Hacker News Reader

"Autodesk, Inc. (NASDAQ: ADSK) has signed a definitive agreement to acquire PlanGrid, a leading provider of construction productivity software, for $875 million net of cash." https://adsknews.autodesk.com/pressrelease/autodesk-to-acqui...

With a per-share price ranging from $0 to $250.

What does it mean that some of their shares are valued at $0? Is this typical? I'm not too familiar with the details of acquisition accounting