IMAGE DISTRIBUTED FOR MORNINGSTAR FARMS - Daniel Holzman, Chef and Owner of The Meatball Shop, serves up his own delicious MorningStar Farms Chipotle Black Bean Crumbles Meatballs at the premiere event of MorningStar Farms new docu-series: "The Veg Effect: When Less Meats More", at The Crosby Street Hotel on Tuesday, May 17, 2016, in New York. (Amy Sussman/AP Images for MorningStar Farms)

This Monday, Feb. 8, 2016, photo, shows a Chipotle restaurant in Delray Beach, Fla. Chipotle Mexican Grill Inc. reports financial results on Tuesday, April 26, 2016. (AP Photo/Lynne Sladky)

Workers prepare food at a Chipotle store Thursday, March 10, 2016, in Billerica, Mass., in advance of reopening later in the day. The store was closed Wednesday amid concerns some employees had contracted the norovirus. None of the sick employees came in to work, but the store was closed and cleaned as a precautionary measure. (AP Photo/Rodrique Ngowi)

This Monday, Feb. 8, 2016, photo shows the sign over a Chipotle Mexican Grill in Brandon, Fla. The Chipotle marketing executive leading the chain's efforts to rebound after an E. coli outbreak was arrested Tuesday, July 5, 2016, on multiple counts of cocaine possession. (AP Photo/Chris O'Meara)

This Monday, Feb. 8, 2016, photo shows a sign on the window at a Chipotle Mexican Grill in Brandon, Fla. Chipotle said Wednesday, March 9, 2016, one of its stores in Massachusetts is closed after four employees said they were feeling ill. The closure comes as Chipotle fights to win back customers following a series of food scares that sickened customers around the country. Chipotle Mexican Grill Inc. has said it's instituting a number of food safety procedures to ensure such incidents don't happen again. That includes reminding workers they should stay home if they're not feeling well. (AP Photo/Chris O'Meara)

Chipotle employee Kevin Ortiz, center, arrives at a New York movie theater to listen to a video conference for the fast food chain, Monday, Feb. 8, 2016, in New York. Chipotle restaurants across the U.S. opened later than usual Monday as workers gathered in movie theaters and hotel conference rooms across the country to discuss the chain's recent food safety scares. The meetings come after dozens of customers were sickened at Chipotle restaurants, first by an E. coli outbreak in late October, 2015, and then by a norovirus in December. (AP Photo/Mark Lennihan)

Steve Ells, founder, co-CEO, and chairman of Chipotle Mexican Grill, appears via video conference at a New York movie theater as he speaks from Denver to employees nationwide, Monday, Feb. 8, 2016. Chipotle restaurants across the U.S. opened later than usual Monday as workers gathered in movie theaters and hotel conference rooms across the country to discuss the chain's recent food safety scares. The meetings come after dozens of customers were sickened at Chipotle restaurants, first by an E. coli outbreak in late October, 2015, and then by a norovirus in December. (AP Photo/Mark Lennihan)

Chipotle co-CEO Monty Moran appears via video conference at a New York movie theatre as he speaks from Denver to employees nationwide, Monday, Feb. 8, 2016. Chipotle restaurants across the U.S. opened later than usual Monday as workers gathered in movie theaters and hotel conference rooms across the country to discuss the chain's recent food safety scares. The meetings come after dozens of customers were sickened at Chipotle restaurants, first by an E. coli outbreak in late October, 2015, and then by a norovirus in December. (AP Photo/Mark Lennihan)

A customer looks inside of a closed Chipotle restaurant at lunchtime, Monday, Feb. 8, 2016, in Hialeah, Fla. Chipotle restaurants across the U.S. opened later than usual Monday as workers gathered in movie theaters and hotel conference rooms across the country to discuss the chain's recent food safety scares. (AP Photo/Alan Diaz)

A customer stands outside as he looks into a closed Chipotle restaurant on his lunch break, Monday, Feb. 8, 2016, Miami Lakes, Fla. Chipotle restaurants across the U.S. opened later than usual Monday as workers gathered in movie theaters and hotel conference rooms across the country to discuss the chain's recent food safety scares. (AP Photo/Alan Diaz)

A customer reads a sign on the door at a Chipotle Mexican Grill, Monday, Feb. 8, 2016, in Brandon, Fla. Chipotle restaurants across the U.S. are opening later than usual as workers gather in movie theaters and conference rooms across the country to discuss the chain's recent food scares. (AP Photo/Chris O'Meara)

Vladimir Faingold reads a sign on the door of a Chipotle restaurant in Pittsburgh's Market Square, informing patrons that the restaurant will be closed for lunch and opening late due to an employee meeting on food safety, Monday, Feb. 8, 2016. (AP Photo/Keith Srakocic)

This Monday, Feb. 8, 2016, photo shows a sign for the Chipotle restaurant in Pittsburgh's Market Square. Chipotle is introducing a temporary loyalty program intended to get customers back into its stores following a series of food scares. On Monday, June 27, Chipotle said its "Chiptopia" loyalty program will reward people based on the number of times they visit each month, starting in July and running through September. The program has three reward levels, with more visits translating to more free entrees and other benefits. (AP Photo/Keith Srakocic)

This Monday, Feb. 8, 2016, photo, shows the sign of a Chipotle restaurant in Hialeah, Fla. Chipotle is using free burrito offers to combat the “eerie” look of empty stores and convince people it’s safe to return. The offers come as Chipotle fights to recover from a series of food scares, with sales down 26 percent in February. (AP Photo/Alan Diaz)

The corporate logo seen on a shop window of a closed restaurant of the fast food chain Chipotle Mexican Grill on the Upper Eastside in New York, USA, 08 February 2016. The company had closed every branch for a few hours due to a company meeting. Photo by: Christian Fahrenbach/picture-alliance/dpa/AP Images

A man walks past a closed restaurant of the fast food chain Chipotle Mexican Grill on the Upper Eastside in New York, USA, 08 February 2016. The company had closed every branch for a few hours due to a company meeting. Photo by: Christian Fahrenbach/picture-alliance/dpa/AP Images

A note that reads 'BRB' (Be right back) seen on a shop window of a closed restaurant of the fast food chain Chipotle Mexican Grill on the Upper Eastside in New York, USA, 08 February 2016. The company had closed every branch for a few hours due to a company meeting. Photo by: Christian Fahrenbach/picture-alliance/dpa/AP Images

The marquis signs for the Chipotle restaurant in Pittsburgh's Market Square are seen on the glass doors, Monday, Feb. 8, 2016. A sign on the door indicated they will be closed for lunch and opening late due to an employee meeting,(AP Photo/Keith Srakocic)