CNA

cna-202602090000021175falseCHXCommon Stock, Par value $2.50"CNA"00000211752026-02-092026-02-090000021175exch:XNYS2026-02-092026-02-090000021175exch:XCHI2026-02-092026-02-09

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 9, 2026

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange NYSE Texas

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On February 9, 2026, the registrant issued a press release and posted on its website (cna.com) a financial supplement, earnings presentation and earnings remarks providing information on its results of operations for the fourth quarter and year ended December 31, 2025. The press release is furnished as Exhibit 99.1, the financial supplement is furnished as Exhibit 99.2, the earnings presentation is furnished as Exhibit 99.3 and the earnings remarks are furnished as Exhibit 99.4 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued February 9, 2026, providing information on the fourth quarter and year ended December 31, 2025 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website February 9, 2026, providing supplemental financial information on the fourth quarter and year ended December 31, 2025.

99.3 CNA Financial Corporation earnings presentation, posted on its website February 9, 2026, providing information on the fourth quarter and year ended December 31, 2025 results of operations.

99.4 CNA Financial Corporation earnings remarks, posted on its website February 9, 2026, providing information on the fourth quarter and year ended December 31, 2025 results of operations.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  February 9, 2026By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202511030000021175falseCHXCommon Stock, Par value $2.50"CNA"00000211752025-11-032025-11-030000021175exch:XNYS2025-11-032025-11-030000021175exch:XCHI2025-11-032025-11-03

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 3, 2025

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange NYSE Texas

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On November 3, 2025, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement, earnings presentation and earnings remarks providing information on its results of operations for the third quarter 2025. The press release is furnished as Exhibit 99.1, the financial supplement is furnished as Exhibit 99.2, the earnings presentation is furnished as Exhibit 99.3 and the earnings remarks are furnished as Exhibit 99.4 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued November 3, 2025, providing information on the third quarter 2025 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website November 3, 2025, providing supplemental financial information on the third quarter 2025.

99.3 CNA Financial Corporation earnings presentation, posted on its website November 3, 2025, providing information on the third quarter 2025 results of operations.

99.4 CNA Financial Corporation earnings remarks, posted on its website November 3, 2025, providing information on the third quarter 2025 results of operations.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  November 3, 2025By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202508040000021175falseCHXCommon Stock, Par value $2.50"CNA"00000211752025-08-042025-08-040000021175exch:XNYS2025-08-042025-08-040000021175exch:XCHI2025-08-042025-08-04

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 4, 2025

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange NYSE Texas

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On August 4, 2025, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement, earnings presentation and earnings remarks providing information on its results of operations for the second quarter 2025. The press release is furnished as Exhibit 99.1, the financial supplement is furnished as Exhibit 99.2, the earnings presentation is furnished as Exhibit 99.3 and the earnings remarks are furnished as Exhibit 99.4 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued August 4, 2025, providing information on the second quarter 2025 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website August 4, 2025, providing supplemental financial information on the second quarter 2025.

99.3 CNA Financial Corporation earnings presentation, posted on its website August 4, 2025, providing information on the second quarter 2025 results of operations.

99.4 CNA Financial Corporation earnings remarks, posted on its website August 4, 2025, providing information on the second quarter 2025 results of operations.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  August 4, 2025By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202505050000021175falseCHXCommon Stock, Par value $2.50"CNA"00000211752025-05-052025-05-050000021175exch:XNYS2025-05-052025-05-050000021175exch:XCHI2025-05-052025-05-05

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) May 5, 2025

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange NYSE Texas

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On May 5, 2025, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement, earnings presentation and earnings remarks providing information on its results of operations for the first quarter 2025. The press release is furnished as Exhibit 99.1, the financial supplement is furnished as Exhibit 99.2, the earnings presentation is furnished as Exhibit 99.3 and the earnings remarks are furnished as Exhibit 99.4 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued May 5, 2025, providing information on the first quarter 2025 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website May 5, 2025, providing supplemental financial information on the first quarter 2025.

99.3 CNA Financial Corporation earnings presentation, posted on its website May 5, 2025, providing information on the first quarter 2025 results of operations.

99.4 CNA Financial Corporation earnings remarks, posted on its website May 5, 2025, providing information on the first quarter 2025 results of operations.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  May 5, 2025By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202502100000021175falseCommon Stock, Par value $2.50"CNA"00000211752025-02-102025-02-100000021175exch:XNYS2025-02-102025-02-100000021175exch:XCHI2025-02-102025-02-10

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 10, 2025

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On February 10, 2025, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement, earnings presentation and earnings remarks providing information on its results of operations for the fourth quarter and year ended December 31, 2024. The press release is furnished as Exhibit 99.1, the financial supplement is furnished as Exhibit 99.2, the earnings presentation is furnished as Exhibit 99.3 and the earnings remarks are furnished as Exhibit 99.4 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued February 10, 2025, providing information on the fourth quarter and year ended December 31, 2024 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website February 10, 2025, providing supplemental financial information on the fourth quarter and year ended December 31, 2024.

