Insider Trading History of Merk Thomas

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Merk Thomas since 2006. The trader's CIK number is 1354691. At the time of the last reporting, Merk Thomas was the COO - Micro of Coherent Inc. (stock ticker symbol COHR). Also see all insider trading activities at Coherent Inc.

Note that in the past Merk Thomas also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Coherent Inc (COHR) by Merk Thomas

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2019 COHR 0 $0 0 $0 4,588 $0
2018 COHR 0 $0 0 $0 1,147 $0
2017 COHR 0 $0 0 $0 1,147 $0

Yearly summary of insider trading at Rofin Sinar Technologies Inc (RSTI) by Merk Thomas

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2015 RSTI 0 $0 50,000 $1,405,150 65,000 $1,558,900
2013 RSTI 25,000 $427,750 35,000 $966,885 10,000 $171,100
2011 RSTI 20,000 $327,100 20,000 $791,150 0 $0
2010 RSTI 30,000 $490,650 36,000 $1,044,180 0 $0
2008 RSTI 12,000 $58,738 6,000 $256,200 0 $0
2007 RSTI 3,000 $26,250 3,000 $207,000 0 $0
2006 RSTI 0 $0 8,000 $464,320 0 $0


Insider trading activities at 2 companies by Merk Thomas:

1. Coherent Inc (COHR)

2. Rofin Sinar Technologies Inc (RSTI)

Table 1. Insider trading of Coherent Inc (COHR) by Merk Thomas

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2019-12-15 COHR Option Ex 1,147 .00 0
2019-11-15 COHR Option Ex 3,441 .00 0
2018-12-15 COHR Option Ex 1,147 .00 0
2017-12-15 COHR Option Ex 1,147 .00 0

Table 2. Insider trading of Rofin Sinar Technologies Inc (RSTI) by Merk Thomas

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2015-11-24 RSTI Sale 50,000 28.10 1,405,150
2015-11-24 RSTI Option Ex 50,000 26.05 1,302,250
2015-03-02 RSTI Option Ex 15,000 17.11 256,650
2013-02-22 RSTI Sale 10,000 27.29 272,910
2013-02-22 RSTI Option Ex 10,000 17.11 171,100
2013-02-11 RSTI Buy 25,000 17.11 427,750
2013-02-11 RSTI Sale 25,000 27.76 693,975
2011-02-16 RSTI Buy 10,000 16.36 163,550
2011-02-17 RSTI Buy 10,000 16.36 163,550
2011-02-16 RSTI Sale 10,000 39.75 397,500
2011-02-17 RSTI Sale 10,000 39.37 393,650
2010-11-10 RSTI Buy 30,000 16.36 490,650
2010-11-10 RSTI Sale 30,000 29.50 885,000
2010-11-08 RSTI Sale 3,000 29.22 87,660
2010-06-04 RSTI Sale 3,000 23.84 71,520
2008-07-01 RSTI Buy 6,000 4.89 29,369
2008-02-04 RSTI Buy 6,000 4.89 29,369
2008-02-04 RSTI Sale 6,000 42.70 256,200
2007-05-09 RSTI Buy 3,000 8.75 26,250
2007-05-09 RSTI Sale 3,000 69.00 207,000
2006-12-07 RSTI Sale 8,000 58.04 464,320

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 Merk Thomas (COO - Micro of Coherent Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.



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