X0609 4 2026-08-21 0 0001428205 Armour Residential REIT, Inc. ARR 0002016863 Losyev Sergey false 3001 OCEAN DRIVE SUITE 201 VERO BEACH FL 32963 0 1 0 0 Co-Chief Investment Officer 0 Common Stock 2026-08-21 4 M 0 4000 0 A 10069.539 D Common Stock 2026-08-21 4 F 0 1118 16.32 D 8951.539 D Phantom Stock 2026-08-21 4 M 0 4000 0 D Common Stock 4000 68500 D On August 21, 2026, the reporting person elected to convert 2,882 of the 4,000 shares of vested phantom stock into 2,882 shares of ARMOUR common stock. The reporting person elected to convert the remaining 1,118 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 4,000 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on Form 4 reports filed by the reporting person on April 30, 2025 and June 18, 2026. 60.539 share are held in reporting person's self-directed rollover IRA account. 7.695 of which were acquired through dividend reinvestment since March 28, 2024. Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock. /s/ Sergey Losyev 2026-08-25