PAPERIN STEWART J

SEC source: 0001207637-26-000017 · wk-form4_1790972580.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 15,288

F1 · acquired: On October 1, 2026, the reporting person received 1,193 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 1,193 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001207637-26-000015 · wk-form4_1787689272.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,354

Underlying: Common Stock · 1,900 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On August 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 Form 4 reports filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026.

F1 · derivative.expiration_date: On August 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 Form 4 reports filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026.

SEC source: 0001207637-26-000015 · wk-form4_1787689272.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 14,095

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On August 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 Form 4 reports filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026.

F2 · ownership.nature: 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.

SEC source: 0001207637-26-000012 · wk-form4_1783023161.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 12,195

F1 · acquired: On July 1, 2026, the reporting person received 945 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 945 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001207637-26-000010 · wk-form4_1779827666.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,254

Underlying: Common Stock · 1,900 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0001207637-26-000010 · wk-form4_1779827666.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 11,250

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F2 · ownership.nature: 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.

SEC source: 0001207637-26-000008 · wk-form4_1779393877.xml · derivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,154

Underlying: Common Stock · 17,140 shares

Expires not disclosed

F1 · security: The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20 and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F2 · security: The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

F3 · security: The reporting person also has the right to elect to have withholding taxes or a portion thereof, as the case may be, satisfied by reducing the number of shares of common stock to be issued to the reporting person by some or all of such shares. With respect to each phantom share, the reporting person will receive a cash payment in an amount equal to the cash dividend distributions paid in the ordinary course on a share of ARMOUR common stock. The reporting person also has the right to elect in lieu of the cash dividend payment a number of shares of common stock equal to the dividend payment payable divided by the fair market value of a share of ARMOUR common stock on the date of the dividend payment.

F4 · security: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_price: The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20 and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F4 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · price: The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20 and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F4 · price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20 and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F2 · derivative.exercise_date: The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

F1 · derivative.expiration_date: The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20 and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F2 · derivative.expiration_date: The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

F1 · balance_after: The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20 and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

SEC source: 0001207637-26-000006 · wk-form4_1775242497.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 9,350

F1 · acquired: On April 1, 2026, the reporting person received 989 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 989 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001207637-26-000004 · wk-form4_1772139973.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,014

Underlying: Common Stock · 1,043 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On February 24, 2026, the reporting person elected to convert 1,043 shares of vested phantom stock into 1,043 shares of ARMOUR common stock. The 1,043 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 and December 18, 2025.

F1 · derivative.expiration_date: On February 24, 2026, the reporting person elected to convert 1,043 shares of vested phantom stock into 1,043 shares of ARMOUR common stock. The 1,043 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 and December 18, 2025.

SEC source: 0001207637-26-000004 · wk-form4_1772139973.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 8,361

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · acquired: On February 24, 2026, the reporting person elected to convert 1,043 shares of vested phantom stock into 1,043 shares of ARMOUR common stock. The 1,043 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 and December 18, 2025.

F2 · ownership.nature: 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.

SEC source: 0001207637-26-000002 · wk-form4_1767733891.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 7,318

F1 · kind: OnJanuary 2, 2026, the reporting person received 932 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 932 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001207637-25-000007 · wk-form4_1766092099.xml · derivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,057

Underlying: Common Stock · 12,857 shares

Expires not disclosed

F1 · security: The reporting person was granted an aggregate of 12,857 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Third Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 643 phantom shares shall vest beginning on February 20, 2026 with an additional 643 (or 642, due to rounding) phantom shares vesting on each following May 20, August 20, November 20, and February 20, through November 20, 2030, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F2 · security: The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

F3 · security: The reporting person also has the right to elect to have withholding taxes or a portion thereof, as the case may be, satisfied by reducing the number of shares of common stock to be issued to the reporting person by some or all of such shares. With respect to each phantom share, the reporting person will receive a cash payment in an amount equal to the cash dividend distributions paid in the ordinary course on a share of ARMOUR common stock. The reporting person also has the right to elect in lieu of the cash dividend payment a number of shares of common stock equal to the dividend payment payable divided by the fair market value of a share of ARMOUR common stock on the date of the dividend payment.

