Selling my US stocks from foreign broker 2 days before passing Substantial Presence Test. Are my capital gains going to be taxed when I file my taxes for 2026?

I've been getting confusing result from my research about this.

Today is May 8, 2026. I arrived in the USA as tourist last August 27, 2025. Supposed to be a short vacation, career break. But decided to get married last November and stayed in the US for adjustment of status. Filed for AOS last March 19, 2026.

I have not received my green card yet. According to IRS' Substantial Presence Test, I am still a non resident alien until May 13, 2026. I'm planning to sell all my US stocks in my Singapore broker on May 11, 2026, 2 days before I pass the Substantial Presence Test.

My question is, once I become a resident alien and file for my taxes later on, do I need to file for the capital gains I will realize on May 11?