SC 13G/A

Amended Statement of Ownership

Proto Labs Inc Filed 2017-01-24 Acc 0001112325-17-000003

Documents 1

SC 13G/A Amended Statement of Ownership , g13prlbamend3.txt

Around this filing

2017-02-09 SC 13G/A Amended Statement of Ownership
2017-01-24 SC 13G/A Amended Statement of Ownership
2016-10-05 SC 13G/A Amended Statement of Ownership

Link to a passage

External

SEC EDGAR (opens in new tab)