Need your help with numbers in 1099-B form

I'm really struggling to understand numbers in my 2025 1099-B form. Let me first provide data:

Supplemental
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1099-B
Screenshot 2026-02-09 at 2.33.16 PM.png

My main question: what is the total income (from selling) I will be reporting to IRS and be taxed?

07/02/2025 is when everything was sold automatically due to my company being acquisitioned. As a result, the amount of money I got was around $20600. Where $26K/$27K comes from? Never had or received any interest or dividend. Never sold or invested myself. For example, sell date 01/21/2025 - definitely it's not me:

 

Screenshot 2026-02-09 at 2.47.33 PM.png 

So I would really like to understand math as well as avoid incorrect taxes....