ACON Insiders Buy as Short Sellers Dig In

Four [ACON](/s/us/acon) insiders purchased shares in the days leading into tomorrow's earnings — a cluster of buying that stands out against one of the most heavily shorted float profiles in the small-cap health tech space.

The buying started May 6, when a director picked up 1,562 shares at $3.30. CEO Brent Ness followed on May 11, adding 6,289 shares at $3.18 for roughly $20,000. A second…