MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

ArrowMark Colorado Holdings LLC's Holding History (CIK: 0001483859)

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

Q2 2018
Shares 60,838 Value ($000) $12,842 Avg Close $169.69 Range $134.32 - $207.68
Q1 2018
Shares 61,714 Value ($000) $9,161 Avg Close $132.07 Range $118.48 - $150.10
Q4 2017
Shares 58,252 Value ($000) $7,241 Avg Close $135.32 Range $118.50 - $157.82
Q3 2017
Shares 54,766 Value ($000) $8,178 Avg Close $136.33 Range $123.49 - $150.04
Q2 2017
Shares 47,070 Value ($000) $6,746 Avg Close $137.24 Range $116.47 - $164.05
Q1 2017
Shares 44,328 Value ($000) $5,439 Avg Close $118.09 Range $109.46 - $123.38
Q4 2016
Shares 33,797 Value ($000) $4,149 Avg Close $120.22 Range $105.07 - $132.08
Q3 2016
Shares 27,750 Value ($000) $3,173 Avg Close $109.60 Range $98.18 - $123.04
Q2 2016
Shares 14,734 Value ($000) $1,812 Avg Close $103.44 Range $88.28 - $126.77
Q1 2016
Shares 16,758 Value ($000) $1,615 Avg Close $86.42 Range $73.77 - $101.55
Q4 2015
Shares 16,758 Value ($000) $1,667 Avg Close $102.36 Range $85.94 - $114.35
Q3 2015
Shares 22,761 Value ($000) $2,536 Avg Close $100.98 Range $82.67 - $120.40
Q2 2015
Shares 23,660 Value ($000) $2,103 Avg Close $80.63 Range $64.55 - $88.64
Q1 2015
Shares 23,398 Value ($000) $1,689 Avg Close $70.91 Range $65.28 - $76.95
Q4 2014
Shares 16,295 Value ($000) $1,260 Avg Close $69.59 Range $54.13 - $80.65
Q3 2014
Shares 5,922 Value ($000) $342 Avg Close $68.77 Range $51.84 - $82.01