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Insider Trading: Memc Electronic Materials Inc
Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Memc Electronic Materials Inc in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Memc Electronic Materials Inc since year 2005. Table 2 shows the detailed insider transactions of Memc Electronic Materials Inc since 2005.
The reporting company's ticker symbol is WFR.
The reporting company's CIK number is 945436.
The total value of stock buying since 2005 is $474,339.
The total value of stock sales is $4,069,590,966.
The total value of stock exercises is $36,457,027.
1 year stock price chart,
1 day stock price chart
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Figure 1. Monthly insider transaction values at Memc Electronic Materials Inc (WFR) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 09 10 11 -
Figure 2. Average prices of insider buys, sales, and option exercises at Memc Electronic Materials Inc (WFR) in the past 24 months. See table 2 for insider transaction details.
12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 09 10 11 -
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for Memc Electronic Materials Inc (WFR).
Trading Period
year-month |
Insider Buying
Shares Value ($) |
Insider Sales
Shares Value ($) |
Option Exercises
Shares Value ($) |
| 2008-11 | 10,000 | 133,600 | 0 | 0 | 0 | 0 |
| 2008-10 | 15,000 | 0 | 0 | 0 | 0 | 0 |
| 2008-07 | 0 | 0 | 0 | 0 | 10,000 | 32,800 |
| 2008-05 | 0 | 0 | 575,000 | 37,541,750 | 575,000 | 6,192,750 |
| 2008-04 | 500 | 32,975 | 0 | 0 | 6,563 | 0 |
| 2008-03 | 0 | 0 | 10,204 | 867,340 | 5,000 | 228,500 |
| 2008-02 | 638 | 45,629 | 94,275 | 7,250,981 | 94,275 | 1,675,407 |
| 2008-01 | 0 | 0 | 0 | 0 | 19,500 | 0 |
| 2007-12 | 0 | 0 | 10,000 | 748,900 | 10,000 | 32,800 |
| 2007-11 | 0 | 0 | 278,450 | 19,549,442 | 278,450 | 9,852,068 |
| 2007-10 | 0 | 0 | 87,500 | 6,400,750 | 87,500 | 1,256,125 |
| 2007-09 | 0 | 0 | 95,000 | 5,566,350 | 95,000 | 1,871,100 |
| 2007-08 | 5,000 | 262,135 | 25,000 | 1,512,750 | 25,000 | 919,500 |
| 2007-07 | 0 | 0 | 39,100 | 2,339,744 | 39,100 | 602,384 |
| 2007-05 | 0 | 0 | 950,000 | 54,828,090 | 950,000 | 7,007,602 |
| 2007-04 | 0 | 0 | 0 | 0 | 6,562 | 0 |
| 2007-02 | 0 | 0 | 40,000,000 | 2,122,800,000 | 8,400 | 180,236 |
| 2007-01 | 0 | 0 | 450,000 | 23,409,000 | 450,000 | 1,460,250 |
| 2006-12 | 0 | 0 | 0 | 0 | 100,000 | 150,000 |
| 2006-11 | 0 | 0 | 39,006,967 | 1,367,558,169 | 438,650 | 4,995,505 |
| 2005-08 | 0 | 0 | 24,530,000 | 419,217,700 | 0 | 0 |
Table 2. Detailed insider stock purchases, sales, and option exercises
for Memc Electronic Materials Inc (WFR)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2008-11-19 | Marsh C Douglas (Director) | Purchase | 10,000 | 13.36 | 133,600 |
| 2008-10-31 | Boehlke Robert J (Director) | Purchase | 15,000 | .00 | 0 |
| 2008-07-24 | Stevens William E (Director) | Option Exercise | 10,000 | 3.28 | 32,800 |
| 2008-05-02 | Gareeb Nabeel (PRESIDENT & CEO) | Sale | 575,000 | 65.29 | 37,541,750 |
