Michael F. Kanan, Vice President & Controller at SIGMA ALDRICH CORP (SIAL), bought 100 shares at $53.90 ($5K) on 2010-08-11, disclosed to the SEC on 2010-08-13.
Open-market purchase of $5k SIAL by Vice President & Controller. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Clearly above the average filing.
| Filing → |
| SIAL | SELL | 2015-08-10 | $1.4M | — | Filing → |
| SIAL | SELL | 2014-02-12 | $48K | — | Filing → |
| SIAL | BUY | 2012-08-03 | $15K | — | Filing → |