Frank Wicks, EVP, President Research at SIGMA ALDRICH CORP (SIAL), sold 4,000 shares at $70.25 ($281K) on 2012-10-31, disclosed to the SEC on 2012-11-01.
Open-market sale of $281k SIAL by EVP, President Research. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| Filing → |
| SIAL | SELL | 2013-05-30 | $128K | — | Filing → |
| SIAL | SELL | 2013-05-03 | $1.6M | — | Filing → |
| SIAL | SELL | 2012-02-16 | $1.4M | — | Filing → |