NMIH

SEC source: 0001904756-26-000006 · wk-form4_1771454541.xml · nonDerivative · entry 1

Fitzgerald Norman Peter · CIK 0001904756 · EVP, Chief Sales Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,445

F1 · price: The common stock was sold by the reporting person in a series of open market transactions at a weighted average sale price of $39.9393. The range of sale prices on the transaction date was $39.62 to $40.56. The reporting person undertakes to provide, upon request by the SEC staff, NMIH or a security holder of NMIH, full information regarding the shares sold at each price.

F2 · balance_after: Represents 15,313 common shares and 17,132 unvested restricted stock units.

SEC source: 0001052831-26-000004 · wk-form4_1771033368.xml · nonDerivative · entry 2

SHUSTER BRADLEY M · CIK 0001052831 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 415,411

F2 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 12, 2025 at a net settlement price equal to the closing stock price on February 12, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

F3 · balance_after: Represents 363,130 common shares and 52,281 unvested restricted stock units.

SEC source: 0002021356-26-000002 · wk-form4_1771033442.xml · nonDerivative · entry 4

Swithenbank Aurora · CIK 0002021356 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,453

F4 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 12, 2025 at a net settlement price equal to the closing stock price on February 12, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

F5 · balance_after: Represents 14,629 common shares and 59,824 unvested restricted stock units.

SEC source: 0001706001-26-000004 · wk-form4_1771033023.xml · nonDerivative · entry 4

Pollitzer Adam · CIK 0001706001 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 442,973

F4 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 12, 2025 at a net settlement price equal to the closing stock price on February 12, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

F5 · balance_after: Represents 319,919 common shares and 123,054 unvested restricted stock units.

SEC source: 0001422024-26-000006 · wk-form4_1771032920.xml · nonDerivative · entry 4

Leatherberry William J · CIK 0001422024 · Chief Admin. Officer & GC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 164,234

F4 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 12, 2025 at a net settlement price equal to the closing stock price on February 12, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

F5 · balance_after: Represents 129,801 common shares and 34,433 unvested restricted stock units.

SEC source: 0001903613-26-000006 · wk-form4_1771033414.xml · nonDerivative · entry 4

Yousaf Mohammad Nawaz · CIK 0001903613 · EVP, Chief of Ops and Tech

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,733

F4 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 12, 2025 at a net settlement price equal to the closing stock price on February 12, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

F5 · balance_after: Represents 37,213 common shares and 17,520 unvested restricted stock units.

SEC source: 0001739814-26-000004 · wk-form4_1771033318.xml · nonDerivative · entry 4

Smith Robert Owen · CIK 0001739814 · EVP, Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,381

F4 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 12, 2025 at a net settlement price equal to the closing stock price on February 12, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

F5 · balance_after: Represents 83,241 common shares and 25,140 unvested restricted stock units.

SEC source: 0001904756-26-000004 · wk-form4_1771033281.xml · nonDerivative · entry 4

Fitzgerald Norman Peter · CIK 0001904756 · EVP, Chief Sales Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,945

F4 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 12, 2025 at a net settlement price equal to the closing stock price on February 12, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

F5 · balance_after: Represents 37,813 common shares and 17,132 unvested restricted stock units.

SEC source: 0001052831-26-000004 · wk-form4_1771033368.xml · nonDerivative · entry 1

SHUSTER BRADLEY M · CIK 0001052831 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 420,332

F1 · shares: Represents restricted stock units granted pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan on February 11, 2026. The restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

SEC source: 0002021356-26-000002 · wk-form4_1771033442.xml · nonDerivative · entry 3

Swithenbank Aurora · CIK 0002021356 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,816

F3 · shares: Represents restricted stock units granted pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan on February 11, 2026. The restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

SEC source: 0001706001-26-000004 · wk-form4_1771033023.xml · nonDerivative · entry 3

Pollitzer Adam · CIK 0001706001 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 457,647

F3 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of the PRSUs granted to the reporting person on February 8, 2023 at a net settlement price equal to the closing stock price on February 11, 2026.

