CLEAN HARBORS INC 4
4 · CLEAN HARBORS INC · Filed May 23, 2005
Insider Transaction Report
Form 4
COOKSON EUGENE A JR
EVP (CHESI)*
Transactions
- Sale
Exercise of employee stock option
2005-05-09$20.00/sh−20,000$400,000→ 0 total - Exercise/Conversion
Exercise of employee stock option
2005-05-19$3.26/sh−20,000$65,200→ 40,000 totalExercise: $3.26From: 2004-12-13Exp: 2011-12-13→ Common Stock (100,000 underlying) - Exercise/Conversion
Exercise of employee stock option
2005-05-09$3.26/sh+20,000$65,200→ 20,000 total