I think so. Imagining things, that is. :-)
There can't be a decrease in the DTC count without a corresponding decrease in the O/S if there was a buyback.
Given that I've never seen the DTC count the same as the unrestricted count, I doubt there was a 22M decrease in it.
Outstanding Shares 317,239,161
Restricted 22,674,917
Unrestricted 294,564,244
Held at DTC 273,157,346