"The dialogue we have had with Pershing has talked about driving long-term shareholder value. Talks about recovering the business model and from what they have said so far, they believe that Chipotle is a special brand we are going through a tough time right now," Hartung told the "Mad Money" host.
Ackman took a nearly 10 percent stake in the company two months ago, but did not disclose his strategy. Chipotle also recently hired a law firm, investment banks and public relations company to help engage with the billionaire.
"They want just like everyone else to see us recover our sales, recover our business. And if we do that we are going to get back to our stock price, and then add shareholder value from there."