99.3 CNA Financial Corporation earnings presentation, posted on its website February 10, 2025, providing information on the fourth quarter and year ended December 31, 2024.

99.4 CNA Financial Corporation earnings remarks, posted on its website February 10, 2025, providing information on the fourth quarter and year ended December 31, 2024.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  February 10, 2025By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202411040000021175falseCommon Stock, Par value $2.50"CNA"00000211752024-11-042024-11-040000021175exch:XNYS2024-11-042024-11-040000021175exch:XCHI2024-11-042024-11-04

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) November 4, 2024

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On November 4, 2024, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement, earnings presentation and earnings remarks providing information on its results of operations for the third quarter 2024. The press release is furnished as Exhibit 99.1, the financial supplement is furnished as Exhibit 99.2, the earnings presentation is furnished as Exhibit 99.3 and the earnings remarks are furnished as Exhibit 99.4 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued November 4, 2024, providing information on the third quarter 2024 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website November 4, 2024, providing supplemental financial information on the third quarter 2024.

99.3 CNA Financial Corporation earnings presentation, posted on its website November 4, 2024, providing information on the third quarter 2024 results of operations.

99.4 CNA Financial Corporation earnings remarks, posted on its website November 4, 2024, providing information on the third quarter 2024 results of operations.

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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.

CNA Financial Corporation (Registrant)

Date:  November 4, 2024By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202410210000021175falseCommon Stock, Par value $2.50"CNA"00000211752024-10-212024-10-210000021175exch:XNYS2024-10-212024-10-210000021175exch:XCHI2024-10-212024-10-21

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) October 21, 2024

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On October 21, 2024, the registrant issued a press release announcing its preliminary third quarter 2024 pretax net catastrophe loss estimates and fourth quarter 2024 pretax net catastrophe loss estimates for Hurricane Milton. A copy of the press release is attached as Exhibit 99.1 and is incorporated by reference herein. The information under Item 2.02 and in Exhibit 99.1 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibit 99.1 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued October 21, 2024, providing preliminary information on the third quarter 2024 results of operations.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  October 21, 2024By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202407290000021175falseCommon Stock, Par value $2.50"CNA"00000211752024-07-292024-07-290000021175exch:XNYS2024-07-292024-07-290000021175exch:XCHI2024-07-292024-07-29

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) July 29, 2024

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On July 29, 2024, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement, earnings presentation and earnings remarks providing information on its results of operations for the second quarter 2024. The press release is furnished as Exhibit 99.1, the financial supplement is furnished as Exhibit 99.2, the earnings presentation is furnished as Exhibit 99.3 and the earnings remarks are furnished as Exhibit 99.4 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1, 99.2, 99.3 and 99.4 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued July 29, 2024, providing information on the second quarter 2024 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website July 29, 2024, providing supplemental financial information on the second quarter 2024.

99.3 CNA Financial Corporation earnings presentation, posted on its website July 29, 2024, providing information on the second quarter 2024 results of operations.

99.4 CNA Financial Corporation earnings remarks, posted on its website July 29, 2024, providing information on the second quarter 2024 results of operations.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  July 29, 2024By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202405060000021175falseCommon Stock, Par value $2.50"CNA"00000211752024-05-062024-05-060000021175exch:XNYS2024-05-062024-05-060000021175exch:XCHI2024-05-062024-05-06

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) May 6, 2024

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On May 6, 2024, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement providing information on its results of operations for the first quarter 2024. The press release is furnished as Exhibit 99.1 and the financial supplement is furnished as Exhibit 99.2 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued May 6, 2024, providing information on the first quarter 2024 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website May 6, 2024, providing supplemental financial information on the first quarter 2024.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  May 6, 2024By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202402050000021175falseCommon Stock, Par value $2.50"CNA"00000211752024-02-052024-02-050000021175exch:XNYS2024-02-052024-02-050000021175exch:XCHI2024-02-052024-02-05

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 5, 2024

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On February 5, 2024, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement providing information on its results of operations for the fourth quarter and year ended December 31, 2023. The press release is furnished as Exhibit 99.1 and the financial supplement is furnished as Exhibit 99.2 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued February 5, 2024, providing information on the fourth quarter and year ended December 31, 2023 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website February 5, 2024, providing supplemental financial information on the fourth quarter and year ended December 31, 2023.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  February 5, 2024By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202310300000021175falseCommon Stock, Par value $2.50"CNA"00000211752023-10-302023-10-300000021175exch:XNYS2023-10-302023-10-300000021175exch:XCHI2023-10-302023-10-30

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) October 30, 2023

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On October 30, 2023, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement providing information on its results of operations for the third quarter 2023. The press release is furnished as Exhibit 99.1 and the financial supplement is furnished as Exhibit 99.2 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued October 30, 2023, providing information on the third quarter 2023 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website October 30, 2023, providing supplemental financial information on the third quarter 2023.

