X0609 4 2026-05-21 0 0001428205 Armour Residential REIT, Inc. ARR 0001207637 PAPERIN STEWART J false 3001 OCEAN DRIVE SUITE #201 VERO BEACH FL 32963 1 0 0 0 0 Common Stock, par value $0.001 per share 2026-05-21 4 M 0 1900 0 A 11250 I See Footnote Common Stock, par value $0.001 per share 208 D Phantom Stock 2026-05-21 4 M 0 1900 0 D Common Stock 1900 30254 D On May 21, 2026, the reporting person elected to convert 1,900 shares of vested phantom stock into 1,900 shares of ARMOUR common stock. The 1,900 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026. Represents shares owned indirectly through the Stewart J. Paperin Family Trust. Mr. Paperin has a pecuniary interest in and investment control over the shares held by the Trust. Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock. /s/ Stewart J. Paperin 2026-05-26