Derek G Amidon
Insider
First SEC filing: Nov. 15, 2017 · Latest: Nov. 15, 2023
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 18, 2022 | TTEK | M | 412 | · | · | 1,233 Direct | -25.05% | Disposed | (price as of 2026-10-05) |
| Nov. 18, 2022 | TTEK | M | 574 | · | · | 1,147 Direct | -33.35% | Disposed | (price as of 2026-10-05) |
| Nov. 18, 2022 | TTEK | M | 523 | · | · | 523 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Nov. 18, 2022 | TTEK | M | 539 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 18, 2022 | TTEK | F | 3,639 | $156.63 | $569,977 | 11,141 Direct | -24.62% | Disposed | 5.6% (price as of 2026-10-05) |
| Nov. 18, 2022 | TTEK | M | 412 | · | · | 14,780 Direct | +2.87% | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2022 | TTEK | M | 574 | · | · | 14,368 Direct | +4.16% | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2022 | TTEK | M | 523 | · | · | 13,794 Direct | +3.94% | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2022 | TTEK | M | 539 | · | · | 13,271 Direct | +4.23% | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2022 | TTEK | A | 6,158 | · | · | 12,732 Direct | +93.67% | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2022 | TTEK | A | 2,028 | · | · | 2,028 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 23, 2021 | TTEK | A | 1,645 | · | · | 1,645 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 23, 2021 | TTEK | F | 2,865 | $190.38 | $545,439 | 6,531 Direct | -30.49% | Disposed | -13.1% (price as of 2026-10-05) |
| Nov. 23, 2021 | TTEK | A | 6,466 | · | · | 9,396 Direct | +220.68% | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2021 | TTEK | M | 574 | · | · | 1,721 Direct | -25.01% | Disposed | (price as of 2026-10-05) |
| Nov. 18, 2021 | TTEK | M | 524 | · | · | 1,046 Direct | -33.38% | Disposed | (price as of 2026-10-05) |
| Nov. 18, 2021 | TTEK | M | 539 | · | · | 539 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Nov. 18, 2021 | TTEK | F | 918 | $187.88 | $172,474 | 2,203 Direct | -29.41% | Disposed | -12.0% (price as of 2026-10-05) |
| Nov. 18, 2021 | TTEK | M | 574 | · | · | 3,121 Direct | +22.54% | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2021 | TTEK | M | 524 | · | · | 2,547 Direct | +25.90% | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2021 | TTEK | M | 539 | · | · | 2,023 Direct | +36.32% | Acquired | (price as of 2026-10-05) |
| Feb. 16, 2021 | TTEK | M | 1,395 | · | · | 1,395 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Feb. 16, 2021 | TTEK | S | 6,052 | $136.70 | $827,308 | 1,484 Direct | -80.31% | Disposed | 21.0% (price as of 2026-10-05) |
| Feb. 16, 2021 | TTEK | S | 1,395 | $136.65 | $190,627 | 7,536 Direct | -15.62% | Disposed | 21.1% (price as of 2026-10-05) |
| Feb. 16, 2021 | TTEK | M | 1,395 | $47.95 | $66,890 | 8,931 Direct | +18.51% | Acquired | 245.0% (price as of 2026-10-05) |
| Nov. 19, 2020 | TTEK | A | 2,295 | · | · | 2,295 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2020 | TTEK | M | 524 | · | · | 1,570 Direct | -25.02% | Disposed | (price as of 2026-10-05) |
| Nov. 18, 2020 | TTEK | M | 539 | · | · | 1,078 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| Nov. 18, 2020 | TTEK | F | 4,819 | $122.00 | $587,918 | 7,478 Direct | -39.19% | Disposed | 35.6% (price as of 2026-10-05) |
| Nov. 18, 2020 | TTEK | A | 6,878 | · | · | 12,297 Direct | +126.92% | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2020 | TTEK | M | 524 | · | · | 5,419 Direct | +10.70% | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2020 | TTEK | M | 539 | · | · | 4,895 Direct | +12.37% | Acquired | (price as of 2026-10-05) |
| Jan. 22, 2020 | TTEK | M | 2,790 | · | · | 2,790 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Jan. 22, 2020 | TTEK | S 10b5-1 | 4,783 | $90.00 | $430,470 | 4,356 Direct | -52.34% | Disposed | 83.8% (price as of 2026-10-05) |
| Jan. 22, 2020 | TTEK | M | 2,790 | $47.95 | $133,780 | 9,139 Direct | +43.94% | Acquired | 245.0% (price as of 2026-10-05) |
| Nov. 21, 2019 | TTEK | A | 2,094 | · | · | 2,094 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 20, 2019 | TTEK | M | 112 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 20, 2019 | TTEK | F | 50 | $86.28 | $4,314 | 6,253 Direct | -0.79% | Disposed | 91.7% (price as of 2026-10-05) |