F4 · security: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_price: The reporting person was granted an aggregate of 12,857 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Third Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 643 phantom shares shall vest beginning on February 20, 2026 with an additional 643 (or 642, due to rounding) phantom shares vesting on each following May 20, August 20, November 20, and February 20, through November 20, 2030, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F4 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · price: The reporting person was granted an aggregate of 12,857 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Third Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 643 phantom shares shall vest beginning on February 20, 2026 with an additional 643 (or 642, due to rounding) phantom shares vesting on each following May 20, August 20, November 20, and February 20, through November 20, 2030, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F4 · price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: The reporting person was granted an aggregate of 12,857 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Third Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 643 phantom shares shall vest beginning on February 20, 2026 with an additional 643 (or 642, due to rounding) phantom shares vesting on each following May 20, August 20, November 20, and February 20, through November 20, 2030, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F2 · derivative.exercise_date: The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

F1 · derivative.expiration_date: The reporting person was granted an aggregate of 12,857 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Third Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 643 phantom shares shall vest beginning on February 20, 2026 with an additional 643 (or 642, due to rounding) phantom shares vesting on each following May 20, August 20, November 20, and February 20, through November 20, 2030, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F2 · derivative.expiration_date: The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

F1 · balance_after: The reporting person was granted an aggregate of 12,857 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Third Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 643 phantom shares shall vest beginning on February 20, 2026 with an additional 643 (or 642, due to rounding) phantom shares vesting on each following May 20, August 20, November 20, and February 20, through November 20, 2030, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

SEC source: 0001207637-25-000006 · wk-form4_1764110507.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,200

Underlying: Common Stock · 540 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On November 21, 2025, the reporting person elected to convert 540 shares of vested phantom stock into 540 shares of ARMOUR common stock. The 540 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 January 14, 2021 and February 14, 2023.

F1 · derivative.expiration_date: On November 21, 2025, the reporting person elected to convert 540 shares of vested phantom stock into 540 shares of ARMOUR common stock. The 540 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 January 14, 2021 and February 14, 2023.

SEC source: 0001207637-25-000006 · wk-form4_1764110507.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 6,386

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On November 21, 2025, the reporting person elected to convert 540 shares of vested phantom stock into 540 shares of ARMOUR common stock. The 540 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 January 14, 2021 and February 14, 2023.

F2 · ownership.nature: 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.

SEC source: 0001207637-25-000005 · wk-form4_1759436913.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 5,846

F1 · kind: On October 1, 2025, the reporting person received 1,104 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 1,104 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001428205-25-000210 · wk-form4_1756127938.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,740

Underlying: Common Stock · 520 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On August 21, 2025, the reporting person elected to convert 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F1 · derivative.expiration_date: On August 21, 2025, the reporting person elected to convert 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

SEC source: 0001428205-25-000210 · wk-form4_1756127938.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 4,742

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On August 21, 2025, the reporting person elected to convert 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F2 · ownership.nature: 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.

SEC source: 0001428205-25-000143 · wk-form4_1751400559.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 4,222

F1 · kind: On July 1, 2025, the reporting person received 981 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 981 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001428205-25-000126 · wk-form4_1747944696.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,260

Underlying: Common Stock · 520 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On May 21, 2025, the reporting person elected to convert 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F1 · derivative.expiration_date: On May 21, 2025, the reporting person elected to convert 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

SEC source: 0001428205-25-000126 · wk-form4_1747944696.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 3,241

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On May 21, 2025, the reporting person elected to convert 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F2 · ownership.nature: 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.

SEC source: 0001428205-25-000075 · wk-form4_1743625523.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,721

F1 · kind: On April 1, 2025, the reporting person received 964 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 964 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001428205-25-000053 · wk-form4_1740521003.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,780

Underlying: Common Stock · 520 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On February 21, 2025, the reporting person elected to convert 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F1 · derivative.expiration_date: On February 21, 2025, the reporting person elected to convert 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

SEC source: 0001428205-25-000053 · wk-form4_1740521003.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,757

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On February 21, 2025, the reporting person elected to convert 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F2 · ownership.nature: 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.

SEC source: 0001428205-25-000006 · wk-form4_1735939302.xml · nonDerivative · entry 2

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,237

F3 · kind: On January 2, 2025, the reporting person received 874 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 874 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001428205-25-000006 · wk-form4_1735939302.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 363

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $18.78 to $18.795, inclusive. The reporting person undertakes to provide ARMOUR Residential REIT, Inc. any security holder of ARMOUR Residential REIT, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

F2 · ownership.nature: 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.

SEC source: 0001428205-24-000254 · wk-form4_1732315214.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,300

Underlying: Common Stock · 540 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On November 20, 2024, the reporting person elected to convert 520 out of the 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F1 · derivative.expiration_date: On November 20, 2024, the reporting person elected to convert 520 out of the 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

SEC source: 0001428205-24-000254 · wk-form4_1732315214.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 25,215

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On November 20, 2024, the reporting person elected to convert 520 out of the 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F2 · ownership.nature: 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.

