S-1/A

Registration Statement

Proto Labs Inc Filed 2011-12-29 Acc 0001193125-11-355148

Documents 1

S-1/A Registration Statement , d199869ds1a.htm

Around this filing

2012-02-01 S-1/A Registration Statement
2011-12-29 CORRESP Correspondence Between Filers and SEC Staff
2011-12-29 S-1/A Registration Statement
2011-10-26 S-1/A Registration Statement

Link to a passage

External

SEC EDGAR (opens in new tab)