Seems several years down the road BA have been told by someone in IAG that the shares are not going to be made available...in other words BA management made a promise they couldn't keep. Cash may now be offered by way of compensation but details/amounts are yet to be confirmed:
I certainly wouldn't be accepting any sort of compensation without a fight. By definition, this "profit sharing" scheme only applies when the airline is in a good financial position. Maybe if this agreement is dropped pilots can have a pay rise to make up for their side of the bargain?