| 2008-05-02 | Gareeb Nabeel (PRESIDENT & CEO) | Option Exercise | 575,000 | 10.77 | 6,192,750 |
| 2008-04-30 | Turner Marshall C (Director) | Purchase | 500 | 65.95 | 32,975 |
| 2008-04-26 | Hannah Ken (Sr. VP, CFO) | Option Exercise | 6,563 | .00 | 0 |
| 2008-03-18 | Kauffmann John Anthony (SVP Sales & Mktg.) | Sale | 10,204 | 85.00 | 867,340 |
| 2008-03-18 | Kauffmann John Anthony (SVP Sales & Mktg.) | Option Exercise | 5,000 | 45.70 | 228,500 |
| 2008-02-29 | Sadasivam Chandrasekhar (SVP R&D) | Sale | 79,275 | 76.62 | 6,073,891 |
| 2008-02-29 | Sadasivam Chandrasekhar (SVP R&D) | Option Exercise | 79,275 | 17.84 | 1,414,107 |
| 2008-02-22 | Boehlke Robert J (Director) | Sale | 10,000 | 79.86 | 798,590 |
| 2008-02-22 | Boehlke Robert J (Director) | Option Exercise | 10,000 | 3.28 | 32,800 |
| 2008-02-15 | Cheles Michael (VP IT & CIO) | Purchase | 638 | 71.52 | 45,629 |
| 2008-02-04 | Hunkler Sean (SVP Manufacturing) | Sale | 5,000 | 75.70 | 378,500 |
| 2008-02-04 | Hunkler Sean (SVP Manufacturing) | Option Exercise | 5,000 | 45.70 | 228,500 |
| 2008-01-23 | Cheles Michael (VP IT & CIO) | Option Exercise | 1,500 | .00 | 0 |
| 2008-01-23 | Cabrera Mignon (SVP Human Resources) | Option Exercise | 1,500 | .00 | 0 |
| 2008-01-23 | Hannah Ken (Sr. VP, CFO) | Option Exercise | 2,500 | .00 | 0 |
| 2008-01-23 | Kohn Bradley D (VP & Gen. Counsel) | Option Exercise | 1,500 | .00 | 0 |
| 2008-01-23 | Hunkler Sean (SVP Mfg.) | Option Exercise | 5,000 | .00 | 0 |
| 2008-01-23 | Kauffmann John Anthony (SVP Sales & Mktg.) | Option Exercise | 3,750 | .00 | 0 |
| 2008-01-23 | Sadasivam Chandrasekhar (SVP R&D) | Option Exercise | 3,750 | .00 | 0 |
| 2007-12-04 | Boehlke Robert J (Director) | Sale | 10,000 | 74.89 | 748,900 |
| 2007-12-04 | Boehlke Robert J (Director) | Option Exercise | 10,000 | 3.28 | 32,800 |
| 2007-11-30 | Hunkler Sean (SVP Mfg.) | Sale | 3,450 | 78.86 | 272,067 |
| 2007-11-30 | Hunkler Sean (SVP Mfg.) | Option Exercise | 3,450 | 29.73 | 102,568 |
| 2007-11-05 | Kohn Bradley D (VP & Gen. Counsel) | Sale | 25,000 | 71.30 | 1,782,375 |
| 2007-11-05 | Kohn Bradley D (VP & Gen. Counsel) | Option Exercise | 25,000 | 19.88 | 497,000 |
| 2007-11-02 | Gareeb Nabeel (PRESIDENT & CEO) | Sale | 250,000 | 69.98 | 17,495,000 |
| 2007-11-02 | Gareeb Nabeel (PRESIDENT & CEO) | Option Exercise | 250,000 | 37.01 | 9,252,500 |
| 2007-10-29 | Hunkler Sean (SVP Mfg.) | Sale | 50,000 | 73.64 | 3,682,000 |
| 2007-10-29 | Hunkler Sean (SVP Mfg.) | Option Exercise | 50,000 | 18.05 | 902,500 |
| 2007-10-29 | Kauffmann John Anthony (SVP Sales & Mktg.) | Sale | 37,500 | 72.50 | 2,718,750 |
| 2007-10-29 | Kauffmann John Anthony (SVP Sales & Mktg.) | Option Exercise | 37,500 | 9.43 | 353,625 |
| 2007-09-05 | Cheles Michael (VP IT & CIO) | Sale | 25,000 | 58.21 | 1,455,250 |
| 2007-09-05 | Cheles Michael (VP IT & CIO) | Option Exercise | 25,000 | 38.50 | 962,500 |
| 2007-09-04 | Kauffmann John Anthony (SVP Sales & Mktg.) | Sale | 70,000 | 58.73 | 4,111,100 |
