X0609 4 2026-05-21 0 0001428205 Armour Residential REIT, Inc. ARR 0001026915 BELL MARC H false 6800 BROKEN SOUND PARKWAY SUITE 200 BOCA RATON FL 33487 1 0 0 0 0 Common Stock, par value $0.001 per share 2026-05-21 4 M 0 1900 0 A 28301 D Common Stock, par value $0.001 per share 2026-05-21 4 M 0 480 0 A 28781 D Phantom Stock 2026-05-21 4 M 0 1900 0 D Common Stock 1900 32724 D Phantom Stock 2026-05-21 4 M 0 480 0 D Common Stock 480 32244 D On May 21, 2026, , the reporting person elected to convert 1,900 shares of vested phantom stock into 1,900shares of ARMOUR common stock. The 1,900 shares are part of, and relate to, phantom stock vesting over five-year periods, which was reported on Form 4 reports filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026. On May 21, 2026, the reporting person elected to convert 480 of the 480 shares of vested phantom stock into 480 shares of ARMOUR common stock. The 480 shares are part of, and relate to, phantom stock vesting over a six-and-half year periods, which was reported on Form 4 reports filed by the reporting person on January 14, 2021. Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock. /s/ Marc H. Bell 2026-05-26