The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Hummel Larry M since 2006.
The trader's CIK number is 1200840.
At the time of the last reporting, Hummel Larry M was the Other of Sigma Aldrich Corp. (stock ticker symbol SIAL).
Also see all insider trading activities at Sigma Aldrich Corp.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2011 | SIAL | 0 | $0 | 15,000 | $1,058,835 | 15,000 | $429,900 |
| 2010 | SIAL | 0 | $0 | 15,000 | $916,950 | 15,000 | $387,900 |
| 2009 | SIAL | 0 | $0 | 28,600 | $1,576,775 | 30,000 | $759,450 |
| 2008 | SIAL | 0 | $0 | 6,514 | $391,862 | 0 | $0 |
| 2007 | SIAL | 0 | $0 | 5,514 | $280,662 | 65,600 | $2,150,819 |
| 2006 | SIAL | 0 | $0 | 0 | $0 | 60,000 | $3,081,090 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2011-05-02 | SIAL | Option Ex | 15,000 | 28.66 | 429,900 |
| 2011-05-02 | SIAL | Sale | 15,000 | 70.59 | 1,058,835 |
| 2010-10-27 | SIAL | Option Ex | 15,000 | 25.86 | 387,900 |
| 2010-10-27 | SIAL | Sale | 15,000 | 61.13 | 916,950 |
| 2009-11-11 | SIAL | Option Ex | 30,000 | 25.32 | 759,450 |
| 2009-11-11 | SIAL | Sale | 28,600 | 55.13 | 1,576,775 |
| 2008-07-30 | SIAL | Sale | 5,514 | 60.94 | 336,012 |
| 2003-07-28 | SIAL | Sale | 1,000 | 55.85 | 55,850 |
| 2007-10-31 | SIAL | Sale | 5,514 | 50.90 | 280,662 |
| 2007-10-30 | SIAL | Option Ex | 41,600 | 34.32 | 1,427,795 |
| 2007-05-01 | SIAL | Option Ex | 24,000 | 30.13 | 723,024 |
| 2006-10-31 | SIAL | Option Ex | 30,000 | 50.53 | 1,515,900 |
| 2006-02-17 | SIAL | Option Ex | 30,000 | 52.17 | 1,565,190 |
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 Hummel Larry M (Other of Sigma Aldrich Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.