21 filings
5
Derek G Amidon
15 Nov 23
TETRA TECH / Derek G Amidon ownership change
4:43pm
144
TTEK
Tetra Tech, Inc.
8 Aug 23
Notice of proposed sale of securities
6:18pm
4
Derek G Amidon
22 Nov 22
TETRA TECH / Derek G Amidon ownership change
8:49pm
4
TTEK
Tetra Tech, Inc.
18 Nov 22
TETRA TECH / Derek G Amidon ownership change
7:09pm
5
Derek G Amidon
7 Nov 22
TETRA TECH / Derek G Amidon ownership change
4:34pm
4
3v29ry6h4 epkzo1r
24 Nov 21
TETRA TECH / Derek G Amidon ownership change
7:57pm
4
ylwvx
22 Nov 21
TETRA TECH / Derek G Amidon ownership change
7:39pm
4
7f9k numn1
17 Feb 21
TETRA TECH / Derek G Amidon ownership change
6:48pm
4
w48uyj79aq6 ewprpp
20 Nov 20
TETRA TECH / Derek G Amidon ownership change
6:06pm
4
wrnef t14g
24 Jan 20
TETRA TECH / Derek G Amidon ownership change
5:48pm
4
1ct w23vjl
22 Nov 19
TETRA TECH / Derek G Amidon ownership change
4:32pm
4
las81
20 Nov 19
TETRA TECH / Derek G Amidon ownership change
8:22pm
4
wnux0bs59m6ew0
19 Mar 19
TETRA TECH / Derek G Amidon ownership change
6:19pm
4
wfhs1tm ekw9
21 Nov 18
TETRA TECH / Derek G Amidon ownership change
8:02pm
4
k47ymqp 8sbi
19 Nov 18
TETRA TECH / Derek G Amidon ownership change
9:01pm
4
w02o5r0o6u1agqhaia0
16 Nov 18
TETRA TECH / Derek G Amidon ownership change
5:06pm
5
btwjb1wl
7 Nov 18
TETRA TECH / Derek G Amidon ownership change
5:00pm
4
rl9z3kfsiyinag5i yo
24 Nov 17
TETRA TECH / Derek G Amidon ownership change
12:00am
4
kcb99rk5
22 Nov 17
TETRA TECH / Derek G Amidon ownership change
12:00am
4
ml2 j7g1ydc0p5i
21 Nov 17
TETRA TECH / Derek G Amidon ownership change
12:00am