SEC source: 0001706001-26-000004 · wk-form4_1771033023.xml · nonDerivative · entry 2

Pollitzer Adam · CIK 0001706001 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 551,605

F2 · shares: On February 8, 2023, the reporting person was granted performance-based restricted stock units (PRSUs) pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan. Each PRSU represents a contingent right to receive shares of NMIH's common shares upon settlement. The PRSUs vest at the end of the three-year period following the grant on the date that the Compensation Committee of the Board of Directors certifies attainment, based on NMIH's satisfaction of certain performance criteria. The performance criteria were met on February 11, 2026, resulting in the issuance of 184,664 vested PRSUs.

SEC source: 0001706001-26-000004 · wk-form4_1771033023.xml · nonDerivative · entry 1

Pollitzer Adam · CIK 0001706001 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 366,941

F1 · shares: Represents restricted stock units granted pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan on February 11, 2026. The restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

SEC source: 0001422024-26-000006 · wk-form4_1771032920.xml · nonDerivative · entry 3

Leatherberry William J · CIK 0001422024 · Chief Admin. Officer & GC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 168,239

F3 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of the PRSUs granted to the reporting person on February 8, 2023 at a net settlement price equal to the closing stock price on February 11, 2026.

SEC source: 0001422024-26-000006 · wk-form4_1771032920.xml · nonDerivative · entry 2

Leatherberry William J · CIK 0001422024 · Chief Admin. Officer & GC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 193,932

F2 · shares: On February 8, 2023, the reporting person was granted performance-based restricted stock units (PRSUs) pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan. Each PRSU represents a contingent right to receive shares of NMIH's common shares upon settlement. The PRSUs vest at the end of the three-year period following the grant on the date that the Compensation Committee of the Board of Directors certifies attainment, based on NMIH's satisfaction of certain performance criteria. The performance criteria were met on February 11, 2026, resulting in the issuance of 50,496 vested PRSUs.

SEC source: 0001422024-26-000006 · wk-form4_1771032920.xml · nonDerivative · entry 1

Leatherberry William J · CIK 0001422024 · Chief Admin. Officer & GC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 143,436

F1 · shares: Represents restricted stock units granted pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan on February 11, 2026. The restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

SEC source: 0001903613-26-000006 · wk-form4_1771033414.xml · nonDerivative · entry 3

Yousaf Mohammad Nawaz · CIK 0001903613 · EVP, Chief of Ops and Tech

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,328

F3 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of the PRSUs granted to the reporting person on February 8, 2023 at a net settlement price equal to the closing stock price on February 11, 2026.

SEC source: 0001903613-26-000006 · wk-form4_1771033414.xml · nonDerivative · entry 2

Yousaf Mohammad Nawaz · CIK 0001903613 · EVP, Chief of Ops and Tech

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,036

F2 · shares: On February 8, 2023, the reporting person was granted performance-based restricted stock units (PRSUs) pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan. Each PRSU represents a contingent right to receive shares of NMIH's common shares upon settlement. The PRSUs vest at the end of the three-year period following the grant on the date that the Compensation Committee of the Board of Directors certifies attainment, based on NMIH's satisfaction of certain performance criteria. The performance criteria were met on February 11, 2026, resulting in the issuance of 27,212 vested PRSUs.

SEC source: 0001903613-26-000006 · wk-form4_1771033414.xml · nonDerivative · entry 1

Yousaf Mohammad Nawaz · CIK 0001903613 · EVP, Chief of Ops and Tech

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,824

F1 · shares: Represents restricted stock units granted pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan on February 11, 2026. The restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

SEC source: 0001739814-26-000004 · wk-form4_1771033318.xml · nonDerivative · entry 3

Smith Robert Owen · CIK 0001739814 · EVP, Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,362

F3 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of the PRSUs granted to the reporting person on February 8, 2023 at a net settlement price equal to the closing stock price on February 11, 2026.

SEC source: 0001739814-26-000004 · wk-form4_1771033318.xml · nonDerivative · entry 2

Smith Robert Owen · CIK 0001739814 · EVP, Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 130,989

F2 · shares: On February 8, 2023, the reporting person was granted performance-based restricted stock units (PRSUs) pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan. Each PRSU represents a contingent right to receive shares of NMIH's common shares upon settlement. The PRSUs vest at the end of the three-year period following the grant on the date that the Compensation Committee of the Board of Directors certifies attainment, based on NMIH's satisfaction of certain performance criteria. The performance criteria were met on February 11, 2026, resulting in the issuance of 38,574 vested PRSUs.

