---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-050513"
form_type: "8-K"
ticker: "ASTS"
cik: "0001780312"
company_name: "AST SpaceMobile, Inc."
filed_at: "2026-11-06T22:00:25+00:00"
generated_at: "2026-11-06T22:02:10.750975+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# AST SpaceMobile to build Blacklift rocket with Firefly engines in deals totaling ~$1.3B

## Summary
- Pays ~$800M upfront for a perpetual license to manufacture Firefly's Miranda and Vira engines: $400M cash plus 10-14M Class A shares set by forward VWAP.
- $250M for engines on the first three Blacklift rockets plus $250M over three years for Firefly engineering services, ~$1.3B in total.
- Blacklift is a reusable 20-ton rocket targeting up to five BlueBird satellites per launch starting late 2028; a new U.S. engine plant is planned.
- Miranda is a 230,000 lbf thrust engine with 175+ hot-fire tests and 4,200 seconds of runtime; Firefly (FLY) CEO Jason Kim calls it a 'bold transformational deal.'
- External launch agreements now cover over 100 BlueBirds cumulatively in 2027-2028; BlueBird arrays are in production through unit 51 in Midland, Texas.

## SEC filing metadata
- accession: 0001493152-26-050513
- form_type: 8-K
- ticker: ASTS
- cik: 0001780312
- company_name: AST SpaceMobile, Inc.
- filed_at: 2026-11-06T22:00:25+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1780312/000149315226050513/0001493152-26-050513-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1780312/000149315226050513/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-050513
- JSON: https://secwatch.observer/filing/0001493152-26-050513.json
- Plain text: https://secwatch.observer/filing/0001493152-26-050513.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.