Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2021-09-02 Sale |
2021-09-03 7:01 pm |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
3,878 | $146 | $566,188 | 33,587 (Direct) |
View |
2021-02-18 Sale |
2021-02-19 6:48 pm |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
13,430 | $138.58 | $1,861,099 | 43,177 (Direct) |
View |
2020-11-23 Sale |
2020-11-25 5:11 pm |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
10,030 | $123 | $1,233,690 | 46,239 (Direct) |
View |
2020-08-24 Sale |
2020-08-26 5:57 pm |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
2,936 | $93.51 | $274,534 | 45,807 (Direct) |
View |
2020-08-19 Sale |
2020-08-21 6:50 pm |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
5,016 | $94.57 | $474,355 | 58,614 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
Ownership |
2022-11-07 5:31 pm |
N/A N/A |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
0 | $0 | 35,818 (Direct) |
View |
2021-12-07 Gift |
2021-12-08 6:17 pm |
N/A N/A |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
1,158 | $0 | 35,775 (Direct) |
View |
2021-11-23 Tax Withholding |
2021-11-24 8:00 pm |
N/A N/A |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
3,451 | $190.38 | 37,729 (Direct) |
View |
2021-11-23 Option Award |
2021-11-24 8:00 pm |
2022-11-18 2025-11-18 |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
7,262 | $0 | 37,729 (Direct) |
View |
2021-11-18 Exercise |
2021-11-22 7:42 pm |
2019-11-18 2022-11-18 |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
1,254 | $0 | 36,193 (Direct) |
View |
2021-11-18 Tax Withholding |
2021-11-22 7:42 pm |
N/A N/A |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
923 | $187.88 | 36,193 (Direct) |
View |
2021-02-18 Exercise |
2021-02-19 6:48 pm |
2018-11-17 2027-11-17 |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
4,598 | $0 | 43,177 (Direct) |
View |
2021-02-18 Exercise |
2021-02-19 6:48 pm |
N/A N/A |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
4,598 | $47.95 | 43,177 (Direct) |
View |
2020-11-23 Exercise |
2020-11-25 5:11 pm |
N/A N/A |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
2,935 | $27.16 | 46,239 (Direct) |
View |
2020-11-23 Exercise |
2020-11-25 5:11 pm |
N/A N/A |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
7,095 | $40.8 | 46,239 (Direct) |
View |
2020-11-23 Exercise |
2020-11-25 5:11 pm |
2016-11-20 2025-11-20 |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
10,030 | $0 | 46,239 (Direct) |
View |
2020-11-18 Exercise |
2020-11-20 8:01 pm |
2019-11-18 2022-11-18 |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
947 | $0 | 49,768 (Direct) |
View |
2020-11-18 Tax Withholding |
2020-11-20 8:01 pm |
N/A N/A |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
5,136 | $122 | 49,768 (Direct) |
View |
2020-11-19 Option Award |
2020-11-20 8:01 pm |
2021-11-18 2024-11-19 |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
8,786 | $0 | 49,768 (Direct) |
View |
2020-08-24 Exercise |
2020-08-26 5:57 pm |
N/A N/A |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
2,936 | $27.16 | 45,807 (Direct) |
View |
2020-08-24 Exercise |
2020-08-26 5:57 pm |
2016-11-20 2025-11-20 |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
2,936 | $0 | 45,807 (Direct) |
View |
2020-08-19 Exercise |
2020-08-21 6:50 pm |
N/A N/A |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
5,016 | $27.16 | 58,614 (Direct) |
View |
2020-08-19 Exercise |
2020-08-21 6:50 pm |
2016-11-20 2025-11-20 |
TETRA TECH INC | TTEK | LEMMON RICHARD A SVP, Corporate Administration |
5,016 | $0 | 58,614 (Direct) |
View |