SEC source: 0001739814-26-000004 · wk-form4_1771033318.xml · nonDerivative · entry 1

Smith Robert Owen · CIK 0001739814 · EVP, Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,415

F1 · shares: Represents restricted stock units granted pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan on February 11, 2026. The restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

SEC source: 0001904756-26-000004 · wk-form4_1771033281.xml · nonDerivative · entry 3

Fitzgerald Norman Peter · CIK 0001904756 · EVP, Chief Sales Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,864

F3 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of the PRSUs granted to the reporting person on February 8, 2023 at a net settlement price equal to the closing stock price on February 11, 2026.

SEC source: 0001904756-26-000004 · wk-form4_1771033281.xml · nonDerivative · entry 2

Fitzgerald Norman Peter · CIK 0001904756 · EVP, Chief Sales Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,022

F2 · shares: On February 8, 2023, the reporting person was granted performance-based restricted stock units (PRSUs) pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan. Each PRSU represents a contingent right to receive shares of NMIH's common shares upon settlement. The PRSUs vest at the end of the three-year period following the grant on the date that the Compensation Committee of the Board of Directors certifies attainment, based on NMIH's satisfaction of certain performance criteria. The performance criteria were met on February 11, 2026, resulting in the issuance of 27,212 vested PRSUs.

SEC source: 0001904756-26-000004 · wk-form4_1771033281.xml · nonDerivative · entry 1

Fitzgerald Norman Peter · CIK 0001904756 · EVP, Chief Sales Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,810

F1 · shares: Represents restricted stock units granted pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan on February 11, 2026. The restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

SEC source: 0001052831-26-000002 · wk-form4_1770770981.xml · nonDerivative · entry 2

SHUSTER BRADLEY M · CIK 0001052831 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 395,895

F2 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 8, 2023 at a net settlement price equal to the closing stock price on February 6, 2026. The restricted stock units vest in three equal annual installments beginning on February 8, 2024.

F3 · balance_after: Represents 358,381 common shares and 37,514 unvested restricted stock units.

SEC source: 0001706001-26-000002 · wk-form4_1770770883.xml · nonDerivative · entry 2

Pollitzer Adam · CIK 0001706001 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 303,403

F2 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 8, 2023 at a net settlement price equal to the closing stock price on February 6, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

F3 · balance_after: Represents 215,048 common shares and 88,355 unvested restricted stock units.

SEC source: 0001422024-26-000003 · wk-form4_1770770928.xml · nonDerivative · entry 2

Leatherberry William J · CIK 0001422024 · Chief Admin. Officer & GC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,203

F2 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 8, 2023 at a net settlement price equal to the closing stock price on February 6, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

F3 · balance_after: Represents 101,133 common shares and 24,070 unvested restricted stock units.

SEC source: 0001904756-26-000002 · wk-form4_1770770821.xml · nonDerivative · entry 2

Fitzgerald Norman Peter · CIK 0001904756 · EVP, Chief Sales Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,830

F2 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 8, 2023 at a net settlement price equal to the closing stock price on February 6, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

F3 · balance_after: Represents 21,711 common shares and 12,119 unvested restricted stock units.

SEC source: 0001903613-26-000004 · wk-form4_1770770688.xml · nonDerivative · entry 2

Yousaf Mohammad Nawaz · CIK 0001903613 · EVP, Chief of Ops and Tech

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,660

F2 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 8, 2023 at a net settlement price equal to the closing stock price on February 6, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

F3 · balance_after: Represents 18,252 common shares and 12,408 unvested restricted stock units.

SEC source: 0001739814-26-000002 · wk-form4_1770770761.xml · nonDerivative · entry 2

Smith Robert Owen · CIK 0001739814 · EVP, Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,219

F2 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 8, 2023 at a net settlement price equal to the closing stock price on February 6, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

F3 · balance_after: Represents 61,417 common shares and 17,802 unvested restricted stock units.

