23 filings
UPLOAD
MTRX
Matrix Service Co.
15 Mar 22
Letter from SEC
12:00am
CORRESP
MTRX
Matrix Service Co.
7 Mar 22
Correspondence with SEC
12:00am
UPLOAD
MTRX
Matrix Service Co.
18 Feb 22
Letter from SEC
12:00am
SD
MTRX
Matrix Service Co.
1 Jun 15
Conflict minerals disclosure
12:00am
SD
MTRX
Matrix Service Co.
2 Jun 14
Conflict minerals disclosure
12:00am
EFFECT
r4mgufgu6 d3
19 Jan 12
Notice of effectiveness
12:00am
UPLOAD
m58tx29 u1
21 Apr 11
Letter from SEC
12:00am
CORRESP
lwn8xo 08x
4 Apr 11
Correspondence with SEC
12:00am
UPLOAD
hmn3zx5nv50rwsekx
21 Mar 11
Letter from SEC
12:00am
EFFECT
kqwkq n4yv5c337
18 Mar 09
Notice of effectiveness
12:00am
UPLOAD
jxgwfrwz
5 Mar 09
Letter from SEC
12:00am
CORRESP
cfnu1
19 Feb 09
Correspondence with SEC
12:00am
UPLOAD
8zoed
2 Feb 09
Letter from SEC
12:00am
EFFECT
sn9o36ajcg3 cnd5bv8
10 Jul 07
Notice of effectiveness
12:00am
UPLOAD
qaypp35jwad 4y2m
11 Apr 07
Letter from SEC
12:00am
CORRESP
rszaub
5 Apr 07
Correspondence with SEC
12:00am
UPLOAD
y6mfmjmsod
19 Mar 07
Letter from SEC
12:00am
CORRESP
tfd7o y0awi
13 Mar 07
Correspondence with SEC
12:00am
UPLOAD
8ljtn0c4wewucn 9wpa
26 Feb 07
Letter from SEC
12:00am
CORRESP
911z8ocxi321
16 Feb 07
Correspondence with SEC
12:00am