- Corporate Officers - N
- Neidorff Michael F
Insider Trading History of Neidorff Michael F
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Neidorff Michael F since 2005.
This trader's CIK number is 1186257.
At the time of last reporting, Neidorff Michael F was the Chairman & CEO of Centene Corp. (stock ticker symbol CNC).
Also see all insider trading activities at Centene Corp.
Note that in the past
NEIDORFF MICHAEL F also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Caleres Inc (CAL) by Neidorff Michael F
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2015 | CAL | 0 | $0 | 0 | $0 | 3,748 | $0 |
| 2011 | CAL | 7,500 | $82,050 | 0 | $0 | 0 | $0 |
| 2008 | CAL | 2,500 | $31,200 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Centene Corp (CNC) by Neidorff Michael F
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | CNC | 0 | $0 | 70,000 | $5,388,799 | 14,166 | $624,224 |
| 2020 | CNC | 0 | $0 | 300,000 | $21,036,000 | 12,500 | $356,375 |
| 2019 | CNC | 0 | $0 | 175,000 | $10,298,000 | 0 | $0 |
| 2018 | CNC | 0 | $0 | 250,000 | $27,050,000 | 10,000 | $570,200 |
| 2017 | CNC | 0 | $0 | 60,000 | $4,684,100 | 0 | $0 |
| 2016 | CNC | 0 | $0 | 0 | $0 | 172,068 | $2,168,056 |
| 2015 | CNC | 0 | $0 | 10,000 | $704,300 | 420,000 | $5,332,000 |
| 2014 | CNC | 0 | $0 | 30,000 | $2,429,000 | 70,000 | $1,249,500 |
| 2013 | CNC | 0 | $0 | 0 | $0 | 100,000 | $1,785,000 |
| 2012 | CNC | 0 | $0 | 322,759 | $15,390,169 | 365,332 | $5,079,291 |
| 2011 | CNC | 0 | $0 | 65,000 | $2,170,650 | 71,880 | $1,069,997 |
| 2010 | CNC | 0 | $0 | 32,760 | $771,889 | 31,000 | $375,905 |
| 2009 | CNC | 0 | $0 | 0 | $0 | 10,000 | $135,800 |
| 2008 | CNC | 0 | $0 | 50,000 | $1,133,500 | 0 | $0 |
| 2007 | CNC | 0 | $0 | 204,406 | $4,248,633 | 34,406 | $327,733 |
| 2006 | CNC | 0 | $0 | 40,000 | $1,067,700 | 23,208 | $175,684 |
| 2005 | CNC | 0 | $0 | 80,000 | $2,139,600 | 0 | $0 |
Insider trading activities at 2 companies by Neidorff Michael F:
1. Caleres Inc (CAL)
2. Centene Corp (CNC)
Table 1. Insider trading of Caleres Inc (CAL) by Neidorff Michael F
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2015-05-28 | CAL | Option Ex | 3,748 | .00 | 0 |
| 2011-03-16 | BWS | Buy | 7,500 | 10.94 | 82,050 |
| 2008-01-07 | BWS | Buy | 2,500 | 12.48 | 31,200 |
Table 2. Insider trading of Centene Corp (CNC) by Neidorff Michael F
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-12-14 | CNC | Sale | 50,000 | 79.74 | 3,986,999 |
| 2021-10-28 | CNC | Sale | 20,000 | 70.09 | 1,401,800 |
| 2021-04-29 | CNC | Option Ex | 14,166 | 44.06 | 624,224 |
| 2020-11-09 | CNC | Sale | 300,000 | 70.12 | 21,036,000 |
| 2020-03-04 | CNC | Option Ex | 12,500 | 28.51 | 356,375 |
| 2019-11-25 | CNC | Sale | 100,000 | 60.23 | 6,023,000 |
| 2019-11-15 | CNC | Sale | 75,000 | 57.00 | 4,275,000 |
| 2018-12-18 | CNC | Option Ex | 10,000 | 57.02 | 570,200 |
| 2018-04-26 | CNC | Sale | 250,000 | 108.20 | 27,050,000 |
