Insider Trading activities of Optimer Pharmaceuticals Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Optimer Pharmaceuticals Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Optimer Pharmaceuticals Inc since year 2005. Table 2 shows the detailed insider transactions of Optimer Pharmaceuticals Inc since 2005. The reporting company's ticker symbol is OPTR. The reporting company's CIK number is 1142576.
The total value of stock buying since 2005 is $11,055,862.
The total value of stock sales since 2005 is $11,579,582.
The total value of stock option exercises since 2005 is $8,041,360.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Optimer Pharmaceuticals Inc (OPTR).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2013-09 0 $0 0 $0 281,615 $2,361,623
2013-04 0 $0 148,000 $2,172,344 513,700 $5,036,787
2012-11 11,000 $99,847 0 $0 0 $0
2012-06 0 $0 3,461 $52,953 3,461 $2,249
2011-08 30,000 $261,665 0 $0 0 $0
2011-04 0 $0 0 $0 200,000 $216,600
2010-08 0 $0 0 $0 6,298 $9,094
2010-06 0 $0 0 $0 13,844 $30,040
2010-05 0 $0 8,076 $94,893 8,076 $3,513
2010-01 0 $0 0 $0 300,728 $325,688
2009-12 39,000 $422,734 0 $0 0 $0
2009-11 30,000 $345,450 0 $0 0 $0
2009-03 457,666 $0 0 $0 0 $0
2009-01 0 $0 0 $0 103,076 $44,630
2008-11 4,884 $30,177 0 $0 0 $0
2008-07 943,396 $7,999,998 200,000 $1,480,000 0 $0
2008-06 10,000 $70,000 0 $0 0 $0
2008-05 14,000 $84,486 0 $0 0 $0
2008-01 0 $0 0 $0 10,312 $11,136
2007-12 0 $0 55,800 $429,392 0 $0
2007-11 7,000 $41,650 0 $0 0 $0
2007-08 82,500 $693,700 0 $0 0 $0
2007-07 20,000 $197,200 0 $0 0 $0
2007-02 115,565 $808,955 1,050,000 $7,350,000 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Optimer Pharmaceuticals Inc insiders (OPTR)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2013-09-04 Chang Michael N (Director) Option Ex 281,615 8.39 2,361,623
2013-04-23 Chang Michael N (Director) Option Ex 117,263 1.08 126,995
2013-04-09 Chang Michael N (Director) Option Ex 103,125 12.34 1,272,562
2013-04-08 Lichtinger Pedro (Other) Sale 148,000 14.68 2,172,344
2013-04-08 Lichtinger Pedro (Other) Option Ex 148,000 12.46 1,844,080
2013-04-03 Chang Michael N (Director) Option Ex 145,312 12.34 1,793,150
2012-11-08 Lichtinger Pedro (CEO and President) Buy 11,000 9.08 99,847
2012-06-11 Chang Joseph Y (Director) Sale 3,461 15.30 52,953
2012-06-11 Chang Joseph Y (Director) Option Ex 3,461 .65 2,249
2011-08-09 Altig Anthony E (Director) Buy 5,000 7.44 37,215
2011-08-04 Lichtinger Pedro (CEO and President) Buy 25,000 8.98 224,450
2011-04-25 Chang Michael N (Director) Option Ex 100,000 1.08 108,300
2011-04-25 Che Tessie M (COO and SVP) Option Ex 100,000 1.08 108,300
2010-08-30 Shue Youe Kong (VP, Clinical Development) Option Ex 6,298 1.44 9,094
2010-06-01 Chang Michael N (Director) Option Ex 6,922 2.17 15,020
2010-06-01 Che Tessie M (COO and SVP) Option Ex 6,922 2.17 15,020
2010-05-12 Chang Joseph Y (Director) Sale 8,076 11.75 94,893
2010-05-12 Chang Joseph Y (Director) Option Ex 8,076 .44 3,513
2010-01-04 Chang Michael N (CEO and President) Option Ex 150,364 1.08 162,844
2010-01-04 Che Tessie M (COO and SVP) Option Ex 150,364 1.08 162,844
2009-12-29 Chang Michael N (CEO and President) Buy 8,000 10.80 86,400
