Michael F. Kanan, VP & Corporate Controller at SIGMA ALDRICH CORP (SIAL), bought 500 shares at $51.75 ($26K) on 2010-01-15, disclosed to the SEC on 2012-03-02.
Open-market purchase of $26k 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).
Something here stands out, but not much.
| Filing → |
| SIAL | SELL | 2015-08-10 | $1.4M | — | Filing → |
| SIAL | SELL | 2014-02-12 | $48K | — | Filing → |
| SIAL | BUY | 2012-08-03 | $15K | — | Filing → |