---
schema_version: "secwatch.filing_event.v1"
accession: "0001428205-25-000181"
form_type: "8-K"
ticker: "ARR"
cik: "0001428205"
company_name: "Armour Residential REIT, Inc."
filed_at: "2025-08-07T23:59:59+00:00"
generated_at: "2026-05-17T17:20:24.560692+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# ARMOUR closes $302.5M public offering of 18.5M common shares at $16.35/sh

## Summary
- Sold 18,500,000 shares at $16.35/share for ~$302.5M gross proceeds; closed Aug 7, 2025.
- Underwriters have 30-day option to purchase up to 2,775,000 additional shares.
- Net proceeds to acquire additional mortgage-backed securities and mortgage-related assets.
- BUCKLER Securities LLC, an affiliate, served as co-manager alongside Goldman Sachs.
- Offering made under shelf registration; prospectus supplement filed Aug 6, 2025.

## SEC filing metadata
- accession: 0001428205-25-000181
- form_type: 8-K
- ticker: ARR
- cik: 0001428205
- company_name: Armour Residential REIT, Inc.
- filed_at: 2025-08-07T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1428205/000142820525000181/0001428205-25-000181-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1428205/000142820525000181/arr-20250807.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001428205-25-000181
- JSON: https://secwatch.observer/filing/0001428205-25-000181.json
- Plain text: https://secwatch.observer/filing/0001428205-25-000181.txt

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