Archer Aviation Inc. 8-K

What Happened
Archer Aviation Inc. announced on January 22, 2026 that it filed a prospectus supplement under Rule 424(b) with the SEC to cover the resale of 341,984 shares of Class A common stock. Those shares were issued to selling stockholders under stock purchase agreements dated January 17, 2026, in connection with Archer’s contemporaneous acquisition of a business owned by those selling stockholders. The prospectus supplement is part of Archer’s Registration Statement on Form S-3 (No. 333-284812), originally filed February 11, 2025. The company also filed a legal opinion from Fenwick & West LLP (Exhibit 5.1) regarding the validity of the shares.

Key Details

• Prospectus supplement filed with the SEC on January 22, 2026 (Rule 424(b)).
• 341,984 shares of Class A common stock covered for resale.
• Shares were issued pursuant to stock purchase agreements dated January 17, 2026 in connection with an acquisition.
• Fenwick & West LLP legal opinion on the validity of the shares is included as Exhibit 5.1.

Why It Matters
The prospectus supplement registers the resale of the issued shares, enabling the selling stockholders to offer those 341,984 Class A shares to the public. For investors, this can increase the number of shares potentially available for trading and may affect liquidity and supply dynamics. The included legal opinion supports the enforceability/validity of the issued shares, reducing legal uncertainty about those securities.