Insider Trading activities of Centene Corp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Centene Corp since 2005 are illustrated in Table 1 and Table 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 $1,471,431.
The total value of stock sales since 2005 is $87,674,787.
The total value of stock option exercises since 2005 is $28,228,806.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Centene Corp (CNC).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-10 0 $0 4,167 $376,780 0 $0
2017-08 0 $0 4,000 $317,720 0 $0
2017-07 0 $0 39,167 $3,153,252 0 $0
2017-06 0 $0 35,411 $2,668,784 0 $0
2017-05 0 $0 11,000 $822,000 0 $0
2017-04 0 $0 7,317 $531,135 0 $0
2017-03 0 $0 8,000 $557,220 0 $0
2017-02 0 $0 12,317 $849,588 0 $0
2016-12 0 $0 3,297 $191,226 127,068 $1,601,056
2016-11 0 $0 5,000 $325,000 0 $0
2016-10 0 $0 16,000 $1,063,080 25,000 $315,000
2016-09 150 $10,050 0 $0 10,000 $126,000
2016-07 0 $0 6,000 $426,000 10,000 $126,000
2016-06 0 $0 23,824 $1,630,507 24,000 $302,400
2016-04 0 $0 16,000 $1,016,920 0 $0
2016-03 0 $0 15,000 $944,400 0 $0
2016-02 0 $0 0 $0 6,000 $75,600
2016-01 0 $0 13,500 $875,580 0 $0
2015-12 0 $0 27,000 $1,759,930 400,000 $5,080,000
2015-10 0 $0 5,000 $304,400 0 $0
2015-09 0 $0 0 $0 20,000 $252,000
2015-08 0 $0 2,500 $177,300 40 $508
2015-07 0 $0 30,774 $2,185,400 0 $0
2015-06 0 $0 32,290 $2,567,540 0 $0
2015-05 0 $0 5,000 $325,400 20,000 $281,400
2015-04 0 $0 50,998 $3,344,203 15,998 $203,174
2015-03 0 $0 20,000 $1,298,750 0 $0
2015-01 0 $0 10,900 $1,143,083 0 $0
2014-12 0 $0 5,000 $509,000 0 $0
2014-10 0 $0 22,500 $2,012,550 0 $0
2014-09 0 $0 36,500 $2,918,563 6,000 $113,040
2014-08 0 $0 1,000 $77,020 0 $0
2014-05 0 $0 2,500 $175,000 77,980 $1,452,192
2014-04 0 $0 5,000 $310,950 0 $0
2014-03 0 $0 22,895 $1,419,311 10,000 $166,500
2014-02 0 $0 38,000 $2,347,160 0 $0
2013-12 17,600 $992,815 0 $0 0 $0
2013-09 0 $0 0 $0 100,000 $1,785,000
2013-07 0 $0 14,000 $805,690 3,000 $52,140
2013-06 0 $0 27,000 $1,333,980 6,000 $81,480
2013-05 0 $0 33,191 $1,683,342 7,500 $189,075
2013-03 0 $0 0 $0 25,000 $343,625
2013-02 0 $0 3,000 $141,000 0 $0
2012-12 0 $0 114,759 $5,161,405 83,259 $1,268,712
2012-11 0 $0 2,000 $84,780 17,500 $347,325
2012-09 0 $0 15,000 $628,200 0 $0
2012-08 0 $0 10,000 $406,991 0 $0
2012-06 0 $0 0 $0 2,000 $53,500
2012-05 0 $0 0 $0 10,000 $178,500
2012-04 0 $0 5,000 $211,800 0 $0
2012-03 0 $0 234,581 $11,102,015 210,581 $3,246,376
2012-02 0 $0 135,000 $6,611,400 117,498 $1,766,610
2012-01 0 $0 0 $0 38,493 $593,656
2011-12 0 $0 0 $0 27,000 $773,145
2011-11 0 $0 44,012 $1,525,053 0 $0
2011-10 0 $0 25,000 $853,500 27,003 $582,376
2011-07 0 $0 3,000 $106,170 3,000 $52,140
2011-06 0 $0 40,000 $1,387,200 29,170 $565,752
2011-05 0 $0 7,000 $238,839 83,991 $2,077,507
2011-03 0 $0 30,000 $920,400 54,034 $697,112
2011-02 0 $0 21,000 $619,740 64,486 $1,040,056
2011-01 0 $0 0 $0 17,500 $237,650
2010-12 0 $0 5,000 $118,000 3,000 $18,870
2010-10 0 $0 18,870 $427,671 5,000 $67,900
2010-08 0 $0 18,890 $415,618 5,000 $67,900
2010-07 0 $0 0 $0 6,000 $81,480
2010-05 0 $0 15,000 $333,600 15,000 $158,625
2010-04 0 $0 25,000 $598,500 0 $0
