PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

CAPSTONE INVESTMENT ADVISORS, LLC's Holding History (CIK: 0001426196)

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

Q3 2017
Shares 2,700 Value ($000) $216 Avg Close $72.28 Range $66.85 - $80.40
Q1 2017
Shares 12,917 Value ($000) $660 Avg Close $52.95 Range $48.00 - $60.25