William J. Brodsky, Chairman and CEO at CBOE Holdings, Inc. (CBOE), bought 300 shares at $29.00 ($9K) on 2010-06-18, disclosed to the SEC on 2010-06-18.
Open-market purchase of $9k CBOE by Chairman and CEO. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
| Filing → |
| CBOE | SELL | 2016-04-20 | $319K | — | Filing → |
| CBOE | SELL | 2015-12-04 | $302K | — | Filing → |
| WEC | BUY | 2015-09-03 | $465K | — | Filing → |