SEC source: 0001428205-24-000218 · wk-form4_1727813564.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 24,675

F1 · kind: On October 1, 2024, the reporting person received 808 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 808 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001428205-24-000197 · wk-form4_1724446736.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,840

Underlying: Common Stock · 520 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On August 22, 2024, the reporting person elected to convert 520 out of the 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F1 · derivative.expiration_date: On August 22, 2024, the reporting person elected to convert 520 out of the 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

SEC source: 0001428205-24-000197 · wk-form4_1724446736.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 23,867

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On August 22, 2024, the reporting person elected to convert 520 out of the 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F2 · ownership.nature: 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.

SEC source: 0001428205-24-000164 · wk-form4_1719865256.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 23,347

F1 · kind: On July 1, 2024, the reporting person received 851 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 851 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001428205-24-000119 · wk-form4_1716496804.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,360

Underlying: Common Stock · 520 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On May 22, 2024, the reporting person elected to convert 520 out of the 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F1 · derivative.expiration_date: On May 22, 2024, the reporting person elected to convert 520 out of the 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

SEC source: 0001428205-24-000119 · wk-form4_1716496804.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 22,496

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On May 22, 2024, the reporting person elected to convert 520 out of the 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F2 · ownership.nature: 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.

SEC source: 0001428205-24-000080 · wk-form4_1712090136.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 21,976

F1 · kind: On April 1, 2024, the reporting person received 834 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 834 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001428205-24-000028 · wk-form4_1708981691.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,880

Underlying: Common Stock · 520 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On February 22, 2024, the reporting person elected to convert 520 out of the 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F1 · derivative.expiration_date: On February 22, 2024, the reporting person elected to convert 520 out of the 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

SEC source: 0001428205-24-000028 · wk-form4_1708981691.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 21,142

F1 · kind: On February 22, 2024, the reporting person elected to convert 520 out of the 520 shares of vested phantom stock into 520 shares of ARMOUR common stock. The 520 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 January 14, 2021 and February 14, 2023.

F2 · ownership.nature: 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.

SEC source: 0001428205-24-000004 · wk-form4_1704318189.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 20,622

F1 · kind: On January 2, 2024, the reporting person received 854 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 854 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001428205-23-000206 · wk-form4_1700860385.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,400

Underlying: Common Stock · 540 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On November 21, 2023, the reporting person elected to convert 540 out of the 540 shares of vested phantom stock into 540 shares of ARMOUR common stock. The 540 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 January 14, 2021 and February 14, 2023.

F1 · derivative.expiration_date: On November 21, 2023, the reporting person elected to convert 540 out of the 540 shares of vested phantom stock into 540 shares of ARMOUR common stock. The 540 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 January 14, 2021 and February 14, 2023.

F2 · balance_after: Total reflects a 1 for 5 reverse stock split that occurred on September 29, 2023.

SEC source: 0001428205-23-000206 · wk-form4_1700860385.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 19,768

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On November 21, 2023, the reporting person elected to convert 540 out of the 540 shares of vested phantom stock into 540 shares of ARMOUR common stock. The 540 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 January 14, 2021 and February 14, 2023.

F2 · balance_after: Total reflects a 1 for 5 reverse stock split that occurred on September 29, 2023.

F3 · ownership.nature: 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.

SEC source: 0001428205-23-000174 · wk-form4_1696363308.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 96,143

F1 · kind: On October 2, 2023, the reporting person received 3,882 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 3,882 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001428205-23-000154 · wk-form4_1692908511.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,700

Underlying: Common Stock · 2,600 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On August 22, 2023, the reporting person elected to convert 2,600 out of the 2,600 shares of vested phantom stock into 2,600 shares of ARMOUR common stock. The 2,600 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 January 14, 2021 and February 14, 2023.

F1 · derivative.expiration_date: On August 22, 2023, the reporting person elected to convert 2,600 out of the 2,600 shares of vested phantom stock into 2,600 shares of ARMOUR common stock. The 2,600 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 January 14, 2021 and February 14, 2023.

SEC source: 0001428205-23-000154 · wk-form4_1692908511.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 92,261

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On August 22, 2023, the reporting person elected to convert 2,600 out of the 2,600 shares of vested phantom stock into 2,600 shares of ARMOUR common stock. The 2,600 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 January 14, 2021 and February 14, 2023.

F2 · ownership.nature: 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.

SEC source: 0001428205-23-000128 · wk-form4_1688588441.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 89,661

F1 · kind: Only July 3, 2023, the reporting person received 3,095 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 3,095 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001428205-23-000115 · wf-form4_168504933497678.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,300

Underlying: Common Stock · 2,600 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On May 23, 2023, the reporting person elected to convert 2,600 out of the 2,600 shares of vested phantom stock into 2,600 shares of ARMOUR common stock. The 2,600 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 January 14, 2021 and February 14, 2023.

