PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

America First Investment Advisors, LLC's Holding History (CIK: 0001308778)

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

Q1 2019
Shares 150 Value ($000) $16 Avg Close $112.20 Range $94.20 - $130.60
Q4 2018
Shares 150 Value ($000) $17 Avg Close $123.33 Range $101.03 - $163.03
Q3 2018
Shares 150 Value ($000) $24 Avg Close $141.47 Range $115.95 - $166.60
Q2 2018
Shares 150 Value ($000) $18 Avg Close $122.45 Range $111.20 - $136.40
Q1 2018
Shares 150 Value ($000) $18 Avg Close $113.00 Range $100.05 - $126.95
Q4 2017
Shares 150 Value ($000) $15 Avg Close $89.74 Range $79.06 - $109.10
Q3 2017
Shares 150 Value ($000) $12 Avg Close $72.28 Range $66.85 - $80.40
Q2 2017
Shares 150 Value ($000) $10 Avg Close $60.44 Range $48.70 - $70.10
Q1 2017
Shares 150 Value ($000) $8 Avg Close $52.95 Range $48.00 - $60.25
Q4 2016
Shares 150 Value ($000) $8 Avg Close $52.43 Range $43.10 - $59.65
Q3 2016
Shares 150 Value ($000) $9 Avg Close $57.54 Range $50.50 - $61.62
Q2 2016
Shares 150 Value ($000) $9 Avg Close $66.74 Range $55.07 - $82.06
Q1 2016
Shares 150 Value ($000) $12 Avg Close $64.57 Range $51.61 - $79.65
Q4 2015
Shares 150 Value ($000) $10 Avg Close $64.50 Range $58.84 - $69.48
Q3 2015
Shares 150 Value ($000) $10 Avg Close $71.25 Range $65.82 - $79.95
Q2 2015
Shares 150 Value ($000) $10 Avg Close $70.59 Range $65.84 - $79.00
Q1 2015
Shares 150 Value ($000) $11 Avg Close $67.69 Range $57.30 - $74.82
Q4 2014
Shares 150 Value ($000) $10 Avg Close $65.74 Range $54.97 - $73.46
Q3 2014
Shares 150 Value ($000) $10 Avg Close $78.24 Range $68.88 - $94.23
Q2 2014
Shares 150 Value ($000) $12 Avg Close $67.73 Range $58.06 - $83.06
Q1 2014
Shares 150 Value ($000) $10 Avg Close $74.38 Range $62.09 - $84.00