AST SpaceMobile, Inc. filed a Form 8-K on November 6, 2026, disclosing via Regulation FD a press release announcing its plan to build its own 20-ton rocket to deploy BlueBird satellites in low-Earth orbit using Miranda engines sourced from Firefly Aerospace, Inc.

Key Highlights

  • Rocket development plan: AST SpaceMobile disclosed a plan to build its own 20-ton rocket, according to the filing.
  • Engine supplier named: The rocket is planned to use Miranda engines from Firefly Aerospace, Inc.
  • Mission purpose: The rocket is intended to deploy BlueBird satellites in low-Earth orbit.
  • Disclosure channel: The announcement was made through a press release dated November 6, 2026, attached as Exhibit 99.1.
  • Exchange listing: AST SpaceMobile Class A common stock (par value $0.0001 per share) is listed on NASDAQ:ASTS.
  • Signing officer: The filing was signed by Andrew M. Johnson, Chief Financial Officer and Chief Legal Officer.

AST SpaceMobile Discloses Plan to Build 20-Ton Rocket Using Firefly Miranda Engines

On November 6, 2026, AST SpaceMobile, Inc. issued a press release, incorporated into this Regulation FD disclosure, announcing its plan to build its own 20-ton rocket. According to the filing, the rocket is intended to deploy BlueBird satellites in low-Earth orbit and would use Miranda engines obtained from Firefly Aerospace, Inc. The press release, titled "AST SpaceMobile to Build Own 20-Ton Rocket to Deploy BlueBird Satellites in Low Earth Orbit Using Miranda Engines from Firefly Aerospace," is attached as Exhibit 99.1.

The filing was submitted under Item 7.01 (Regulation FD Disclosure). The company noted that the information disclosed under that item and in Exhibit 99.1 "shall not be deemed 'filed' for purposes of Section 18 of the Securities Exchange Act of 1934." The filing also stated that the information shall not be "deemed incorporated by reference in any filing under the Securities Act of 1933 ... or the Exchange Act, except as may be expressly set forth by specific reference in such a filing."

The filing includes a forward-looking statements notice, stating that plans related to building a rocket and purchasing engines from Firefly "represent the Company's current beliefs, estimates and assumptions only as of the date of this Current Report on Form 8-K." The company stated it "assumes no obligation to, and does not currently intend to, update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law." The filing referenced the company's Annual Report on Form 10-K for the fiscal year ended December 31, 2025, and Quarterly Reports on Form 10-Q as sources of further risk information.

What Was Disclosed

AST SpaceMobile filed an 8-K under Regulation FD on November 6, 2026, disclosing a press release announcing the company's plan to build a 20-ton rocket powered by Miranda engines from Firefly Aerospace to deploy BlueBird satellites in low-Earth orbit.