---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-018802"
form_type: "8-K"
ticker: "ASTS"
cik: "0001780312"
company_name: "AST SpaceMobile, Inc."
filed_at: "2025-10-21T23:59:59+00:00"
generated_at: "2026-05-17T03:03:33.943509+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# ASTS proposes $850M convertible notes due 2036; concurrent $50M note buyback via equity offering

## Summary
- Proposed private offering of $850M convertible senior notes due 2036, with $150M greenshoe option.
- Concurrent registered direct offering of Class A common stock to fund repurchase of up to $50M of existing 4.25% convertible notes.
- As of Sept 30, 2025, cash and equivalents ~$1.22B, total debt ~$724.4M.
- October 2025 ATM program raised ~$277.4M from 3.2M shares sold; ATM sales paused during offering.
- Net proceeds will fund satellite constellation deployment and general corporate purposes.

## SEC filing metadata
- accession: 0001493152-25-018802
- form_type: 8-K
- ticker: ASTS
- cik: 0001780312
- company_name: AST SpaceMobile, Inc.
- filed_at: 2025-10-21T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1780312/000149315225018802/0001493152-25-018802-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1780312/000149315225018802/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-018802
- JSON: https://secwatch.observer/filing/0001493152-25-018802.json
- Plain text: https://secwatch.observer/filing/0001493152-25-018802.txt

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