PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q1 2020
Shares 8,290 Value ($000) $631 Avg Close $92.67 Range $63.19 - $114.75
Q4 2019
Shares 8,230 Value ($000) $836 Avg Close $99.10 Range $89.02 - $107.86
Q3 2019
Shares 8,070 Value ($000) $824 Avg Close $101.95 Range $88.75 - $119.80
Q2 2019
Shares 8,070 Value ($000) $936 Avg Close $107.63 Range $97.08 - $119.98
Q1 2019
Shares 7,930 Value ($000) $834 Avg Close $112.20 Range $94.20 - $130.60
Q4 2018
Shares 7,820 Value ($000) $882 Avg Close $123.33 Range $101.03 - $163.03
Q2 2018
Shares 7,060 Value ($000) $840 Avg Close $122.45 Range $111.20 - $136.40
Q1 2018
Shares 9,990 Value ($000) $1,174 Avg Close $113.00 Range $100.05 - $126.95
Q4 2017
Shares 9,320 Value ($000) $960 Avg Close $89.74 Range $79.06 - $109.10
Q3 2017
Shares 9,320 Value ($000) $748 Avg Close $72.28 Range $66.85 - $80.40
Q2 2017
Shares 5,760 Value ($000) $387 Avg Close $60.44 Range $48.70 - $70.10
Q1 2017
Shares 5,510 Value ($000) $282 Avg Close $52.95 Range $48.00 - $60.25
Q4 2016
Shares 5,510 Value ($000) $283 Avg Close $52.43 Range $43.10 - $59.65
Q3 2016
Shares 5,250 Value ($000) $315 Avg Close $57.54 Range $50.50 - $61.62
Q2 2016
Shares 5,160 Value ($000) $297 Avg Close $66.74 Range $55.07 - $82.06
Q1 2016
Shares 4,760 Value ($000) $367 Avg Close $64.57 Range $51.61 - $79.65