Several platforms now facilitate these trades, though requirements vary significantly by your "accredited investor" status.
One of the largest marketplaces for late-stage "unicorn" companies. It typically requires a $100,000 minimum for direct trades, though some fund offerings start at $5,000. how to buy stock before ipo
The "how" depends on your financial status and how early you want to get in. Hiive: The Marketplace for Buying & Selling Pre-IPO Stock Several platforms now facilitate these trades