Insider Stock Trading History of Porter Stephen W


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 Porter Stephen W since year 2005. The trader's CIK number is 1212153. At the time of this reporting, Porter Stephen W is the Director of Mantech International Corp . (stock ticker symbol MANT). See this page for all insider trading activities at Mantech International Corp .


Stock purchases, sales, and option exercises reported by insider Porter Stephen W since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2015-02-25 MANT Mantech International Corp Option Ex 5,000 28.42 142,100
2015-02-25 MANT Mantech International Corp Sale 5,000 32.99 164,950
2014-06-05 MANT Mantech International Corp Option Ex 5,000 19.82 99,100
2014-06-05 MANT Mantech International Corp Sale 5,000 28.75 143,750
2014-05-16 MANT Mantech International Corp Sale 3,000 29.76 89,280
2013-05-10 MANT Mantech International Corp Option Ex 5,000 20.97 104,850
2013-05-10 MANT Mantech International Corp Sale 8,000 27.95 223,600
2012-11-06 MANT Mantech International Corp Sale 3,000 26.21 78,630
2011-11-30 MANT Mantech International Corp Option Ex 7,000 16.00 112,000
2011-11-30 MANT Mantech International Corp Sale 7,000 32.86 230,020
2011-11-04 MANT Mantech International Corp Sale 2,000 33.19 66,380
2011-03-01 MANT Mantech International Corp Sale 5,000 43.53 217,650
2011-03-01 MANT Mantech International Corp Option Ex 5,000 32.25 161,250

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 Porter Stephen W (Director of Mantech International Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.