Michael F. Kanan, VP & Corporate Controller at SIGMA ALDRICH CORP (SIAL), bought 325 shares at $62.44 ($20K) on 2011-08-29, disclosed to the SEC on 2011-08-30.
Open-market purchase of $20k SIAL by VP & Corporate 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 → |