Chipotle's chief marketing officer, who was once arrested on cocaine charges, has suddenly resigned

• Chipotle's chief marketing officer, Mark Crumpacker, resigned from his position on Tuesday.
• "Crumpacker is being terminated without cause," the company said in a regulatory filing.
• Crumpacker was set to receive a $600,000 retention bonus if he stayed at the company until January 5, 2019.

Chipotle's chief marketing officer, Mark Crumpacker, resigned from his position on Tuesday, the company said in a regulatory filing.

His resignation will take effect on Thursday. The company did not give a reason for the departure.

Crumpacker had previously taken a three-month leave of absence in 2016 after being arrested on charges of cocaine possession.

Crumpacker was set to receive a $600,000 retention bonus if he stayed at the company until January 5, 2019.

"Such retention bonus would vest if Crumpacker was terminated without cause," the company said in the filing. "Crumpacker is being terminated without cause."

Here's what Chipotle said in the filing about Crumpacker's resignation:

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