PRA

pra-202602230001127703false00011277032026-02-232026-02-23

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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 23, 2026

ProAssurance Corporation (Exact name of registrant as specified in its charter)

Delaware001-1653363-1261433 (State of Incorporation) (Commission File No.) (IRS Employer I.D. No.)

100 Brookwood Place,Birmingham, AL35209 (Address of Principal Executive Office )(Zip code)

Registrant’s telephone number, including area code: (205) 877-4400

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:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Securities Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-(c) under the Exchange Act (17CFR 240.13e-(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 $0.01 per sharePRANew York Stock Exchange

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

1

ITEM 2.02 RESULTS OF OPERATION AND FINANCIAL CONDITION

On February 23, 2026 we issued a news release reporting the results of our operations for the quarter and year ended December 31, 2025. The text of the release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS

99.1 News release issued on February 23, 2026 reporting results of ProAssurance's operations for the quarter ended December 31, 2025. The information we are furnishing under Item 9.01 of this Current Report on Form 8K, including Exhibit 99.1, is not be deemed to be “filed” for the purposes of Section 18 of the Securities and Exchange Act of 1934 (the “Exchange Act”) as amended, or otherwise subject to the liability of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of the general incorporation language of such filing, except as shall be expressly set forth by specific reference in such filing.

SIGNATURE

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. Date: February 23, 2026

PROASSURANCE CORPORATION

by: /s/ Jeffrey P. Lisenby

Jeffrey P. Lisenby General Counsel

2

pra-202511040001127703false00011277032025-11-042025-11-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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 5, 2025

ProAssurance Corporation (Exact name of registrant as specified in its charter)

Delaware001-1653363-1261433 (State of Incorporation) (Commission File No.) (IRS Employer I.D. No.)

100 Brookwood Place,Birmingham, AL35209 (Address of Principal Executive Office )(Zip code)

Registrant’s telephone number, including area code: (205) 877-4400

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:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Securities Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-(c) under the Exchange Act (17CFR 240.13e-(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 $0.01 per sharePRANew York Stock Exchange

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

1

ITEM 2.02 RESULTS OF OPERATION AND FINANCIAL CONDITION

On November 4, 2025 we issued a news release reporting the results of our operations for the quarter ended September 30, 2025. The text of the release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

ITEM 7.01 REGULATION FD DISCLOSURES

We also have updated our online disclosure of our entire investment portfolio to provide details of our holdings through September 30, 2025. The disclosure is available under Quarterly Results in the Financial Information section of our Investor Relations website.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS

99.1 News release issued on November 4, 2025 reporting results of ProAssurance's operations for the quarter ended September 30, 2025. The information we are furnishing under Items 7.01 and 9.01 of this Current Report on Form 8K, including Exhibit 99.1, is not be deemed to be “filed” for the purposes of Section 18 of the Securities and Exchange Act of 1934 (the “Exchange Act”) as amended, or otherwise subject to the liability of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of the general incorporation language of such filing, except as shall be expressly set forth by specific reference in such filing.

SIGNATURE

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. Date: November 4, 2025

PROASSURANCE CORPORATION

by: /s/ Jeffrey P. Lisenby

Jeffrey P. Lisenby General Counsel

2

pra-202411070001127703false00011277032024-11-072024-11-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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 7, 2024

ProAssurance Corporation (Exact name of registrant as specified in its charter)

Delaware001-1653363-1261433 (State of Incorporation) (Commission File No.) (IRS Employer I.D. No.)

100 Brookwood Place,Birmingham, AL35209 (Address of Principal Executive Office )(Zip code)

Registrant’s telephone number, including area code: (205) 877-4400

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:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Securities Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-(c) under the Exchange Act (17CFR 240.13e-(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 $0.01 per sharePRANew York Stock Exchange

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

1

ITEM 2.02 RESULTS OF OPERATION AND FINANCIAL CONDITION

On November 7, 2024 we issued a news release reporting the results of our operations for the quarter and nine months ended September 30, 2024. The text of the release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

ITEM 7.01 REGULATION FD DISCLOSURES

We are furnishing investor presentation materials to be used starting November 7, 2024 as Exhibit 99.2. The presentation is available under Presentations under the News & Presentation Materials tab of the Investor Relations section of our website (http://investor.proassurance.com). We also have updated our online disclosure of our entire investment portfolio to provide details of our holdings through September 30, 2024. The disclosure is available under Quarterly Investment Supplements under the Financial Information section of the Investor Relations section of our website.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS

99.1 News release issued on November 7, 2024 reporting results of ProAssurance's operations for the three and nine months ended September 30, 2024. 99.2 Presentation materials we will begin using on November 7, 2024. The information we are furnishing under Items 7.01 and 9.01 of this Current Report on Form 8K, including Exhibits 99.1and 99.2, are not be deemed to be “filed” for the purposes of Section 18 of the Securities and Exchange Act of 1934 (the “Exchange Act”) as amended, or otherwise subject to the liability of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of the general incorporation language of such filing, except as shall be expressly set forth by specific reference in such filing.

SIGNATURE

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. Date: November 7, 2024

PROASSURANCE CORPORATION

by: /s/ Jeffrey P. Lisenby

Jeffrey P. Lisenby General Counsel

2