SC 13G/A

Amended Statement of Ownership

Proto Labs Inc Filed 2018-01-29 Acc 0001112325-18-000004

Documents 1

SC 13G/A Amended Statement of Ownership , g13prlbamend4.txt

Around this filing

2018-02-12 SC 13G/A Amended Statement of Ownership
2018-01-29 SC 13G/A Amended Statement of Ownership
2018-01-19 SC 13G/A Amended Statement of Ownership

Link to a passage

External

SEC EDGAR (opens in new tab)