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Insider Trading: CENTENE CORP

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of CENTENE CORP in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of CENTENE CORP since year 2005. Table 2 shows the detailed insider transactions of CENTENE CORP since 2005. The reporting company's ticker symbol is CNC. The reporting company's CIK number is 1071739.

The total value of stock buying since 2005 is $468,566. The total value of stock sales is $11,384,437. The total value of stock exercises is $1,327,366.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at CENTENE CORP (CNC) 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.

  • 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

  • 07

  • $3,043k

    $304k

    $30k

    $3k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at CENTENE CORP (CNC) in the past 24 months. See table 2 for insider transaction details.

  • 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

  • 07

  • $25.00

    $18.75

    $12.50

    $6.25



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for CENTENE CORP (CNC).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-06 0 0 7,259 156,068 16,179 125,082
2008-05 4,000 72,760 0 0 0 0
2008-03 1,000 15,300 1,000 15,300 2,000 30,700
2007-11 0 0 62,000 1,376,300 52,000 499,460
2007-08 1,000 19,310 150,000 3,043,500 0 0
2007-06 200 4,068 0 0 0 0
2007-05 200 4,350 12,863 283,886 12,063 142,612
2007-03 0 0 4,406 100,633 4,406 100,633
2006-10 0 0 22,500 562,500 2,500 1,125
2006-09 400 6,504 0 0 0 0
2006-08 400 6,940 0 0 0 0
2006-07 5,500 86,595 0 0 61,208 327,824
2006-05 0 0 5,000 125,250 7,000 3,150
2006-04 0 0 7,500 187,950 7,500 3,100
2006-02 0 0 65,000 1,728,850 15,000 59,130
2005-12 0 0 45,000 1,127,200 5,000 34,550
2005-09 0 0 5,000 153,200 0 0
2005-08 8,450 252,739 0 0 0 0
2005-06 0 0 5,000 161,400 0 0
2005-05 0 0 40,000 1,137,200 0 0
2005-03 0 0 40,000 1,225,200 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for CENTENE CORP (CNC)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-06-19 Goldman Carol (Exec VP Chief Admin Officer) Option Exercise 15,000 7.24 108,600
2008-06-05 Goldman Carol (Exec VP Chief Admin Officer) Sale 7,259 21.50 156,068
2008-06-05 Goldman Carol (Exec VP Chief Admin Officer) Option Exercise 1,179 13.98 16,482
2008-05-02 Joseph Pamela A Purchase 4,000 18.19 72,760
2008-03-14 Thompson Tommy G Sale 1,000 15.30 15,300
2008-03-12 Thompson Tommy G Purchase 1,000 15.30 15,300
2008-03-12 Scheffel William N (Exec VP, Specialty Business) Option Exercise 2,000 15.35 30,700
2007-11-14 Goldman Carol (Exec VP Chief Admin Officer) Sale 6,000 22.78 136,680
2007-11-14 Goldman Carol (Exec VP Chief Admin Officer) Option Exercise 16,000 11.78 188,480
2007-11-06 Neidorff Michael F (Chairman, President and CEO) Sale 50,000 22.09 1,104,500
2007-11-05 Neidorff Michael F (Chairman, President and CEO) Option Exercise 30,000 7.57 227,100
2007-11-01 Goldman Carol (Exec VP Chief Admin Officer) Sale 6,000 22.52 135,120
2007-11-01 Goldman Carol (Exec VP Chief Admin Officer) Option Exercise 6,000 13.98 83,880
2007-08-08 Thompson Tommy G Purchase 1,000 19.31 19,310
2007-08-07 Neidorff Michael F (Chairman, President and CEO) Sale 150,000 20.29 3,043,500
2007-06-18 Bartlett Steve Purchase 200 20.34 4,068
2007-05-21 Scheffel William N (SVP, Specialty Business Unit) Option Exercise 5,000 15.35 76,750
2007-05-16 Bartlett Steve Purchase 200 21.75 4,350
2007-05-14 Goldman Carol (Senior VP Chief Admin Officer) Sale 12,863 22.07 283,886
