That cusip number is the “K’s” and the k cusip does not have the option, however the “U’s” and the “P’s” cusips have the pop up with the buy/sell choices.
AZ Has stayet that the different items in the different classes could be handled differently from the others. Maybe that’s why the k cusip does. Not have the buy/sell option.
I checked some other escrow tracking cusips from other past stocks and they did not have the option like the U and P cusips do.