NMIH

nmih-202602100001547903false00015479032024-02-142024-02-14

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 10, 2026

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On February 10, 2026, NMI Holdings, Inc. (the "Company") issued a press release announcing its financial results for the quarter and year ended December 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this Item 2.02, including Exhibit 99.1, has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, ("Exchange Act") nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.    Financial Statements and Exhibits (d) Exhibits. Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release, dated February 10, 2026 104    Cover Page Interactive Data File (embedded within the Inline XBRL document) 1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: February 10, 2026By:/s/ William J. Leatherberry William J. Leatherberry EVP, Chief Administrative Officer & General Counsel

2

nmih-202511040001547903false00015479032025-07-292025-07-29

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): November 4, 2025

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On November 4, 2025, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended September 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release, dated November 4, 2025 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: November 4, 2025By:/s/ William J. Leatherberry William J. Leatherberry EVP, Chief Administrative Officer and General Counsel

2

nmih-202507290001547903false00015479032025-07-292025-07-29

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): July 29, 2025

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On July 29, 2025, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended June 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release, dated July 29, 2025 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: July 29, 2025By:/s/ William J. Leatherberry William J. Leatherberry EVP, Chief Administrative Officer and General Counsel

2

nmih-202504290001547903false00015479032024-04-302024-04-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): April 29, 2025

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On April 29, 2025, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended March 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release, dated April 29, 2025 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: April 29, 2025 By:/s/ William J. Leatherberry William J. Leatherberry EVP, Chief Administrative Officer and General Counsel

2

nmih-202502060001547903false00015479032024-02-142024-02-14

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 6, 2025

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On February 6, 2025, NMI Holdings, Inc. (the "Company") issued a press release announcing its financial results for the quarter and year ended December 31, 2024. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this Item 2.02, including Exhibit 99.1, has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, ("Exchange Act") nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.    Financial Statements and Exhibits (d) Exhibits. Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release, dated February 6, 2025 104    Cover Page Interactive Data File (embedded within the Inline XBRL document) 1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: February 6, 2025By:/s/ William J. Leatherberry William J. Leatherberry EVP, Chief Administrative Officer & General Counsel

2

nmih-202411060001547903false00015479032024-11-062024-11-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): November 6, 2024

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On November 6, 2024, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended September 30, 2024. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release, dated November 6, 2024 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: November 6, 2024By:/s/ William J. Leatherberry William J. Leatherberry EVP, Chief Administrative Officer and General Counsel

2

nmih-202407300001547903false00015479032024-07-302024-07-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): July 30, 2024

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On July 30, 2024, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended June 30, 2024. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release, dated July 30, 2024 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: July 30, 2024By:/s/ William J. Leatherberry William J. Leatherberry EVP, Chief Administrative Officer and General Counsel

2

nmih-202404300001547903false00015479032024-04-302024-04-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): April 30, 2024

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On April 30, 2024, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended March 31, 2024. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release, dated April 30, 2024 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: April 30, 2024By:/s/ William J. Leatherberry William J. Leatherberry EVP, Chief Administrative Officer and General Counsel

2

nmih-202402140001547903false00015479032024-02-142024-02-14

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 14, 2024

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On February 14, 2024, NMI Holdings, Inc. (the "Company") issued a press release announcing its financial results for the quarter and year ended December 31, 2023. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this Item 2.02, including Exhibit 99.1, has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, ("Exchange Act") nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.    Financial Statements and Exhibits (d) Exhibits. Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release, dated February 14, 2024 104    Cover Page Interactive Data File (embedded within the Inline XBRL document) 1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: February 14, 2024By:/s/ William J. Leatherberry William J. Leatherberry EVP, Chief Administrative Officer & General Counsel

2

nmih-202311010001547903false00015479032023-11-012023-11-01

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): November 1, 2023

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On November 1, 2023, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended September 30, 2023. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release, dated November 1, 2023 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: November 1, 2023By:/s/ William J. Leatherberry William J. Leatherberry EVP, General Counsel

2

nmih-202308010001547903false00015479032023-08-012023-08-01

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): August 1, 2023

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On August 1, 2023, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended June 30, 2023. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release dated August 1, 2023 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: August 1, 2023By:/s/ William J. Leatherberry William J. Leatherberry EVP, General Counsel

2

nmih-202305020001547903false00015479032023-05-022023-05-02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): May 2, 2023

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On May 2, 2023, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended March 31, 2023. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release dated May 2, 2023 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: May 2, 2023By:/s/ William J. Leatherberry William J. Leatherberry EVP, General Counsel

2

nmih-202302140001547903false00015479032023-02-142023-02-14

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 14, 2023

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On February 14, 2023, NMI Holdings, Inc. (the "Company") issued a press release announcing its financial results for the quarter and year ended December 31, 2022. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this Item 2.02, including Exhibit 99.1, has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, ("Exchange Act") nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.    Financial Statements and Exhibits (d) Exhibits. Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release, dated February 14, 2023 104    Cover Page Interactive Data File (embedded within the Inline XBRL document) 1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: February 14, 2023By:/s/ William J. Leatherberry William J. Leatherberry EVP, General Counsel

2

nmih-202211010001547903false00015479032022-11-012022-11-01

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): November 1, 2022

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On November 1, 2022, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended September 30, 2022. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release dated November 1, 2022 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: November 1, 2022By:/s/ William J. Leatherberry William J. Leatherberry EVP, General Counsel

2

nmih-202208020001547903false00015479032022-08-022022-08-02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): August 2, 2022

