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Insider Trading: OPTIMER PHARMACEUTICALS INC

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of OPTIMER PHARMACEUTICALS INC in the last 24 months are illustrated in figures 1 and 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.
1 year chart,   5 day chart,   1 day chart.

The total value of stock buying since 2005 is $1,895,991. The total value of stock sales is $7,779,404. The total value of stock exercises is $11,136.


Figure 1. Monthly insider transaction values at OPTIMER PHARMACEUTICALS INC (OPTR) in the past 24 months. The trade values of insider stock buys, sales, and option exercises are in logarithmic scale as shown on the right axis labels. The detailed monthly and daily insider transactions are listed in the 2 tables below.

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • $7,350k

    $735k

    $73k

    $7k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at OPTIMER PHARMACEUTICALS INC (OPTR) in the past 24 months. See table 2 for insider transaction details.

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • $9.86

    $7.40

    $4.93

    $2.46



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for OPTIMER PHARMACEUTICALS INC (OPTR).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
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 55,800 429,404 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 for OPTIMER PHARMACEUTICALS INC (OPTR)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-06-13 Chang Michael N (CEO and President) Purchase 5,000 7.00 35,000
2008-06-13 Che Tessie M (COO and SVP) Purchase 5,000 7.00 35,000
2008-05-15 Chang Michael N (CEO & President) Purchase 4,542 6.04 27,410
2008-05-15 Che Tessie M (COO & SVP) Purchase 4,542 6.04 27,410
2008-05-15 Shue Youe Kong (VP, Clinical Development) Purchase 1,723 6.04 10,398
2008-05-15 Poulos Kevin P (Chief Commercial Officer) Purchase 1,257 6.04 7,585
2008-05-15 Prunty John D (CFO) Purchase 1,936 6.04 11,683
2008-01-24 Gorbach Md Sherwood (Senior VP, Chief Med. Officer) Option Exercise 10,312 1.08 11,136
2007-12-19 Bradley Scott (10% Owner) Sale 12,220 7.75 94,683
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 97,149
2007-12-13 Bradley Scott (10% Owner) Sale 6,580 7.50 49,375
2007-11-15 Chang Michael N (CEO) Purchase 2,000 5.95 11,900
2007-11-15 Che Tessie M (COO) Purchase 2,000 5.95 11,900
2007-11-15 Shue Youe Kong (VP Clinical Development) Purchase 1,000 5.95 5,950
2007-11-15 Poulos Kevin P (Chief Commercial Officer) Purchase 1,000 5.95 5,950
2007-11-15 Prunty John D (CFO) Purchase 1,000 5.95 5,950
2007-08-10 Shue Youe Kong (VP Clinical Development) Purchase 2,000 8.28 16,552
2007-08-09 Chang Michael N (President & CEO) Purchase 30,000 8.20 245,999
2007-08-09 Che Tessie M (Senior VP & COO) Purchase 30,000 8.20 245,999
2007-08-09 Shue Youe Kong (VP Clinical Development) Purchase 500 8.30 4,150
2007-08-06 Chang Michael N (President and CEO) Purchase 10,000 9.05 90,500
2007-08-06 Che Tessie M (Senior VP & COO) Purchase 10,000 9.05 90,500
2007-07-16 Chang Michael N (President, CEO) Purchase 10,000 9.86 98,600
2007-07-16 Che Tessie M (Senior VP & COO) Purchase 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) Purchase 114,965 7.00 804,755
2007-02-14 Poulos Kevin P (VP, Marketing and Sales) Purchase 600 7.00 4,200

Insider trading activities including stock purchases, stock sales, and option exercises 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.

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