Cite Filings / PRLB / 0001193125-12-473700

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424B1

Prospectus

Proto Labs Inc Filed 2012-11-16 Acc 0001193125-12-473700

Documents 1

424B1 Prospectus , d415145d424b1.htm

Around this filing

2012-11-21 4 Changes in Ownership
2012-11-21 4 Changes in Ownership
2012-11-21 4 Changes in Ownership
2012-11-21 4 Changes in Ownership
2012-11-16 424B1 Prospectus
2012-11-15 EFFECT Notice of Effectiveness
2012-11-13 S-1/A Registration Statement

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