Bank of America CEO Brian Moynihan said on Tuesday Warren Buffett has been a great investor in the company, but he has not asked the legendary investor about recent moves to reduce his stake in the lender.

Bank of America’s Brian Moynihan said he doesn’t exactly know what Warren Buffett is doing by selling BofA stocks, “because, frankly, we can’t ask him.” During the Barclays Global Financial Services Conference on Tuesday,