OCONNOR WILLIAM F 4
4 · CLEAN HARBORS INC · Filed Dec 24, 2009
Insider Transaction Report
Form 4
OCONNOR WILLIAM F
SVP Risk Management CHESI
Transactions
- Tax Payment
*Common Stock
2009-12-15$58.30/sh−33$1,924→ 2,202 total
4 · CLEAN HARBORS INC · Filed Dec 24, 2009
*Common Stock