F1 · derivative.expiration_date: On May 23, 2023, the reporting person elected to convert 2,600 out of the 2,600 shares of vested phantom stock into 2,600 shares of ARMOUR common stock. The 2,600 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 January 14, 2021 and February 14, 2023.

SEC source: 0001428205-23-000115 · wf-form4_168504933497678.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 86,566

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On May 23, 2023, the reporting person elected to convert 2,600 out of the 2,600 shares of vested phantom stock into 2,600 shares of ARMOUR common stock. The 2,600 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 January 14, 2021 and February 14, 2023.

F2 · ownership.nature: 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.

SEC source: 0001428205-23-000081 · wf-form4_168072642345364.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 83,966

F1 · price: On April 3, 2023, the reporting person received 3,142 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 3,142 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.

SEC source: 0001428205-23-000057 · wf-form4_167718818395433.xml · derivative · entry 3

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,900

Underlying: Common Stock · 2,600 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: On February 21, 2023, the reporting person elected to convert 2600 shares out of 2600 shares of vested phantom stock into 2,600 shares of ARMOUR common stock. The 2,600 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on Form 4s filed by the reporting person on January 14, 2021 and February 14, 2023.

F1 · derivative.expiration_date: On February 21, 2023, the reporting person elected to convert 2600 shares out of 2600 shares of vested phantom stock into 2,600 shares of ARMOUR common stock. The 2,600 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on Form 4s filed by the reporting person on January 14, 2021 and February 14, 2023.

SEC source: 0001428205-23-000057 · wf-form4_167718818395433.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 80,824

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On February 21, 2023, the reporting person elected to convert 2600 shares out of 2600 shares of vested phantom stock into 2,600 shares of ARMOUR common stock. The 2,600 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on Form 4s filed by the reporting person on January 14, 2021 and February 14, 2023.

F2 · ownership.nature: 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.

SEC source: 0001428205-23-000044 · wf-form4_167658227115355.xml · derivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,500

Underlying: Common Stock · 40,000 shares

Expires not disclosed

F1 · security: The reporting person was granted an aggregate of 40,000 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Third Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. 2,000 phantom shares will vest on February 20, 2023 with an additional 2,000 phantom shares vesting on each following May 20, August 20, November 20 and February 20, through November 20, 2027, at which time all phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F2 · security: The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

F3 · security: The reporting person also has the right to elect to have withholding taxes or a portion thereof, as the case may be, satisfied by reducing the number of shares of common stock to be issued to the reporting person by some or all of such shares. With respect to each phantom share, the reporting person will receive a cash payment in an amount equal to the cash dividend distributions paid in the ordinary course on a share of ARMOUR common stock. The reporting person also has the right to elect in lieu of the cash dividend payment a number of shares of common stock equal to the dividend payment payable divided by the fair market value of a share of ARMOUR common stock on the date of the dividend payment.

F4 · security: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_price: The reporting person was granted an aggregate of 40,000 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Third Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. 2,000 phantom shares will vest on February 20, 2023 with an additional 2,000 phantom shares vesting on each following May 20, August 20, November 20 and February 20, through November 20, 2027, at which time all phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F4 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · price: The reporting person was granted an aggregate of 40,000 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Third Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. 2,000 phantom shares will vest on February 20, 2023 with an additional 2,000 phantom shares vesting on each following May 20, August 20, November 20 and February 20, through November 20, 2027, at which time all phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F4 · price: Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

F1 · derivative.exercise_date: The reporting person was granted an aggregate of 40,000 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Third Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. 2,000 phantom shares will vest on February 20, 2023 with an additional 2,000 phantom shares vesting on each following May 20, August 20, November 20 and February 20, through November 20, 2027, at which time all phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F2 · derivative.exercise_date: The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

F1 · derivative.expiration_date: The reporting person was granted an aggregate of 40,000 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Third Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. 2,000 phantom shares will vest on February 20, 2023 with an additional 2,000 phantom shares vesting on each following May 20, August 20, November 20 and February 20, through November 20, 2027, at which time all phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

F2 · derivative.expiration_date: The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

F1 · balance_after: The reporting person was granted an aggregate of 40,000 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Third Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. 2,000 phantom shares will vest on February 20, 2023 with an additional 2,000 phantom shares vesting on each following May 20, August 20, November 20 and February 20, through November 20, 2027, at which time all phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

SEC source: 0001428205-23-000007 · wf-form4_167295382724329.xml · nonDerivative · entry 1

PAPERIN STEWART J · CIK 0001207637 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 78,224

F1 · price: On January 3, 2023, the reporting person received 2,930 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 2,930 shares of stock represent the reporting person's election of stock compensation for the past quarter.

F2 · ownership.nature: 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.