Securities and security exemptions
If I receive a SAFE, is my investment an equity interest?
SAFEs are not common stock. Common stock represents an ownership stake in a company and entitles you to certain rights under state corporate law and federal securities law. A SAFE, on the other hand, is an agreement to provide you a future equity stake based on the amount you invested if—and only if—a triggering event occurs. SAFEs do not represent a current equity stake in the company in which you are investing. Instead, the terms of the SAFE have to be met in order for you to receive your equity stake.
Read more at: investor.gov