Gerrit van den Dool, Insider at SIGMA ALDRICH CORP (SIAL), sold 9,900 shares at $45.38 ($449K) on 2009-05-18, disclosed to the SEC on 2009-05-18.
Open-market sale of $449k SIAL by Insider. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $45.38 | 100 | $5K | 1.0% |
| 2 | $45.38 | 8,000 | $363K | 80.8% |
| 3 | $45.39 | 100 | $5K | 1.0% |
| 4 | $45.39 | 700 | $32K | 7.1% |
| 5 | $45.40 | 100 | $5K | 1.0% |
| 6 | $45.40 | 900 |
| $41K |
| 9.1% |
| Total | $45.38 avg | 9,900 | $449K | 100% |