David M. Hillenbrand, Director at Koppers Holdings Inc. (KOP), sold 6,000 shares at $38.90 ($233K) on 2012-02-21, disclosed to the SEC on 2012-02-23.
Open-market sale of $233k KOP by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| KOP | SELL | 2008-04-09 | $240K | — | Filing → |
| KOP | SELL | 2008-03-20 | $225K | — | Filing → |
| KOP | SELL | 2008-01-02 | $215K | — | Filing → |