2010-03 0 $0 13,270 $284,744 0 $0
2009-12 0 $0 10,732 $225,372 15,732 $204,920
2009-08 0 $0 0 $0 4,000 $61,400
2009-05 0 $0 0 $0 1,500 $10,522
2009-03 0 $0 0 $0 12,000 $166,500
2008-08 0 $0 8,000 $187,600 3,000 $18,870
2008-07 0 $0 55,260 $1,252,988 4,180 $17,846
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 of Centene Corp insiders (CNC)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-10-26 Ditmore Robert K Sale 4,167 90.42 376,780
2017-08-01 Bowers Christopher D (EVP, Markets) Sale 4,000 79.43 317,720
2017-07-27 Ditmore Robert K Sale 4,167 82.59 344,152
2017-07-06 Neidorff Michael F (Chairman, President and CEO) Sale 35,000 80.26 2,809,100
2017-06-12 Gephardt Richard A Sale 4,350 77.38 336,603
2017-06-02 Brooks Mark J (SVP, Chief Information Officer) Sale 2,161 75.43 163,004
2017-06-02 Ditmore Robert K Sale 3,900 75.43 294,177
2017-06-01 Neidorff Michael F (Chairman, President and CEO) Sale 25,000 75.00 1,875,000
2017-05-01 Hunter Jesse N (EVP, Products) Sale 5,000 74.40 372,000
2017-05-01 Williamson Keith H (EVP, Secr. & General Counsel) Sale 6,000 75.00 450,000
2017-04-27 Bowers Christopher D (EVP, Markets) Sale 3,150 72.80 229,320
2017-04-27 Ditmore Robert K Sale 4,167 72.43 301,815
2017-03-27 Williamson Keith H (EVP, Secr. & General Counsel) Sale 6,000 70.03 420,180
2017-03-13 Schwaneke Jeffrey A. (EVP, CFO) Sale 2,000 68.52 137,040
2017-02-13 Hunter Jesse N (EVP, Products) Sale 5,000 69.54 347,700
2017-02-09 Bowers Christopher D (EVP, Markets) Sale 3,150 68.41 215,491
2017-02-09 Ditmore Robert K Sale 4,167 68.73 286,397
2016-12-09 Neidorff Michael F (Chairman, President and CEO) Option Ex 127,068 12.60 1,601,056
2016-12-01 Brooks Mark J (SVP, Chief Information Officer) Sale 2,198 58.00 127,484
2016-11-07 Hunter Jesse N (EVP, Products) Sale 5,000 65.00 325,000
2016-10-10 Neidorff Michael F (Chairman, President and CEO) Option Ex 25,000 12.60 315,000
2016-10-03 Baldwin Kenneth Rone (EVP, Markets) Sale 6,000 66.58 399,480
2016-10-03 Goldman Carol (Exec VP Chief Admin Officer) Sale 10,000 66.36 663,600
2016-09-07 Ditmore Robert K Buy 150 67.00 10,050
2016-09-07 Neidorff Michael F (Chairman, President and CEO) Option Ex 10,000 12.60 126,000
2016-07-28 Neidorff Michael F (Chairman, President and CEO) Option Ex 10,000 12.60 126,000
2016-07-01 Baldwin Kenneth Rone (EVP, Markets) Sale 6,000 71.00 426,000
2016-06-29 Gephardt Richard A Sale 7,000 70.00 490,000
2016-06-28 Gephardt Richard A Sale 8,910 68.02 606,058
2016-06-24 Hunter Jesse N (EVP, Products) Option Ex 24,000 12.60 302,400
2016-06-24 Williamson Keith H (EVP, Secr. & General Counsel) Sale 1,000 70.00 70,000
2016-06-23 Williamson Keith H (EVP, Secr. & General Counsel) Sale 3,000 70.00 210,000
2016-06-06 Brooks Mark J (SVP, Chief Information Officer) Sale 3,914 65.01 254,449
2016-04-28 Hunter Jesse N (EVP, Products) Sale 10,000 65.17 651,700
2016-04-01 Baldwin Kenneth Rone (EVP, Markets) Sale 6,000 60.87 365,220
2016-03-23 Goldman Carol (Exec VP Chief Admin Officer) Sale 15,000 62.96 944,400
2016-02-12 Goldman Carol (Exec VP Chief Admin Officer) Option Ex 6,000 12.60 75,600
2016-01-04 Hunter Jesse N (EVP, Chief Bus. Dev. Officer) Sale 7,500 65.00 487,500
