Insider Stock Trading History of Baker Arthur R. Iii


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Baker Arthur R. Iii since year 2005. The trader's CIK number is 1536324. At the time of this reporting, Baker Arthur R. Iii is the Chief Technology Officer of Proto Labs Inc . (stock ticker symbol PRLB). See this page for all insider trading activities at Proto Labs Inc .

Note that in the past Baker Arthur R. III also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Baker Arthur R. Iii since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2016-09-01 PRLB Proto Labs Inc Buy 3,000 55.00 165,000
2014-02-13 MTSC Mts Systems Corp Sale 10,705 72.56 776,797
2013-09-15 MTSC Mts Systems Corp Option Ex 726 .00 0
2013-09-10 MTSC Mts Systems Corp Sale 3,368 59.99 202,046
2013-07-05 MTSC Mts Systems Corp Option Ex 500 .00 0
2013-07-06 MTSC Mts Systems Corp Option Ex 390 .00 0
2013-07-02 MTSC Mts Systems Corp Option Ex 667 .00 0
2012-10-01 MTSC Mts Systems Corp Option Ex 8,000 35.88 287,040
2012-10-01 MTSC Mts Systems Corp Sale 6,273 54.00 338,742
2012-09-15 MTSC Mts Systems Corp Option Ex 726 .00 0
2012-07-05 MTSC Mts Systems Corp Option Ex 500 .00 0
2012-07-06 MTSC Mts Systems Corp Option Ex 390 .00 0
2012-06-29 MTSC Mts Systems Corp Sale 100 10.00 1,000

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Baker Arthur R. Iii (Chief Technology Officer of Proto Labs Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.