Proto Labs Inc — SC 13G/A Filings
56 SC 13G/A filings on record
This page lists all SC 13G/A filings submitted to the SEC by Proto Labs Inc (PRLB), sorted by most recent first. Each row links to the full filing on EdgarLookup. Proto Labs Inc has filed 56 SC 13G/A documents with the SEC since 2008. To view all SEC filings by Proto Labs Inc, see the full filings list.
All
10-K
10-Q
10-Q/A
144
3
3/A
4
4/A
424B1
424B4
5
5/A
8-A12B
8-K
8-K/A
ARS
CERTNYS
CORRESP
DEF 14A
DEFA14A
EFFECT
NO ACT
PRE 14A
REGDEX
S-1
S-1/A
S-3ASR
S-8
S-8 POS
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G/A | SCHEDULE 13G/A | 0001437749-15-002740 | Feb 17, 2015 | — |
| SC 13G/A | — | 0001398344-15-000684 | Feb 5, 2015 | — |
| SC 13G/A | PROTO LABS INC 13G AMENDMENT #1 | 0001112325-15-000010 | Jan 29, 2015 | — |
| SC 13G/A | — | 0000898358-15-000020 | Jan 22, 2015 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-14-002154 | Feb 14, 2014 | — |
| SC 13G/A | SC 13G/AMENDMENT NO. 1 | 0001193125-14-043487 | Feb 10, 2014 | — |