2016-01-04 Baldwin Kenneth Rone (EVP, Insurance Group) Sale 6,000 64.68 388,080
2015-12-22 Schwaneke Jeffrey A. (SVP, Corp. Controller & CAO) Sale 2,000 65.09 130,180
2015-12-22 Goldman Carol (Exec VP Chief Admin Officer) Sale 25,000 65.19 1,629,750
2015-12-10 Neidorff Michael F (Chairman, President and CEO) Option Ex 400,000 12.70 5,080,000
2015-10-29 Goldman Carol (Exec VP Chief Admin Officer) Sale 5,000 60.88 304,400
2015-09-29 Neidorff Michael F (Chairman, President and CEO) Option Ex 20,000 12.60 252,000
2015-08-03 Hunter Jesse N (EVP, Chief Bus. Dev. Officer) Sale 2,500 70.92 177,300
2015-08-03 Hunter Jesse N (EVP, Chief Bus. Dev. Officer) Option Ex 40 12.70 508
2015-07-30 Eppinger Frederick H Sale 10,774 68.80 741,251
2015-07-30 Ditmore Robert K Sale 15,000 69.21 1,038,149
2015-07-01 Goldman Carol (Exec VP Chief Admin Officer) Sale 5,000 81.20 406,000
2015-06-22 Williamson Keith H (EVP, Secr. & General Counsel) Sale 7,000 80.87 566,090
2015-06-18 Scheffel William N (Exec VP, CFO & Treasurer) Sale 25,290 79.14 2,001,450
2015-05-14 Eppinger Frederick H Option Ex 20,000 14.07 281,400
2015-05-04 Imholz Donald G (EVP, Operations and CIO) Sale 5,000 65.08 325,400
2015-04-30 Imholz Donald G (EVP, Operations and CIO) Sale 5,000 63.72 318,600
2015-04-30 Goldman Carol (Exec VP Chief Admin Officer) Sale 15,998 63.48 1,015,553
2015-04-30 Goldman Carol (Exec VP Chief Admin Officer) Option Ex 15,998 12.70 203,174
2015-04-30 Ditmore Robert K Sale 15,000 63.83 957,450
2015-04-06 Neidorff Michael F (Chairman, President and CEO) Sale 10,000 70.43 704,300
2015-04-01 Hunter Jesse N (EVP, Chief Bus. Dev. Officer) Sale 5,000 69.66 348,300
2015-03-19 Williamson Keith H (EVP, Secr. & General Counsel) Sale 5,000 70.18 350,900
2015-03-09 Ditmore Robert K Sale 15,000 63.19 947,850
2015-01-02 Hunter Jesse N (EVP, Chief Bus. Dev. Officer) Sale 2,500 104.87 262,175
2015-01-02 Goldman Carol (Exec VP Chief Admin Officer) Sale 8,400 104.87 880,908
2014-12-16 Schwaneke Jeffrey A. (SVP, Corp. Controller & CAO) Sale 5,000 101.80 509,000
2014-10-30 Neidorff Michael F (Chairman, President and CEO) Sale 20,000 90.45 1,809,000
2014-10-01 Hunter Jesse N (EVP, Chief Bus. Dev. Officer) Sale 2,500 81.42 203,550
2014-09-25 Imholz Donald G (EVP, Operations and CIO) Option Ex 6,000 18.84 113,040
2014-09-22 Goldman Carol (Exec VP Chief Admin Officer) Sale 12,500 81.85 1,023,124
2014-09-18 Imholz Donald G (EVP, Operations and CIO) Sale 5,000 80.10 400,500
2014-09-18 Williamson Keith H (EVP, Secr. & General Counsel) Sale 4,000 80.54 322,160
2014-09-15 Williamson Keith H (EVP, Secr. & General Counsel) Sale 4,000 77.48 309,920
2014-09-09 Schwaneke Jeffrey A. (SVP, Corp. Controller & CAO) Sale 1,000 79.51 79,510
2014-09-09 Hunter Jesse N (EVP, Chief Bus. Dev. Officer) Sale 5,000 79.35 396,750
2014-09-02 Imholz Donald G (EVP, Operations and CIO) Sale 5,000 77.32 386,599
2014-08-28 Schwaneke Jeffrey A. (SVP, Corp. Controller & CAO) Sale 1,000 77.02 77,020
2014-05-28 Hunter Jesse N (EVP, Chief Bus. Dev. Officer) Option Ex 7,980 25.40 202,692