SEC source: 0001052831-26-000002 · wk-form4_1770770981.xml · nonDerivative · entry 1

SHUSTER BRADLEY M · CIK 0001052831 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 402,856

F1 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 7, 2024 at a net settlement price equal to the closing stock price on February 6, 2026. The restricted stock units vest in three equal annual installments beginning on February 7, 2025.

SEC source: 0001706001-26-000002 · wk-form4_1770770883.xml · nonDerivative · entry 1

Pollitzer Adam · CIK 0001706001 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 312,800

F1 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 7, 2024 at a net settlement price equal to the closing stock price on February 6, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

SEC source: 0001422024-26-000003 · wk-form4_1770770928.xml · nonDerivative · entry 1

Leatherberry William J · CIK 0001422024 · Chief Admin. Officer & GC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 127,773

F1 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 7, 2024 at a net settlement price equal to the closing stock price on February 6, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

SEC source: 0001904756-26-000002 · wk-form4_1770770821.xml · nonDerivative · entry 1

Fitzgerald Norman Peter · CIK 0001904756 · EVP, Chief Sales Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,147

F1 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 7, 2024 at a net settlement price equal to the closing stock price on February 6, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

SEC source: 0001903613-26-000004 · wk-form4_1770770688.xml · nonDerivative · entry 1

Yousaf Mohammad Nawaz · CIK 0001903613 · EVP, Chief of Ops and Tech

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,732

F1 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 7, 2024 at a net settlement price equal to the closing stock price on February 6, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

SEC source: 0001739814-26-000002 · wk-form4_1770770761.xml · nonDerivative · entry 1

Smith Robert Owen · CIK 0001739814 · EVP, Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,183

F1 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on February 7, 2024 at a net settlement price equal to the closing stock price on February 6, 2026. The shares underlying these restricted stock units vest 40% on each of the first and second anniversaries of the grant date and 20% on the third anniversary of the grant date.

SEC source: 0001422024-25-000005 · wk-form4_1767054360.xml · nonDerivative · entry 1

Leatherberry William J · CIK 0001422024 · Chief Admin. Officer & GC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,406

F1 · shares: All of the shares reported as disposed of in this transaction were donated to a charitable organization as a bona fide gift.

F2 · balance_after: Represents 94,504 common shares and 37,902 unvested restricted stock units.

SEC source: 0001209170-25-000005 · wk-form4_1764022937.xml · nonDerivative · entry 1

EMBLER MICHAEL J · CIK 0001209170 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,046

F1 · price: The common stock was sold by the reporting person in a series of open market transactions at a weighted average sale price of $36.900. The range of sale prices on the transaction date was $36.715 to $37.070. The reporting person undertakes to provide, upon request by the SEC staff, NMIH or a security holder of NMIH, full information regarding the shares sold at each price.

F2 · balance_after: Represents 41,607 common shares and 4,439 unvested restricted stock units.

SEC source: 0001953086-25-000003 · wk-form4_1758071872.xml · nonDerivative · entry 2

Realmuto Nicholas Daniel · CIK 0001953086 · VP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,316

F2 · price: The common stock was sold by the reporting person in an open market transaction on the transaction date at a sale price of $38.52.

F3 · balance_after: Represents 7,316 unvested restricted stock units.

SEC source: 0001188413-25-000003 · wk-form4_1758147052.xml · nonDerivative · entry 1

SCHEID STEVEN · CIK 0001188413 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Scheid Family Trust, of which Mr. Scheid and his wife are co-trustees and beneficiaries

Disclosed balance after: 78,960

F1 · price: The common stock was sold by the reporting person in a series of open market transactions at a weighted average sale price of $39.3133. The range of sale prices on the transaction date was $39.1437 to $39.4601. The reporting person undertakes to provide, upon request by the SEC staff, NMIH or a security holder of NMIH, full information regarding the shares sold at each price.

