PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Summit Trail Advisors, LLC's Holding History (CIK: 0001698478)

Note: Option positions (PUT/CALL) are excluded.

Q4 2017
Shares 1,646 Value ($000) $180 Avg Close $89.74 Range $79.06 - $109.10