2014-05-28 Neidorff Michael F (Chairman, President and CEO) Option Ex 70,000 17.85 1,249,500
2014-05-12 Harrold Jason M (EVP, Specialty Comp. Bus. Unit) Sale 2,500 70.00 175,000
2014-04-02 Harrold Jason M (EVP, Specialty Comp. Bus. Unit) Sale 5,000 62.19 310,950
2014-03-31 Kroll Edmund E (SVP Fin & Investor Relations) Sale 5,000 62.00 310,000
2014-03-31 Scheffel William N (Exec VP, CFO & Treasurer) Sale 17,895 61.99 1,109,311
2014-03-03 Ditmore Robert K Option Ex 10,000 16.65 166,500
2014-02-24 Williamson Keith H (EVP, Secr. & General Counsel) Sale 4,000 63.00 252,000
2014-02-06 Imholz Donald G (EVP, Operations and CIO) Sale 5,000 61.36 306,800
2014-02-06 Hunter Jesse N (EVP, Chief Bus. Dev. Officer) Sale 5,000 61.66 308,300
2014-02-06 Williamson Keith H (EVP, Secr. & General Counsel) Sale 4,000 61.09 244,360
2014-02-06 Goldman Carol (Exec VP Chief Admin Officer) Sale 10,000 61.57 615,700
2014-02-06 Neidorff Michael F (Chairman, President and CEO) Sale 10,000 62.00 620,000
2013-12-17 Ayala Orlando Buy 17,600 56.41 992,815
2013-09-25 Neidorff Michael F (Chairman, President and CEO) Option Ex 100,000 17.85 1,785,000
2013-07-25 Schwaneke Jeffrey A. (SVP, Corp. Controller & CAO) Sale 3,000 57.40 172,200
2013-07-25 Schwaneke Jeffrey A. (SVP, Corp. Controller & CAO) Option Ex 3,000 17.38 52,140
2013-07-25 Hunter Jesse N (EVP, Chief Bus. Dev. Officer) Sale 5,000 57.41 287,050
2013-07-25 Williamson Keith H (EVP, Secr. & General Counsel) Sale 6,000 57.74 346,440
2013-06-13 Williamson Keith H (EVP, Secr. & General Counsel) Sale 5,800 50.25 291,450
2013-06-07 Imholz Donald G (EVP, Chief Information Officer) Sale 5,000 50.00 250,000
2013-06-07 Williamson Keith H (EVP, Secr. & General Counsel) Sale 200 50.25 10,050
2013-06-03 Hunter Jesse N (EVP, Chief Bus. Dev. Officer) Sale 6,000 48.28 289,680
2013-06-03 Hunter Jesse N (EVP, Chief Bus. Dev. Officer) Option Ex 6,000 13.58 81,480
2013-06-03 Goldman Carol (Exec VP Chief Admin Officer) Sale 10,000 49.28 492,800
2013-05-30 Schwaneke Jeffrey A. (SVP, Corp. Controller & CAO) Sale 3,000 50.68 152,040
2013-05-30 Scheffel William N (Exec VP, CFO & Treasurer) Sale 22,191 50.80 1,127,302
2013-05-30 Harrold Jason M (EVP, Specialty Comp. Bus. Unit) Sale 5,000 50.80 254,000
2013-05-17 Harrold Jason M (EVP, Specialty Comp. Bus. Unit) Option Ex 7,500 25.21 189,075
2013-05-10 Williamson Keith H (EVP, Secr. & General Counsel) Sale 3,000 50.00 150,000
2013-03-14 Steward David L Option Ex 25,000 13.74 343,625
2013-02-08 Williamson Keith H (EVP, Secr. & General Counsel) Sale 3,000 47.00 141,000
2012-12-12 Schwaneke Jeffrey A. (SVP, Corp. Controller & CAO) Sale 3,000 46.00 138,000
2012-12-12 Schwaneke Jeffrey A. (SVP, Corp. Controller & CAO) Option Ex 3,000 17.38 52,140
2012-12-11 Mason Mary V (SVP & Chief Medical Officer) Option Ex 7,500 26.59 199,402
2012-12-04 Williamson Keith H (EVP, Secr. & General Counsel) Sale 9,000 45.10 405,900
2012-12-04 Goldman Carol (Exec VP Chief Admin Officer) Sale 15,000 45.15 677,250
2012-12-03 Imholz Donald G (EVP, Chief Information Officer) Sale 10,000 44.11 441,100
2012-12-03 Kroll Edmund E (SVP Fin & Investor Relations) Sale 5,000 45.00 225,000
