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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.

Archie C. Black – Insider Trading Activity | DataHeimdall

Archie C. Black

Director at Proto Labs Inc

CIK: 1489095

1

Total trades

1

Buys

0

Sells

May 19, 2026

Last trade

Date	Stock	Type	Shares	Value	Src
May 19, 2026	PRLBProto Labs Inc	Buy	2,210	–