Walter Petersohn, Executive Vice President of Sales at SIRONA DENTAL SYSTEMS, INC. (SIRO), bought 1,300 shares at $42.53 ($55K) on 2011-11-28, disclosed to the SEC on 2011-11-28.
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.
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