Kirsten M Volpi

CIK 1582882 · View on SEC EDGAR ↗

Insider

First SEC filing: June 5, 2026 · Latest: June 5, 2026

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 70 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

70 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Feb. 4, 2025 TTEK S 4,345 $34.31 $149,077 60,196 Direct -6.73% Disposed 7.0% (price as of 2026-08-21)
Feb. 4, 2025 TTEK S 4,100 $34.33 $140,753 64,541 Direct -5.97% Disposed 7.0% (price as of 2026-08-21)
Feb. 4, 2025 TTEK S 1,671 $34.41 $57,499 68,641 Direct -2.38% Disposed 6.7% (price as of 2026-08-21)
Sept. 10, 2024 TTEK S 1,950 $46.00 $89,700 63,790 Direct -2.97% Disposed -20.2% (price as of 2026-08-21)
Dec. 1, 2023 TTEK S 2,228 $162.74 $362,585 13,014 Direct -14.62% Disposed 12.8% (price as of 2026-08-21)
Nov. 20, 2023 TTEK S 559 $165.50 $92,514 11,608 Direct -4.59% Disposed 11.0% (price as of 2026-08-21)
Feb. 16, 2023 TTEK S 900 $145.74 $131,166 11,563 Direct -7.22% Disposed 26.0% (price as of 2026-08-21)
Dec. 6, 2022 TTEK S 700 $154.61 $108,227 12,603 Direct -5.26% Disposed 18.8% (price as of 2026-08-21)
Aug. 19, 2022 TTEK S 1,200 $144.66 $173,592 11,275 Direct -9.62% Disposed 26.9% (price as of 2026-08-21)
March 8, 2022 TTEK S 900 $156.34 $140,706 13,635 Direct -6.19% Disposed 17.5% (price as of 2026-08-21)
Dec. 7, 2021 TTEK S 700 $189.62 $132,734 14,589 Direct -4.58% Disposed -3.2% (price as of 2026-08-21)
June 7, 2021 TTEK S 5,575 $119.15 $664,261 13,997 Direct -28.48% Disposed 54.1% (price as of 2026-08-21)
Dec. 8, 2020 TTEK S 6,468 $120.16 $777,195 19,612 Direct -24.80% Disposed 52.8% (price as of 2026-08-21)
Nov. 23, 2020 TTEK S 950 $122.20 $116,090 26,578 Direct -3.45% Disposed 50.3% (price as of 2026-08-21)
Nov. 16, 2020 TTEK S 997 $122.26 $121,893 19,146 Direct -4.95% Disposed 50.2% (price as of 2026-08-21)
Aug. 26, 2020 TTEK S 800 $93.44 $74,752 15,943 Direct -4.78% Disposed 96.5% (price as of 2026-08-21)
May 7, 2020 TTEK S 1,351 $70.56 $95,327 16,857 Direct -7.42% Disposed 160.2% (price as of 2026-08-21)
Dec. 10, 2019 TTEK S 425 $85.98 $36,542 14,783 Direct -2.79% Disposed 113.6% (price as of 2026-08-21)
Aug. 14, 2019 TTEK S 4,000 $78.00 $312,000 11,378 Direct -26.01% Disposed 135.4% (price as of 2026-08-21)
Nov. 14, 2018 TTEK S 1,200 $66.94 $80,328 8,801 Direct -12.00% Disposed 174.3% (price as of 2026-08-21)

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
Aug. 4, 2026 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (2,300) $9.59 Nov. 18, 2027 2,300 Disposed
Feb. 5, 2025 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (6,000) — Nov. 18, 2027 6,000 Disposed
Nov. 30, 2024 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK — — 2,125 Disposed
Nov. 20, 2024 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (1,718) — — 1,718 Acquired
Aug. 12, 2024 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (300) $47.95 Nov. 18, 2027 300 Disposed
Feb. 6, 2024 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (500) $47.95 Nov. 18, 2027 500 Disposed
Nov. 21, 2023 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) [F2] COMMON STOCK (425) $0.00 — 425 Acquired
Nov. 18, 2023 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (200) $47.95 Nov. 17, 2027 200 Disposed
Nov. 18, 2023 TTEK STOCK OPTION COMMON STOCK (2,000) $40.80 Nov. 18, 2026 2,000 Disposed
Nov. 18, 2023 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (380) $0.00 — 380 Disposed
Feb. 27, 2023 TTEK STOCK OPTION COMMON STOCK (825) $40.80 Nov. 20, 2026 825 Disposed
Nov. 18, 2022 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (318) $0.00 — 318 Disposed
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
Nov. 23, 2020 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $27.26 Nov. 21, 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 Disposed
Nov. 16, 2020 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $28.58 Nov. 22, 2021 4,200 Disposed
May 7, 2020 TTEK COMMON STOCK COMMON STOCK (4,000) $23.52 July 29, 2021 4,000 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. 14, 2019 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,000) $23.52 July 30, 2021 4,000 Disposed
Nov. 15, 2018 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (770) — Nov. 18, 2019 770 Acquired
Nov. 17, 2017 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $47.95 Nov. 17, 2027 4,200 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).