Derek G Amidon is SVP, Comm./Int'l Svcs. Group of TETRA TECH INC. Currently has a direct ownership of 11,141 shares of TTEK, which is worth approximately $444,525. The most recent transaction as insider was on Nov 18, 2022, when has been sold 3,639 shares (Common Stock) at a price of $156.63 per share, resulting in proceeds of $569,976. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 11.1K
0% 3M change
0% 12M change
Total Value Held $444,525

Derek G Amidon Transaction History

Date Transaction Value Shares Traded Shares Held Form
Nov 18 2022
SELL
Payment of exercise price or tax liability
$569,976 $156.63 p/Share
3,639 Reduced 24.62%
11,141 Common Stock
Nov 18 2022
BUY
Exercise of conversion of derivative security
-
2,048 Added 12.17%
14,780 Common Stock
Nov 18 2022
BUY
Grant, award, or other acquisition
-
6,158 Added 32.6%
12,732 Common Stock
Nov 23 2021
SELL
Payment of exercise price or tax liability
$545,439 $190.38 p/Share
2,865 Reduced 30.49%
6,531 Common Stock
Nov 23 2021
BUY
Grant, award, or other acquisition
-
6,466 Added 40.76%
9,396 Common Stock
Nov 18 2021
SELL
Payment of exercise price or tax liability
$172,474 $187.88 p/Share
918 Reduced 29.41%
2,203 Common Stock
Nov 18 2021
BUY
Exercise of conversion of derivative security
-
1,637 Added 34.41%
3,121 Common Stock
Feb 16 2021
SELL
Open market or private sale
$1,017,781 $136.67 p/Share
7,447 Reduced 83.38%
1,484 Common Stock
Feb 16 2021
BUY
Exercise of conversion of derivative security
$66,890 $47.95 p/Share
1,395 Added 13.51%
8,931 Common Stock
Nov 18 2020
SELL
Payment of exercise price or tax liability
$587,918 $122.0 p/Share
4,819 Reduced 39.19%
7,478 Common Stock
Nov 18 2020
BUY
Grant, award, or other acquisition
-
6,878 Added 35.87%
12,297 Common Stock
Nov 18 2020
BUY
Exercise of conversion of derivative security
-
1,063 Added 16.4%
5,419 Common Stock
DGA

Derek G Amidon

SVP, Comm./Int'l Svcs. Group
Pasadena, CA

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