The largest purchase of all time was on 2011-04-11 and amounted to 4000 shares of Federal Signal Corporation for $26,027.
The largest sale of all time was on 2017-11-24 and amounted to 20000 shares of Federal Signal Corporation for $413,380.
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| 2017-11-24 | Sale | Federal Signal Corporation FSS | director | 20,000 0.0333% | $20.67 | $413,380 | +13.05% | |
| 2011-12-05 | Federal Signal Corporation FSS | director | 2,000 0.003% | $3.77 | $7,540 | +36% | ||
| 2011-04-11 | Federal Signal Corporation FSS | director | 4,000 0.0065% | $6.51 | $26,027 | -25.85% | ||
| 2011-03-21 | Sale | AAR Corp. AIR | director | 20,000 0.0388% | $20.33 | $406,688 | -17.32% | |
| 2007-12-14 | Federal Signal Corporation FSS | director | 1,000 0.0021% | $11.40 | $11,400 | +11.71% |