SEC source: 0001188413-26-000002 · wk-form4a_1772234066.xml · nonDerivative · entry 1

SCHEID STEVEN · CIK 0001188413 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Scheid Family Trust, of which Mr. Scheid and his wife are co-trustees and beneficiaries

Disclosed balance after: 74,794

F1 · price: The common stock was sold by the reporting person in a series of open market transactions at a weighted average sale price of $39.3133. The range of sale prices on the transaction date was $39.1437 to $39.4601. The reporting person undertakes to provide, upon request by the SEC staff, NMIH or a security holder of NMIH, full information regarding the shares sold at each price.

F2 · balance_after: This Form 4/A is being filed to correct an overreporting of 4,166 common shares reported as beneficially owned by the Reporting Person on the Form 4 filed on September 17, 2025.

SEC source: 0001953086-25-000003 · wk-form4_1758071872.xml · nonDerivative · entry 1

Realmuto Nicholas Daniel · CIK 0001953086 · VP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,607

F1 · shares: Represents shares withheld by NMIH to satisfy withholding taxes due in connection with the vesting of certain restricted stock units granted to the reporting person on September 13, 2023 at a net settlement price equal to the closing stock price on September 12, 2025.

SEC source: 0001547903-25-000089 · wk-form4_1749259817.xml · nonDerivative · entry 1

SHUSTER BRADLEY M · CIK 0001052831 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 409,792

F1 · price: The common stock was sold by the reporting person in a series of open market transactions at a weighted average sale price of $39.5583. The range of sale prices on the transaction date was $39.2150 to $39.8000. The reporting person undertakes to provide, upon request by the SEC staff, NMIH or a security holder of NMIH, full information regarding the shares sold at each price.

F2 · balance_after: Represents 345,261 common shares and 64,531 unvested restricted stock units.

SEC source: 0001547903-25-000087 · wk-form4_1748635257.xml · nonDerivative · entry 1

Leatherberry William J · CIK 0001422024 · Chief Admin. Officer & GC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134,786

F1 · price: The common stock was sold by the reporting person in a series of open market transactions at a weighted average sale price of $39.67. The range of sale prices on the transaction date was $39.65 to $39.75. The reporting person undertakes to provide, upon request by the SEC staff, NMIH or a security holder of NMIH, full information regarding the shares sold at each price.

F2 · balance_after: Represents 96,884 common shares and 37,902 unvested restricted stock units.

SEC source: 0001547903-25-000085 · wk-form4_1747255500.xml · nonDerivative · entry 1

Montgomery Michael Curry · CIK 0001591148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,068

F1 · price: The common stock was sold by the reporting person in an open market transaction on the transaction date at a sale price of $38.0505.

F2 · balance_after: Represents 61,629 common shares and 4,439 unvested restricted stock units.

SEC source: 0001547903-25-000083 · wk-form4_1746834184.xml · nonDerivative · entry 1

Muehlhauser Regina · CIK 0001699822 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,292

F1 · shares: Represents restricted stock units granted pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan. The restricted stock units vest on the first anniversary of the grant date.

F2 · balance_after: Represents 60,687 common shares and 8,605 unvested restricted stock units.

SEC source: 0001547903-25-000080 · wk-form4_1746834146.xml · nonDerivative · entry 1

Huskins Priya Cherian · CIK 0001419882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,652

F1 · shares: Represents restricted stock units granted pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan. The restricted stock units vest on the first anniversary of the grant date.

F2 · balance_after: Represents 23,047 common shares and 8,605 unvested restricted stock units.

SEC source: 0001547903-25-000082 · wk-form4_1746834172.xml · nonDerivative · entry 1

EMBLER MICHAEL J · CIK 0001209170 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,046

F1 · shares: Represents restricted stock units granted pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan. The restricted stock units vest on the first anniversary of the grant date.

F2 · balance_after: Represents 57,441 common shares and 8,605 unvested restricted stock units.

SEC source: 0001547903-25-000078 · wk-form4_1746834122.xml · nonDerivative · entry 1

SCHEID STEVEN · CIK 0001188413 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,605

F1 · shares: Represents restricted stock units granted pursuant to the NMIH Amended and Restated 2014 Omnibus Incentive Plan. The restricted stock units vest on the first anniversary of the grant date.

F2 · balance_after: Represents 8,605 unvested restricted stock units.