I answered a bounty question. My answer has 4 up-votes and the rest have 0 votes. The bounty expired earlier today. I don't see the points from the bounty anywhere. What's going on?
Was your answer posted before or after the bounty was added? It must be after (I think edits count, but don't quote me).
Also, there is sometimes a delay of a few hours in awarding the bounty.
In some very rare cases the bounty has been redacted by mods - usually to migrate the question between sites.
See the blog (re what happens if [the OP] doesn't accept an answer):
Any answer that was a) provided after the bounty period started and b) has 2 or more upvotes is automatically accepted after 7 days.
Edit; now you've posted the question number, I can see that you posted after the bounty...
Bounty creation of 300 rep on question id = 1643636 Nov 3 at 15:02
answered Nov 6 at 17:46 Gonzalo
So I expect it is just the delay. Give it an hour or so...