2007-05-14 Goldman Carol (Senior VP Chief Admin Officer) Option Exercise 7,063 9.32 65,862
2007-03-14 Neidorff Michael F (Chairman, President and CEO) Sale 4,406 22.84 100,633
2007-03-14 Neidorff Michael F (Chairman, President and CEO) Option Exercise 4,406 22.84 100,633
2006-10-27 Witty Karey L (SVP, Health Plan Business Unit) Sale 5,000 25.00 125,000
2006-10-27 Drozda Joseph P Jr (Sr. VP & Chief Medical Officer) Sale 5,000 25.00 125,000
2006-10-26 Hobbs Cary (Sr VP Strategy and Bus. Imp.) Sale 2,500 25.00 62,500
2006-10-26 Hobbs Cary (Sr VP Strategy and Bus. Imp.) Option Exercise 2,500 .45 1,125
2006-10-26 Witty Karey L (SVP, Health Plan Business Unit) Sale 5,000 25.00 125,000
2006-10-26 Drozda Joseph P Jr (Sr. VP & Chief Medical Officer) Sale 5,000 25.00 125,000
2006-09-18 Bartlett Steve (Director) Purchase 400 16.26 6,504
2006-08-16 Bartlett Steve (Director) Purchase 400 17.35 6,940
2006-07-27 Thompson Tommy G (Director) Purchase 500 15.79 7,895
2006-07-27 Roberts John R (Director) Purchase 5,000 15.74 78,700
2006-07-25 Scheffel William N (Sr. VP , Specialty Companies) Option Exercise 1,000 15.35 15,350
2006-07-19 Wilson Lisa M (Sr. VP Investor Relations) Option Exercise 6,000 13.58 81,480
2006-07-19 Witty Karey L (SVP, Chief Exec., Health Plans) Option Exercise 20,000 .56 11,200
2006-07-19 Drozda Joseph P Jr (Exec. VP Chief Medical Officer) Option Exercise 11,000 4.01 44,110
2006-07-19 Neidorff Michael F (Chairman and CEO) Option Exercise 23,208 7.57 175,684
2006-05-17 Drozda Joseph P Jr (Exec. VP Chief Medical Officer) Option Exercise 7,000 .45 3,150
2006-05-16 Drozda Joseph P Jr (Exec. VP Chief Medical Officer) Sale 5,000 25.05 125,250
2006-04-28 Witty Karey L (SVP, Chief Exec., Health Plans) Sale 5,000 25.00 125,000
2006-04-28 Witty Karey L (SVP, Chief Exec., Health Plans) Option Exercise 5,000 .45 2,250
2006-04-27 Hobbs Cary (Sr VP Strategy and Bus. Imp.) Sale 2,500 25.18 62,950
2006-04-27 Hobbs Cary (Sr VP Strategy and Bus. Imp.) Option Exercise 2,500 .34 850
2006-02-27 Goldman Carol (Senior VP Chief Admin Officer) Sale 4,000 28.00 112,000
2006-02-27 Goldman Carol (Senior VP Chief Admin Officer) Option Exercise 4,000 4.67 18,680
2006-02-15 Drozda Joseph P Jr (Exec. VP Chief Medical Officer) Sale 7,000 26.15 183,050
2006-02-15 Drozda Joseph P Jr (Exec. VP Chief Medical Officer) Option Exercise 7,000 .45 3,150
2006-02-10 Witty Karey L (Senior Vice Presiden) Sale 10,000 26.15 261,500
2006-02-10 Goldman Carol (Senior VP Chief Admin Officer) Sale 4,000 26.15 104,600
2006-02-10 Goldman Carol (Senior VP Chief Admin Officer) Option Exercise 4,000 9.32 37,300
2006-02-10 Neidorff Michael F (Chairman and CEO) Sale 5,000 26.15 130,750
2006-02-09 Neidorff Michael F (Chairman and CEO) Sale 35,000 26.77 936,950
2005-12-23 Goldman Carol (Senior VP Chief Admi) Option Exercise 5,000 6.91 34,550
2005-12-01 Witty Karey L (Senior Vice Presiden) Sale 5,000 24.96 124,800
2005-12-01 Neidorff Michael F (Chairman and CEO) Sale 40,000 25.06 1,002,400
2005-09-01 Witty Karey L (Senior Vice Presiden) Sale 5,000 30.64 153,200
2005-08-01 Ditmore Robert K (Director) Purchase 8,450 29.91 252,739
2005-06-03 Witty Karey L (Senior Vice Presiden) Sale 5,000 32.28 161,400
2005-05-02 Neidorff Michael F (Chairman and CEO) Sale 40,000 28.43 1,137,200
2005-03-16 Wiederhold Richard P (Director) Sale 40,000 30.63 1,225,200

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 CENTENE CORP (symbol CNC, CIK number 1071739) see the Securities and Exchange Commission (SEC) website.

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