| 2007-09-04 | Kauffmann John Anthony (SVP Sales & Mktg.) | Option Exercise | 70,000 | 12.98 | 908,600 |
| 2007-08-31 | Cabrera Mignon (SVP Human Resources) | Sale | 25,000 | 60.51 | 1,512,750 |
| 2007-08-31 | Cabrera Mignon (SVP Human Resources) | Option Exercise | 25,000 | 36.78 | 919,500 |
| 2007-08-09 | Marsh C Douglas (Director) | Purchase | 5,000 | 52.43 | 262,135 |
| 2007-07-26 | Kauffmann John Anthony (SVP Sales & Mktg.) | Sale | 39,100 | 59.84 | 2,339,744 |
| 2007-07-26 | Kauffmann John Anthony (SVP Sales & Mktg.) | Option Exercise | 39,100 | 15.41 | 602,384 |
| 2007-05-08 | Gareeb Nabeel (President & CEO) | Sale | 513,500 | 57.87 | 29,716,245 |
| 2007-05-08 | Gareeb Nabeel (President & CEO) | Option Exercise | 513,500 | 9.40 | 4,829,467 |
| 2007-05-07 | Gareeb Nabeel (President & CEO) | Sale | 436,500 | 57.53 | 25,111,845 |
| 2007-05-07 | Gareeb Nabeel (President & CEO) | Option Exercise | 436,500 | 4.99 | 2,178,135 |
| 2007-04-26 | Hannah Ken (Sr. VP, CFO) | Option Exercise | 6,562 | .00 | 0 |
| 2007-02-07 | Tpg Wafer Partners Llc (10% Owner) | Sale | 20,000,000 | 53.07 | 1,061,400,000 |
| 2007-02-07 | Tcw Asset Management Co (10% Owner) | Sale | 20,000,000 | 53.07 | 1,061,400,000 |
| 2007-02-05 | Stevens William E (Director) | Option Exercise | 8,400 | 21.46 | 180,236 |
| 2007-01-31 | Gareeb Nabeel (President & CEO) | Sale | 450,000 | 52.02 | 23,409,000 |
| 2007-01-31 | Gareeb Nabeel (President & CEO) | Option Exercise | 450,000 | 3.24 | 1,460,250 |
| 2006-12-04 | Gareeb Nabeel (President & CEO) | Option Exercise | 100,000 | 1.50 | 150,000 |
| 2006-11-30 | Hunkler Sean (Sr. Vice Pres., Manufacturing) | Sale | 50,000 | 39.01 | 1,950,500 |
| 2006-11-30 | Hunkler Sean (Sr. Vice Pres., Manufacturing) | Option Exercise | 50,000 | 18.05 | 902,500 |
| 2006-11-28 | Kohn Bradley D (Vice President & Gen. Counsel) | Sale | 25,000 | 38.76 | 969,125 |
| 2006-11-28 | Kohn Bradley D (Vice President & Gen. Counsel) | Option Exercise | 25,000 | 19.88 | 497,000 |
| 2006-11-07 | Tpg Wafer Partners Llc (10% Owner) | Sale | 19,500,000 | 35.05 | 683,475,000 |
| 2006-11-07 | Tcw Asset Management Co (10% Owner) | Sale | 18,894,000 | 35.05 | 662,234,700 |
| 2006-11-03 | Sadasivam Chandrasekhar (Sr. VP, Research & Development) | Sale | 229,067 | 35.33 | 8,075,895 |
| 2006-11-03 | Sadasivam Chandrasekhar (Sr. VP, Research & Development) | Option Exercise | 218,050 | 9.12 | 1,988,373 |
| 2006-11-02 | Kauffmann John Anthony (Sr. Vice President) | Sale | 145,600 | 35.11 | 5,111,322 |
| 2006-11-02 | Kauffmann John Anthony (Sr. Vice President) | Option Exercise | 145,600 | 11.04 | 1,607,632 |
| 2005-08-16 | Lgp Management Inc (10% Owner) | Sale | 10,220,000 | 17.09 | 174,659,800 |
| 2005-08-16 | Tpg Wafer Holdings Llc (10% Owner) | Sale | 14,310,000 | 17.09 | 244,557,900 |
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 Memc Electronic Materials Inc (symbol WFR,
CIK number 945436) see
the Securities and Exchange Commission (SEC) website.
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