Not anymore. In May 2024 OpenAI confirmed that it will not enforce those provisions:

* The company will not cancel any vested equity, regardless of whether employees sign separation agreements or non-disparagement agreements

* Former employees have been released from their non-disparagement obligations

* OpenAI sent messages to both former and current employees confirming that it "has not canceled, and will not cancel, any vested units"

https://www.theregister.com/2024/05/24/openai_contract_staff...

https://www.bloomberg.com/news/articles/2024-05-24/openai-re...