---
schema_version: "secwatch.filing_event.v1"
accession: "0001824502-26-000075"
form_type: "8-K"
ticker: "ACHR"
cik: "0001824502"
company_name: "Archer Aviation Inc."
filed_at: "2026-09-24T12:12:41+00:00"
generated_at: "2026-09-24T13:03:39.803045+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Archer clears HSR waiting period for Boeing acquisition of Wisk, Insitu, SkyGrid; close expected by end of 2026

## Summary
- HSR waiting period expired 11:59 p.m. EDT Sept. 18, 2026; key closing condition satisfied.
- Acquisition includes all equity of Wisk Aero, SkyGrid, Insitu and related entities from Boeing.
- Deal still subject to other regulatory approvals and customary closing conditions; expected to close by end of 2026.
- Transaction forms end-to-end physical AI platform combining eVTOL, UAS, airspace intelligence and Archer's ZEE model.
- Press release issued Sept. 24, 2026; no financial terms disclosed in filing.

## SEC filing metadata
- accession: 0001824502-26-000075
- form_type: 8-K
- ticker: ACHR
- cik: 0001824502
- company_name: Archer Aviation Inc.
- filed_at: 2026-09-24T12:12:41+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1824502/000182450226000075/0001824502-26-000075-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1824502/000182450226000075/achr-20260924.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001824502-26-000075
- JSON: https://secwatch.observer/filing/0001824502-26-000075.json
- Plain text: https://secwatch.observer/filing/0001824502-26-000075.txt

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