2009-12-29 Che Tessie M (COO and SVP) Buy 8,000 10.80 86,400
2009-12-28 Chang Michael N (CEO and President) Buy 10,000 10.85 108,500
2009-12-28 Che Tessie M (COO and SVP) Buy 10,000 10.85 108,500
2009-12-02 Shue Youe Kong (VP, Clinical Development) Buy 2,000 10.92 21,834
2009-12-01 Shue Youe Kong (VP, Clinical Development) Buy 1,000 11.10 11,100
2009-11-25 Chang Michael N (CEO and President) Buy 15,000 11.52 172,725
2009-11-25 Che Tessie M (COO and SVP) Buy 15,000 11.52 172,725
2009-03-04 Schreiber Alain (Director) Buy 457,666 .00 0
2009-01-07 Chang Michael N (CEO and President) Option Ex 51,538 .43 22,315
2009-01-07 Che Tessie M (COO and SVP) Option Ex 51,538 .43 22,315
2008-11-17 Shue Youe Kong (VP Clinical Development) Buy 1,699 6.18 10,498
2008-11-17 Poulos Kevin P (Chief Commercial Officer) Buy 1,243 6.18 7,680
2008-11-17 Prunty John D (CFO and VP, Finance) Buy 1,942 6.18 11,999
2008-07-18 Schreiber Alain (Director) Buy 943,396 8.48 7,999,998
2008-07-02 Perceptive Life Sciences Master Fund Ltd (10% Owner) Sale 200,000 7.40 1,480,000
2008-06-13 Chang Michael N (CEO and President) Buy 5,000 7.00 35,000
2008-06-13 Che Tessie M (COO and SVP) Buy 5,000 7.00 35,000
2008-05-15 Chang Michael N (CEO & President) Buy 4,542 6.04 27,410
2008-05-15 Che Tessie M (COO & SVP) Buy 4,542 6.04 27,410
2008-05-15 Shue Youe Kong (VP, Clinical Development) Buy 1,723 6.04 10,398
2008-05-15 Poulos Kevin P (Chief Commercial Officer) Buy 1,257 6.04 7,585
2008-05-15 Prunty John D (CFO) Buy 1,936 6.04 11,683
2008-01-24 Gorbach Md Sherwood (Senior VP, Chief Med. Officer) Option Ex 10,312 1.08 11,136
2007-12-19 Bradley Scott (10% Owner) Sale 12,220 7.75 94,680
2007-12-18 Bradley Scott (10% Owner) Sale 24,400 7.71 188,197
2007-12-17 Bradley Scott (10% Owner) Sale 12,600 7.71 97,146
2007-12-13 Bradley Scott (10% Owner) Sale 6,580 7.50 49,369
2007-11-15 Chang Michael N (CEO) Buy 2,000 5.95 11,900
2007-11-15 Che Tessie M (COO) Buy 2,000 5.95 11,900
2007-11-15 Shue Youe Kong (VP Clinical Development) Buy 1,000 5.95 5,950
2007-11-15 Poulos Kevin P (Chief Commercial Officer) Buy 1,000 5.95 5,950
2007-11-15 Prunty John D (CFO) Buy 1,000 5.95 5,950
2007-08-10 Shue Youe Kong (VP Clinical Development) Buy 2,000 8.28 16,552
2007-08-09 Chang Michael N (President & CEO) Buy 30,000 8.20 245,999
2007-08-09 Che Tessie M (Senior VP & COO) Buy 30,000 8.20 245,999
2007-08-09 Shue Youe Kong (VP Clinical Development) Buy 500 8.30 4,150
2007-08-06 Chang Michael N (President and CEO) Buy 10,000 9.05 90,500
2007-08-06 Che Tessie M (Senior VP & COO) Buy 10,000 9.05 90,500
2007-07-16 Chang Michael N (President, CEO) Buy 10,000 9.86 98,600
2007-07-16 Che Tessie M (Senior VP & COO) Buy 10,000 9.86 98,600
2007-02-21 Par Pharmacuetical, Inc. (10% Owner) Sale 1,050,000 7.00 7,350,000
2007-02-14 Chang Michael N (President, CEO) Buy 114,965 7.00 804,755
2007-02-14 Poulos Kevin P (VP, Marketing and Sales) Buy 600 7.00 4,200

Insider trading activities including stock purchases, stock sales, and option exercises of OPTR listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Optimer Pharmaceuticals Inc (symbol OPTR, CIK number 1142576) see the Securities and Exchange Commission (SEC) website.