| Nov. 20, 2019 | TTEK | M | 112 | · | · | 6,303 Direct | +1.81% | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2019 | TTEK | M | 539 | · | · | 1,617 Direct | +50.00% | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2019 | TTEK | F | 1,538 | $87.15 | $134,037 | 6,191 Direct | -19.90% | Disposed | 89.8% (price as of 2026-10-05) |
| Nov. 18, 2019 | TTEK | M | 539 | · | · | 7,729 Direct | +7.50% | Acquired | (price as of 2026-10-05) |
| March 15, 2019 | TTEK | S | 4,196 | $58.95 | $247,354 | 7,190 Direct | -36.85% | Disposed | 180.6% (price as of 2026-10-05) |
| March 15, 2019 | TTEK | S | 422 | $58.97 | $24,885 | 11,386 Direct | -3.57% | Disposed | 180.5% (price as of 2026-10-05) |
| Nov. 21, 2018 | TTEK | F | 45 | $62.68 | $2,821 | 11,701 Direct | -0.38% | Disposed | 163.9% (price as of 2026-10-05) |
| Nov. 20, 2018 | TTEK | F | 34 | $63.44 | $2,157 | 11,746 Direct | -0.29% | Disposed | 160.8% (price as of 2026-10-05) |
| Nov. 18, 2018 | TTEK | F | 865 | $65.34 | $56,519 | 11,780 Direct | -6.84% | Disposed | 153.2% (price as of 2026-10-05) |
| Nov. 15, 2018 | TTEK | A | 2,156 | · | · | 2,156 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 22, 2017 | TTEK | F | 41 | $49.65 | $2,036 | 12,522 Direct | -0.33% | Disposed | 233.2% (price as of 2026-10-05) |
| Nov. 21, 2017 | TTEK | F | 49 | $50.00 | $2,450 | 12,563 Direct | -0.39% | Disposed | 230.9% (price as of 2026-10-05) |
| Nov. 20, 2017 | TTEK | F | 37 | $48.55 | $1,796 | 12,612 Direct | -0.29% | Disposed | 240.7% (price as of 2026-10-05) |
| Nov. 18, 2017 | TTEK | F | 813 | $47.95 | $38,983 | 12,649 Direct | -6.04% | Disposed | 245.0% (price as of 2026-10-05) |
| Nov. 17, 2017 | TTEK | A | 5,580 | · | · | 5,580 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 17, 2017 | TTEK | A | 1,720 | · | · | 13,462 Direct | +14.65% | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| Nov. 18, 2022 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | $0.00 | · | 412 | Disposed |
| Nov. 18, 2022 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | $0.00 | · | 574 | Disposed |
| Nov. 18, 2022 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | $0.00 | · | 523 | Disposed |
| Nov. 18, 2022 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | $0.00 | · | 539 | Disposed |
| Nov. 16, 2022 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | $0.00 | · | 2,028 | Acquired |
| Nov. 23, 2021 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | $0.00 | Nov. 18, 2025 | 1,645 | Acquired |
| Nov. 18, 2021 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | $0.00 | Nov. 19, 2024 | 574 | Disposed |
| Nov. 18, 2021 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | $0.00 | Nov. 21, 2023 | 524 | Disposed |
| Nov. 18, 2021 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | $0.00 | Nov. 18, 2022 | 539 | Disposed |
| Feb. 16, 2021 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK | $47.95 | Nov. 17, 2027 | 1,395 | Disposed |
| Nov. 19, 2020 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | $0.00 | Nov. 19, 2024 | 2,295 | Acquired |
| Nov. 18, 2020 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | $0.00 | Nov. 21, 2023 | 524 | Disposed |
| Nov. 18, 2020 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | $0.00 | Nov. 18, 2022 | 539 | Disposed |
| Jan. 22, 2020 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK | $47.95 | Nov. 17, 2027 | 2,790 | Disposed |
| Nov. 21, 2019 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | · | Nov. 18, 2023 | 2,094 | Acquired |
| Nov. 20, 2019 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | · | Nov. 20, 2019 | 112 | Acquired |
| Nov. 18, 2019 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | · | Nov. 18, 2022 | 539 | Acquired |
| Nov. 15, 2018 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK | · | Nov. 18, 2022 | 2,156 | Acquired |
| Nov. 17, 2017 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK | $47.95 | Nov. 17, 2027 | 5,580 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 15, 2017 | TTEK | COMMON STOCK | 11,742 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2019 | · | · | $402,513 | · | $424,248 | · | $44,322 | $1,208,102 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.