William C. Oneil serves as Executive at SIGMA ALDRICH CORP, where they oversee executive responsibilities. Since joining the company, William C. Oneil has executed 42 insider transactions totaling $1.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Mar 13, 2018 involved exercising options for 15 shares valued at $0.
William C. Oneil currently holds 36,748 shares of SIGMA ALDRICH CORP (SIAL), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William C. Oneil has been a net seller of SIAL stock. They have purchased $11.4K and sold $1.4M worth of shares.
William C. Oneil's most recent insider trade was on Mar 13, 2018, when they sold 15 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Mar 10, 2018 | DVCR | $0 | Option Exercise | 9 | $N/A | Discretionary |
| Mar 13, 2017 | DVCR | $0 | Award | 2,000 | $N/A | Discretionary |
| Mar 12, 2017 | DVCR | $0 | Option Exercise | 9 | $N/A | Discretionary |
| Mar 11, 2017 | DVCR | $0 | Option Exercise | 16 | $N/A | Discretionary |
| Mar 10, 2017 | DVCR | $0 | Option Exercise | 4 | $N/A | Discretionary |
| Mar 12, 2016 | DVCR | $0 | Option Exercise | 5 | $N/A | Discretionary |
| Mar 12, 2016 | DVCR | $0 | Option Exercise | 12 | $N/A | Discretionary |
| Mar 11, 2016 | DVCR | $0 | Award | 2,000 | $N/A | Discretionary |
| Mar 10, 2016 | DVCR | $0 | Option Exercise | 2 | $N/A | Discretionary |
| Dec 8, 2015 | DVCR | $29.4K | Option Exercise | 5,400 | $5.44 | Discretionary |
| Jun 4, 2015 | DVCR | $0 | Award | 5,000 | $N/A | Discretionary |
| Mar 12, 2015 | DVCR | $0 | Option Exercise | 3 | $N/A | Discretionary |
| Mar 12, 2015 | DVCR | $0 | Option Exercise | 15 | $N/A | Discretionary |
| Mar 12, 2015 | DVCR | $0 | Option Exercise | 8 | $N/A | Discretionary |
| Mar 10, 2015 | DVCR | $0 | Award | 333 | $N/A | Discretionary |
| Mar 12, 2014 | DVCR | $0 | Option Exercise | 9 | $N/A | Discretionary |
| Mar 12, 2014 | DVCR | $0 | Option Exercise | 5 | $N/A | Discretionary |
| Mar 12, 2014 | DVCR | $0 | Award | 333 | $N/A | Discretionary |
| Mar 11, 2014 | DVCR | $0 | Option Exercise | 12 | $N/A | Discretionary |
| Mar 12, 2013 | AVCA | $0 | Option Exercise | 4 | $N/A | Discretionary |
| Mar 12, 2013 | AVCA | $0 | Award | 333 | $N/A | Discretionary |
| Mar 11, 2013 | AVCA | $0 | Option Exercise | 5 | $N/A | Discretionary |
| May 31, 2012 | HWAY | $0 | Award | 7,634 | $N/A | Discretionary |
| Mar 12, 2012 | AVCA | $0 | Award | 333 | $N/A | Discretionary |
| Mar 12, 2012 | AVCA | $0 | Option Exercise | 3 | $N/A | Discretionary |
| May 26, 2011 | HWAY | $0 | Award | 3,119 | $N/A | Discretionary |
| Mar 11, 2011 | AVCA | $0 | Award | 250 | $N/A | Discretionary |
| Mar 4, 2011 | AVCA | $4.8K | Option Exercise | 13,600 | $0.35 | Discretionary |