38 filings
SD
PRLB
Proto Labs Inc
29 May 24
Conflict minerals disclosure
4:13pm
SD
PRLB
Proto Labs Inc
5 Jun 23
Conflict minerals disclosure
12:39pm
SD
PRLB
Proto Labs Inc
27 May 22
Conflict minerals disclosure
12:17pm
UPLOAD
PRLB
Proto Labs Inc
31 Mar 22
Letter from SEC
12:00am
CORRESP
PRLB
Proto Labs Inc
25 Mar 22
Correspondence with SEC
12:00am
UPLOAD
er7igql7m5s2wg31qa
15 Mar 22
Letter from SEC
12:00am
SD
g3veiaztro 6jlazf9d
27 May 21
Conflict minerals disclosure
11:28am
SD
lnmpuy
29 May 20
Conflict minerals disclosure
9:30am
SD
xy7k3e p4kmz6dhzgj
31 May 19
Conflict minerals disclosure
10:03am
SD
e52o8diauzmr tzmpx5i
4 Jun 18
Conflict minerals disclosure
12:00am
SD
oeydzxolmz4odu3r
31 May 17
Conflict minerals disclosure
12:00am
UPLOAD
9lhzpsw
31 Aug 16
Letter from SEC
12:00am
CORRESP
pxy9mnxxg
26 Aug 16
Correspondence with SEC
12:00am
UPLOAD
bmc0rtnh0
18 Aug 16
Letter from SEC
12:00am
SD
pitc kfd9s
31 May 16
Conflict minerals disclosure
12:00am
NO ACT
oz0jiis0
5 Mar 15
No action letter
12:00am
UPLOAD
h4dm9
19 Jun 13
Letter from SEC
12:00am
CORRESP
hb6csfbvp73c2 9y5j
3 Jun 13
Correspondence with SEC
12:00am
UPLOAD
fu4zagg4
17 May 13
Letter from SEC
12:00am
EFFECT
c4xinj
15 Nov 12
Notice of effectiveness
12:00am