30 filings
SD
LAYN
Layne Christensen Co
29 May 18
Conflict minerals disclosure
4:00pm
UPLOAD
LAYN
Layne Christensen Co
14 Sep 17
Letter from SEC
12:00am
CORRESP
LAYN
Layne Christensen Co
12 Sep 17
Correspondence with SEC
12:00am
UPLOAD
LAYN
Layne Christensen Co
23 Aug 17
Letter from SEC
12:00am
SD
LAYN
Layne Christensen Co
30 May 17
Conflict minerals disclosure
12:00am
SD
qhcwi7811em
31 May 16
Conflict minerals disclosure
12:00am
SD
dffdnls 99q5
1 Jun 15
Conflict minerals disclosure
12:00am
SD
id1v7f395h8m 9b2
30 May 14
Conflict minerals disclosure
12:00am
UPLOAD
38ngl
26 Feb 14
Letter from SEC
12:00am
CORRESP
8mbc 5agl916gjwe4rsd
4 Feb 14
Correspondence with SEC
12:00am
UPLOAD
wkdv 52c9gqn24
16 Jan 14
Letter from SEC
12:00am
NO ACT
1jot g95ymqxa
21 Mar 11
No action letter
12:00am
UPLOAD
3uevrr3
11 Feb 11
Letter from SEC
12:00am
CORRESP
3v06z
4 Feb 11
Correspondence with SEC
12:00am
UPLOAD
jsvwd9uas
24 Jan 11
Letter from SEC
12:00am
UPLOAD
ep4q7r
26 Feb 09
Letter from SEC
12:00am
CORRESP
wpdup qsgg0vl92k198
4 Feb 09
Correspondence with SEC
12:00am
UPLOAD
s7njb0
4 Feb 09
Letter from SEC
12:00am
EFFECT
1f1ivxu
9 Oct 07
Notice of effectiveness
12:00am
UPLOAD
917rigr98u
6 Apr 07
Letter from SEC
12:00am