2012-12-03 Neidorff Michael F (Chairman, President and CEO) Sale 72,759 45.00 3,274,155
2012-12-03 Neidorff Michael F (Chairman, President and CEO) Option Ex 72,759 13.98 1,017,170
2012-11-30 Roberts John R Option Ex 10,000 16.65 166,500
2012-11-28 Harrold Jason M (EVP, Specialty Business Unit) Sale 2,000 42.39 84,780
2012-11-26 Williamson Keith H (EVP, Secr. & General Counsel) Option Ex 7,500 24.11 180,825
2012-09-05 Goldman Carol (Exec VP Chief Admin Officer) Sale 15,000 41.88 628,200
2012-08-29 Imholz Donald G (EVP, Chief Information Officer) Sale 757 41.01 31,044
2012-08-28 Imholz Donald G (EVP, Chief Information Officer) Sale 4,243 41.02 174,047
2012-08-24 Imholz Donald G (EVP, Chief Information Officer) Sale 5,000 40.38 201,900
2012-06-08 Thompson Tommy G Option Ex 2,000 26.75 53,500
2012-05-01 Neidorff Michael F (Chairman, President and CEO) Option Ex 10,000 17.85 178,500
2012-04-26 Harrold Jason M (EVP, Specialty Business Unit) Sale 5,000 42.36 211,800
2012-03-06 Scheffel William N (Exec VP, CFO & Treasurer) Sale 24,000 45.64 1,095,360
2012-03-06 Goldman Carol (Exec VP Chief Admin Officer) Sale 38,081 45.64 1,738,016
2012-03-06 Goldman Carol (Exec VP Chief Admin Officer) Option Ex 38,081 26.07 992,771
2012-03-05 Ditmore Robert K Sale 22,500 46.65 1,049,625
2012-03-05 Ditmore Robert K Option Ex 22,500 7.57 170,325
2012-03-02 Neidorff Michael F (Chairman, President and CEO) Sale 81,409 47.45 3,862,857
2012-03-02 Neidorff Michael F (Chairman, President and CEO) Option Ex 81,409 13.98 1,138,097
2012-03-01 Neidorff Michael F (Chairman, President and CEO) Sale 68,591 48.93 3,356,157
2012-03-01 Neidorff Michael F (Chairman, President and CEO) Option Ex 68,591 13.78 945,183
2012-02-29 Hunter Jesse N (Exec VP of Operations) Sale 25,000 48.98 1,224,500
2012-02-29 Gephardt Richard A Sale 10,000 48.99 489,900
2012-02-29 Gephardt Richard A Option Ex 10,000 25.21 252,100
2012-02-29 Neidorff Michael F (Chairman, President and CEO) Sale 100,000 48.97 4,897,000
2012-02-29 Neidorff Michael F (Chairman, President and CEO) Option Ex 100,000 13.58 1,358,000
2012-02-22 Imholz Donald G (EVP, Chief Information Officer) Option Ex 3,000 18.84 56,520
2012-02-14 Eggert Mark W (Executive VP, Health Plans) Option Ex 4,498 22.23 99,990
2012-01-30 Neidorff Michael F (Chairman, President and CEO) Option Ex 32,573 13.58 442,341
2012-01-19 Goldman Carol (Exec VP Chief Admin Officer) Option Ex 5,920 25.56 151,315
2011-12-21 Scheffel William N (Exec VP, CFO & Treasurer) Option Ex 27,000 28.64 773,145
2011-11-14 Scheffel William N (Exec VP, CFO & Treasurer) Sale 15,012 35.29 529,773
2011-11-01 Hunter Jesse N (Exec VP, Corporate Development) Sale 4,000 34.32 137,280
2011-11-01 Neidorff Michael F (Chairman, President and CEO) Sale 25,000 34.32 858,000
2011-10-31 Hunter Jesse N (Exec VP, Corporate Development) Option Ex 9,000 13.58 122,220
2011-10-31 Scheffel William N (Exec VP, CFO & Treasurer) Option Ex 18,003 25.56 460,156
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Insider trading activities including stock purchases, stock sales, and option exercises of CNC 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.