COMMON STOCK (8,000) | $20.28 | Feb. 28, 2020 | 8,000 | Acquired |
| March 1, 2009 | TTEK | STOCK OPTION | COMMON STOCK (8,000) | $22.40 | March 1, 2019 | 8,000 | Acquired |
| March 1, 2008 | TTEK | STOCK OPTION | COMMON STOCK (8,000) | $18.87 | March 2, 2018 | 8,000 | Acquired |
| April 30, 2007 | TTEK | STOCK OPTION | COMMON STOCK (2,500) | $20.82 | April 30, 2017 | 2,500 | Acquired |
| Jan. 7, 2004 | CDE | Non-qualified Stock Option | Common Stock (13,404) | $6.66 | Jan. 7, 2014 | 13,404 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.