| 2017-07-06 | CNC | Sale | 35,000 | 80.26 | 2,809,100 |
| 2017-06-01 | CNC | Sale | 25,000 | 75.00 | 1,875,000 |
| 2016-12-09 | CNC | Option Ex | 127,068 | 12.60 | 1,601,056 |
| 2016-10-10 | CNC | Option Ex | 25,000 | 12.60 | 315,000 |
| 2016-09-07 | CNC | Option Ex | 10,000 | 12.60 | 126,000 |
| 2016-07-28 | CNC | Option Ex | 10,000 | 12.60 | 126,000 |
| 2015-12-10 | CNC | Option Ex | 400,000 | 12.70 | 5,080,000 |
| 2015-09-29 | CNC | Option Ex | 20,000 | 12.60 | 252,000 |
| 2015-04-06 | CNC | Sale | 10,000 | 70.43 | 704,300 |
| 2014-10-30 | CNC | Sale | 20,000 | 90.45 | 1,809,000 |
| 2014-05-28 | CNC | Option Ex | 70,000 | 17.85 | 1,249,500 |
| 2014-02-06 | CNC | Sale | 10,000 | 62.00 | 620,000 |
| 2013-09-25 | CNC | Option Ex | 100,000 | 17.85 | 1,785,000 |
| 2012-12-03 | CNC | Option Ex | 72,759 | 13.98 | 1,017,170 |
| 2012-12-03 | CNC | Sale | 72,759 | 45.00 | 3,274,155 |
| 2012-05-01 | CNC | Option Ex | 10,000 | 17.85 | 178,500 |
| 2012-02-29 | CNC | Sale | 100,000 | 48.97 | 4,897,000 |
| 2012-03-02 | CNC | Sale | 81,409 | 47.45 | 3,862,857 |
| 2012-03-01 | CNC | Option Ex | 68,591 | 13.78 | 945,183 |
| 2012-02-29 | CNC | Option Ex | 100,000 | 13.58 | 1,358,000 |
| 2012-03-02 | CNC | Option Ex | 81,409 | 13.98 | 1,138,097 |
| 2012-03-01 | CNC | Sale | 68,591 | 48.93 | 3,356,157 |
| 2012-01-30 | CNC | Option Ex | 32,573 | 13.58 | 442,341 |
| 2011-11-01 | CNC | Sale | 25,000 | 34.32 | 858,000 |
| 2011-10-27 | CNC | Sale | 25,000 | 34.14 | 853,500 |
| 2011-06-03 | CNC | Option Ex | 29,170 | 19.39 | 565,752 |
| 2011-03-03 | CNC | Sale | 15,000 | 30.61 | 459,150 |
| 2011-03-07 | CNC | Option Ex | 25,210 | 10.57 | 266,595 |
| 2011-01-24 | CNC | Option Ex | 17,500 | 13.58 | 237,650 |
| 2010-10-28 | CNC | Option Ex | 5,000 | 13.58 | 67,900 |
| 2010-10-28 | CNC | Sale | 3,870 | 22.68 | 87,771 |
| 2010-08-02 | CNC | Option Ex | 5,000 | 13.58 | 67,900 |
| 2010-08-02 | CNC | Sale | 3,890 | 22.01 | 85,618 |
| 2010-07-13 | CNC | Option Ex | 6,000 | 13.58 | 81,480 |
| 2010-05-10 | CNC | Option Ex | 15,000 | 10.57 | 158,625 |
| 2010-04-29 | CNC | Sale | 25,000 | 23.94 | 598,500 |
| 2009-03-06 | CNC | Option Ex | 10,000 | 13.58 | 135,800 |
| 2008-07-31 | CNC | Sale | 50,000 | 22.67 | 1,133,500 |
| 2007-11-06 | CNC | Sale | 50,000 | 22.09 | 1,104,500 |
| 2007-11-05 | CNC | Option Ex | 30,000 | 7.57 | 227,100 |
| 2007-08-07 | CNC | Sale | 150,000 | 20.29 | 3,043,500 |
| 2007-03-14 | CNC | Sale | 4,406 | 22.84 | 100,633 |
| 2007-03-14 | CNC | Option Ex | 4,406 | 22.84 | 100,633 |
| 2006-07-19 | CNC | Option Ex | 23,208 | 7.57 | 175,684 |
| 2006-02-09 | CNC | Sale | 35,000 | 26.77 | 936,950 |
| 2006-02-10 | CNC | Sale | 5,000 | 26.15 | 130,750 |
| 2005-12-01 | CNC | Sale | 40,000 | 25.06 | 1,002,400 |
| 2005-05-02 | CNC | Sale | 40,000 | 28.43 | 1,137,200 |
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 Neidorff Michael F
(Chairman & CEO of Centene Corp at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.