SC 13G/A

Amended Statement of Ownership

Proto Labs Inc Filed 2016-10-05 Acc 0001398344-16-019437

Documents 1

SC 13G/A Amended Statement of Ownership , fp0021953_sc13ga.htm

Around this filing

2017-01-24 SC 13G/A Amended Statement of Ownership
2016-10-05 SC 13G/A Amended Statement of Ownership
2016-02-16 SC 13G/A Amended Statement of Ownership

Link to a passage

External

SEC EDGAR (opens in new tab)