Dive summary:

• Clean Harbors has reported in a U.S. Securities Exchange Commission (SEC) filing that Robert E. Gagnon, its chief financial officer (CFO), has resigned.
• The report stated that Gagnon is not leaving due to any disagreement with the company regarding company operations, policies, practices or financial statements.
• James M. Rutledge, the current chief operating officer, will temporarily fill in as CFO, a position he is familiar with after filling in from 2005 until last August when Gagnon was hired.

From the article:

Stock traders pushed shares of environmental services firm Clean Harbors Inc. lower this afternoon on news that the company's chief financial officer (CFO)is leaving the company.

Shares of the Norwell, Mass.-based company were trading at $52.35, down $2.97, or 5.37 percent, this afternoon after the company reported in a U.S. Securities Exchange Commission (SEC) filing that Robert E. Gagnon resigned his CFO position on Feb. 4. ...