Derek G Amidon
CIK 1721981 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 15, 2017 · Latest: Nov. 15, 2023
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 49 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
49 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 16, 2021 | TTEK | S | 6,052 | $136.70 | $827,308 | 1,484 Direct | -80.31% | Disposed | 34.1% (price as of 2026-08-20) |
| Feb. 16, 2021 | TTEK | S | 1,395 | $136.65 | $190,627 | 7,536 Direct | -15.62% | Disposed | 34.2% (price as of 2026-08-20) |
| Jan. 22, 2020 | TTEK | S 10b5-1 | 4,783 | $90.00 | $430,470 | 4,356 Direct | -52.34% | Disposed | 103.7% (price as of 2026-08-20) |
| March 15, 2019 | TTEK | S | 4,196 | $58.95 | $247,354 | 7,190 Direct | -36.85% | Disposed | 211.0% (price as of 2026-08-20) |
| March 15, 2019 | TTEK | S | 422 | $58.97 | $24,885 | 11,386 Direct | -3.57% | Disposed | 210.9% (price as of 2026-08-20) |
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 (412) | $0.00 | — | 412 | Disposed |
| Nov. 18, 2022 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (574) | $0.00 | — | 574 | Disposed |
| Nov. 18, 2022 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (523) | $0.00 | — | 523 | Disposed |
| Nov. 18, 2022 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (539) | $0.00 | — | 539 | Disposed |
| Nov. 16, 2022 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (2,028) | $0.00 | — | 2,028 | Acquired |
| Nov. 23, 2021 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (1,645) | $0.00 | Nov. 18, 2025 | 1,645 | Acquired |
| Nov. 18, 2021 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (574) | $0.00 | Nov. 19, 2024 | 574 | Disposed |
| Nov. 18, 2021 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (524) | $0.00 | Nov. 21, 2023 | 524 | Disposed |
| Nov. 18, 2021 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (539) | $0.00 | Nov. 18, 2022 | 539 | Disposed |
| Feb. 16, 2021 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (1,395) | $47.95 | Nov. 17, 2027 | 1,395 | Disposed |
| Nov. 19, 2020 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (2,295) | $0.00 | Nov. 19, 2024 | 2,295 | Acquired |
| Nov. 18, 2020 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (524) | $0.00 | Nov. 21, 2023 | 524 | Disposed |
| Nov. 18, 2020 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (539) | $0.00 | Nov. 18, 2022 | 539 | Disposed |
| Jan. 22, 2020 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (2,790) | $47.95 | Nov. 17, 2027 | 2,790 | Disposed |
| Nov. 21, 2019 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (2,094) | — | Nov. 18, 2023 | 2,094 | Acquired |
| Nov. 20, 2019 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (112) | — | Nov. 20, 2019 | 112 | Acquired |
| Nov. 18, 2019 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (539) | — | Nov. 18, 2022 | 539 | Acquired |
| Nov. 15, 2018 | TTEK | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | COMMON STOCK (2,156) | — | Nov. 18, 2022 | 2,156 | Acquired |
| Nov. 17, 2017 | TTEK | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (5,580) | $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.