---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-24-025017"
form_type: "8-K"
ticker: "ASTS"
cik: "0001780312"
company_name: "AST SpaceMobile, Inc."
filed_at: "2024-06-25T23:59:59+00:00"
generated_at: "2026-06-01T02:14:24.187083+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# AST SpaceMobile appoints AT&T Head of Network Chris Sambar to board, replacing Alexander Coleman

## Summary
- Alexander Coleman resigned from the board effective June 19, 2024; no disagreement cited.
- Chris Sambar, AT&T Head of Network, appointed to board effective June 20, 2024; will stand for election at 2024 annual meeting.
- Sambar will also serve on the Network Planning and Spectrum Committee of the board.
- Appointment fulfills AT&T's right to nominate a director under the stockholders' agreement.
- Sambar declined any cash or equity compensation for his board service.

## SEC filing metadata
- accession: 0001493152-24-025017
- form_type: 8-K
- ticker: ASTS
- cik: 0001780312
- company_name: AST SpaceMobile, Inc.
- filed_at: 2024-06-25T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1780312/000149315224025017/0001493152-24-025017-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1780312/000149315224025017/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-24-025017
- JSON: https://secwatch.observer/filing/0001493152-24-025017.json
- Plain text: https://secwatch.observer/filing/0001493152-24-025017.txt

## Key facts
- Executive change
  Alexander Coleman resigned as Director at AST SpaceMobile, Inc..
  - Action: resigned
  - Role: Director
  source text: On June 19, 2024, Alexander Coleman notified the Board of Directors (the “Board”) of AST SpaceMobile, Inc. (the “Company”) of his decision to resign from the Board, effective on the same date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1780312/000149315224025017/0001493152-24-025017-index.htm
- Executive change
  Christopher Sambar was appointed as Director at AST SpaceMobile, Inc..
  - Action: appointed
  - Role: Director
  source text: On June 19, 2024, the Board, upon the recommendation of the Nominating and Corporate Governance Committee of the Board, appointed Christopher Sambar as a director, effective June 20, 2024, to fill the vacancy on the Board created by Mr. Coleman’s resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1780312/000149315224025017/0001493152-24-025017-index.htm

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