If Pfizer pulls the offer, then RAP will need new...

If Pfizer pulls the offer, then RAP will need new board/management along with many millions in cash to continue.

Virtually reconstructing the company. Who would give them more loot? The dilution of the share price value would be massive to raise another $7/$10 million so that RAP can continue - but what will they do to change the fortunes of the company? This management has reached the end of the road and they know it

Pfizer is the only interested party due to their involvement with drugs for COVID.

Grab the offer with both hands, those that entered at a low value will make money, and those that entered too high have a chance to cut their losses.