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On August 2, 2022, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended June 30, 2022. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release dated August 2, 2022 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: August 2, 2022By:/s/ William J. Leatherberry William J. Leatherberry EVP, General Counsel

2

nmih-202205040001547903false00015479032022-05-042022-05-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): May 4, 2022

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On May 4, 2022, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended March 31, 2022. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release dated May 4, 2022 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: May 4, 2022By:/s/ William J. Leatherberry William J. Leatherberry EVP, General Counsel

2

nmih-202202150001547903false00015479032022-02-152022-02-15

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K/A

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 15, 2022

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition This Current Report on Form 8-K/A (“Amendment No. 1”) amends the Current Report on Form 8-K filed with the Securities and Exchange Commission on February 15, 2022 (the “Original Form 8-K”) by NMI Holdings, Inc. (the “Company”). This Amendment No. 1 is being filed by the Company solely to correct a typographical error found in Exhibit 99.1 of the Original Form 8-K in the primary portfolio trends table. Except as provided herein, the disclosures made in the Original Form 8-K remain unchanged. The Company is including the revised table below.

Primary portfolio trendsAs of and for the three months ended December 31, 2021September 30, 2021June 30, 2021March 31, 2021December 31, 2020September 30, 2020 ($ Values In Millions) New insurance written $18,342 $18,084 $22,751 $26,397 $19,782 $18,499 New risk written4,786 4,640 5,650 6,531 4,868 4,577 Insurance in force (IIF) (1) 152,343 143,618 136,598 123,777 111,252 104,494 Risk in force (1) $38,661 36,253 34,366 31,206 28,164 26,568 Policies in force (count) (1) 512,316 490,714 471,794 436,652 399,429 381,899 Average loan size ($ value in thousands) (1) $297 $293 $290 $283 $279 $274 Coverage percentage (2) 25.4 %25.2 %25.2 %25.2 %25.3 %25.4 % Loans in default (count) (1) 6,227 7,670 8,764 11,090 12,209 13,765 Default rate (1) 1.22 %1.56 %1.86 %2.54 %3.06 %3.60 % Risk in force on defaulted loans (1) $435 $546 $625 $785 $874 $1,008 Net premium yield (3) 0.31 %0.32 %0.34 %0.36 %0.37 %0.39 % Earnings from cancellations$5.1 $7.7 $7.0 $9.9 $11.7 $12.6 Annual persistency (4) 63.8 %58.1 %53.9 %51.9 %55.9 %60.0 % Quarterly run-off (5) 6.7 %8.1 %8.0 %12.5 %12.5 %13.1 % \ (1)    Reported as of the end of the period. (2)    Calculated as end of period risk-in-force (RIF) divided by end of period IIF. (3)    Calculated as net premiums earned, divided by average primary IIF for the period, annualized. (4)    Defined as the percentage of IIF that remains on our books after a given twelve-month period. (5)    Defined as the percentage of IIF that is no longer on our books after a given three-month period.

The information included in, or furnished with, this Item 2.02, has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, ("Exchange Act") nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document.

Item 9.01.    Financial Statements and Exhibits (d) Exhibits. Exhibit No.    Description 104    Cover Page Interactive Data File (embedded within the Inline XBRL document) 1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authoriz

nmih-202202150001547903false00015479032022-02-152022-02-15

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 15, 2022

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On February 15, 2022, NMI Holdings, Inc. (the "Company") issued a press release announcing its financial results for the quarter and year ended December 31, 2021. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this Item 2.02, including Exhibit 99.1, has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, ("Exchange Act") nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 8.01    Other Events On February 15, 2022, the Company issued a press release announcing that its Board of Directors has approved a new stock repurchase program (the "Stock Repurchase Program") granting the Company the authority to repurchase up to $125 million in common stock, par value $0.01 per share, through December 31, 2023. The Stock Repurchase Program may be executed from time to time through various means, including, without limitation, open market or privately negotiated transactions. A copy of the press release is furnished as Exhibit 99.1 to this report. Item 9.01.    Financial Statements and Exhibits (d) Exhibits. Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release Dated February 15, 2022 104    Cover Page Interactive Data File (embedded within the Inline XBRL document) 1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: February 15, 2022By:/s/ William J. Leatherberry William J. Leatherberry EVP, General Counsel

2

nmih-202111020001547903false00015479032021-11-022021-11-02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): November 2, 2021

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On November 2, 2021, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended September 30, 2021. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release dated November 2, 2021 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: November 2, 2021By:/s/ William J. Leatherberry William J. Leatherberry EVP, General Counsel

2

nmih-202108030001547903false00015479032021-08-032021-08-03

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): August 3, 2021

NMI Holdings, Inc. (Exact Name of Registrant as Specified in Its Charter)

Delaware001-3617445-4914248 (State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

2100 Powell Street, 12th Floor, Emeryville, CA (Address of Principal Executive Offices) 94608 (Zip Code) (855) 530-6642 (Registrant’s Telephone Number, Including Area Code) (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01NMIHNasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition On August 3, 2021, NMI Holdings, Inc. issued a press release announcing its financial results for the quarter ended June 30, 2021. A copy of the press release is furnished as Exhibit 99.1 to this report. The information included in, or furnished with, this report has been "furnished" and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document. Item 9.01.          Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.    Description 99.1    NMI Holdings, Inc. Press Release dated August 3, 2021 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NMI Holdings, Inc. (Registrant)

Date: August 3, 2021By:/s/ William J. Leatherberry William J. Leatherberry EVP, General Counsel

2