Archer Aviation Inc. filed a Form 8-K on September 4, 2026, reminding warrant holders that its outstanding public warrants will expire on September 16, 2026, and disclosing that trading of those warrants was halted by the New York Stock Exchange on September 1, 2026.

Key Highlights

  • Expiration date set: The warrants will expire on September 16, 2026, at 5:00 p.m., New York City time, according to the filing.
  • Exercise price: Each warrant is exercisable for one share of Class A common stock at $11.50 per share.
  • Trading halted: The NYSE halted trading of the warrants under the symbol "ACHR WS" on September 1, 2026, pursuant to Section 802.01D of the NYSE Listed Company Manual.
  • Suspension before expiration: The filing states trading will remain halted until it is suspended before the open of trading on September 15, 2026.
  • Unexercised warrants voided: Any warrants that remain unexercised as of the expiration date "will expire and become void," and holders "will have no further rights with respect to such Warrants," according to the filing.
  • Common stock unaffected: The company's Class A common stock continues to trade on the NYSE under the symbol "ACHR," the filing noted.

Archer Aviation Issues Warrant Expiration Reminder as NYSE Halts Trading

Archer Aviation Inc. (NYSE:ACHR) disclosed in its Form 8-K, filed September 4, 2026, that its outstanding public warrants are set to expire on September 16, 2026, at 5:00 p.m., New York City time. The company described the filing as a reminder to warrant holders, referencing a prior disclosure in its Form 10-Q for the second quarter ended June 30, 2026. The warrants, each exercisable for one share of Class A common stock at $11.50 per share, were originally issued under a Warrant Agreement dated October 27, 2020, by and between the company (as successor to Atlas Crest Investment Corp.) and Continental Stock Transfer and Trust Company, as warrant agent.

According to the filing, the New York Stock Exchange halted trading of the warrants under the symbol "ACHR WS" on September 1, 2026, citing Section 802.01D of the NYSE Listed Company Manual. The halt is reported to remain in place until trading is suspended before the open of trading on September 15, 2026. The filing incorporated the warrant-related disclosures into Item 3.01, which addresses notices of delisting or failure to satisfy continued listing standards.

The company stated that any warrants left unexercised as of the expiration date will expire and become void, leaving holders with no further rights. The filing was signed by Eric Lentell, Chief Strategy Officer, on behalf of Archer Aviation Inc.

What Was Disclosed

Archer Aviation disclosed that its public warrants expire September 16, 2026, that NYSE halted their trading on September 1, 2026, and that unexercised warrants will become void with no remaining holder rights after the expiration date.