Jan Bertsch, EVP, CFO & TREASURER at SIGMA ALDRICH CORP (SIAL), bought 1,204 shares at $83.04 ($100K) on 2013-09-04, disclosed to the SEC on 2013-09-05.
High-signal trade — passes our conviction filters but the AI narrative is still being generated. Check back shortly.
Something here stands out, but not much.
| Filing → |