---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-004602"
form_type: "8-K"
ticker: "ASTS"
cik: "0001780312"
company_name: "AST SpaceMobile, Inc."
filed_at: "2025-02-03T23:59:59+00:00"
generated_at: "2026-05-27T04:03:23.908276+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Christopher Sambar resigns from ASTS board; Keith Larson (AT&T) and Andrew Johnson (CFO/CLO) appointed

## Summary
- Christopher Sambar resigned as AT&T designee to the board on Jan 29, 2025; no disagreement with company.
- Keith Larson appointed as AT&T designee effective Jan 30, 2025; he declined cash and equity compensation.
- Andrew Johnson, current CFO and CLO, appointed to board effective Jan 30, 2025, filling an existing vacancy.
- Larson is a former Intel vice president and Intel Capital senior managing director; Johnson designated by Abel Avellan.

## SEC filing metadata
- accession: 0001493152-25-004602
- form_type: 8-K
- ticker: ASTS
- cik: 0001780312
- company_name: AST SpaceMobile, Inc.
- filed_at: 2025-02-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1780312/000149315225004602/0001493152-25-004602-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1780312/000149315225004602/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-004602
- JSON: https://secwatch.observer/filing/0001493152-25-004602.json
- Plain text: https://secwatch.observer/filing/0001493152-25-004602.txt

## Key facts
- Executive change
  Andrew Johnson was appointed as Director at AST SpaceMobile, Inc..
  - Action: appointed
  - Role: Director
  source text: On January 29, 2025, the Board appointed Andrew Johnson as a director, effective on January 30, 2025, to fill an existing vacancy on the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1780312/000149315225004602/0001493152-25-004602-index.htm
- Executive change
  Christopher Sambar resigned as Director at AST SpaceMobile, Inc..
  - Action: resigned
  - Role: Director
  source text: On January 29, 2025, Christopher Sambar notified the Board of Directors (the “Board”) of AST SpaceMobile, Inc. (the “Company”) of his decision to resign as the designee of AT&T Venture Investments, LLC (“AT&T”) from the Board, effective on the same date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1780312/000149315225004602/0001493152-25-004602-index.htm
- Executive change
  Keith Larson was appointed as Director at AST SpaceMobile, Inc..
  - Action: appointed
  - Role: Director
  source text: On January 29, 2025, upon the nomination of AT&T, the Board appointed Keith Larson as a director, effective on January 30, 2025, to fill the vacancy on the Board as designee of AT&T created by Mr. Sambar’s resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1780312/000149315225004602/0001493152-25-004602-index.htm

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