Really? Show me where.

It claims that he bragged about doing so

The sentence after where it says that… You have ctrl f. Use it.

that other article doesn’t support that claim with any evidence that he pressured them to keep their patent, that he bragged about it, or had any say in the final decision.

Not sure what “evidence” you want… Bill Gates said it was true himself and did multiple interviews talking about it which are not hard to find. Every article I can find online says the same story - that Oxford initially planned to open license the vaccine and then Gates pressured them to change course.