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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.

CNA Financial Corporation (Registrant)

Date:  October 30, 2023By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202307310000021175falseCommon Stock, Par value $2.50"CNA"00000211752023-07-312023-07-310000021175exch:XNYS2023-07-312023-07-310000021175exch:XCHI2023-07-312023-07-31

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) July 31, 2023

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On July 31, 2023, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement providing information on its results of operations for the second quarter 2023. The press release is furnished as Exhibit 99.1 and the financial supplement is furnished as Exhibit 99.2 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued July 31, 2023, providing information on the second quarter 2023 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website July 31, 2023, providing supplemental financial information on the second quarter 2023.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  July 31, 2023By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202305010000021175falseCommon Stock, Par value $2.50"CNA"00000211752023-05-012023-05-010000021175exch:XNYS2023-05-012023-05-010000021175exch:XCHI2023-05-012023-05-01

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) May 1, 2023

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On May 1, 2023, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement providing information on its results of operations for the first quarter 2023. The press release is furnished as Exhibit 99.1 and the financial supplement is furnished as Exhibit 99.2 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued May 1, 2023, providing information on the first quarter 2023 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website May 1, 2023, providing supplemental financial information on the first quarter 2023.

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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.

CNA Financial Corporation (Registrant)

Date:  May 1, 2023By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202302060000021175falseCommon Stock, Par value $2.50"CNA"00000211752023-02-062023-02-060000021175exch:XNYS2023-02-062023-02-060000021175exch:XCHI2023-02-062023-02-06

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 6, 2023

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On February 6, 2023, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement providing information on its results of operations for the fourth quarter and year ended December 31, 2022. The press release is furnished as Exhibit 99.1 and the financial supplement is furnished as Exhibit 99.2 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued February 6, 2023, providing information on the fourth quarter and year ended December 31, 2022 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website February 6, 2023, providing supplemental financial information on the fourth quarter and year ended December 31, 2022.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  February 6, 2023By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202210310000021175falseCommon Stock, Par value $2.50"CNA"00000211752022-10-312022-10-310000021175exch:XNYS2022-10-312022-10-310000021175exch:XCHI2022-10-312022-10-31

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) October 31, 2022

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On October 31, 2022, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement providing information on its results of operations for the third quarter 2022. The press release is furnished as Exhibit 99.1 and the financial supplement is furnished as Exhibit 99.2 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued October 31, 2022, providing information on the third quarter 2022 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website October 31, 2022, providing supplemental financial information on the third quarter 2022.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  October 31, 2022By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202208010000021175falseCommon Stock, Par value $2.50"CNA"00000211752022-08-012022-08-010000021175exch:XNYS2022-08-012022-08-010000021175exch:XCHI2022-08-012022-08-01

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 1, 2022

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On August 1, 2022, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement providing information on its results of operations for the second quarter 2022. The press release is furnished as Exhibit 99.1 and the financial supplement is furnished as Exhibit 99.2 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued August 1, 2022, providing information on the second quarter 2022 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website August 1, 2022, providing supplemental financial information on the second quarter 2022.

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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.

CNA Financial Corporation (Registrant)

Date:  August 1, 2022By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202205020000021175falseCommon Stock, Par value $2.50"CNA"00000211752022-05-022022-05-020000021175exch:XNYS2022-05-022022-05-020000021175exch:XCHI2022-05-022022-05-02

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) May 2, 2022

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On May 2, 2022, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement providing information on its results of operations for the first quarter 2022. The press release is furnished as Exhibit 99.1 and the financial supplement is furnished as Exhibit 99.2 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued May 2, 2022, providing information on the first quarter 2022 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website May 2, 2022, providing supplemental financial information on the first quarter 2022.

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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.

CNA Financial Corporation (Registrant)

Date:  May 2, 2022By/s/ Scott R. Lindquist (Signature) Scott R. Lindquist Executive Vice President and Chief Financial Officer

cna-202202070000021175falseCommon Stock, Par value $2.50"CNA"00000211752022-02-072022-02-070000021175exch:XNYS2022-02-072022-02-070000021175exch:XCHI2022-02-072022-02-07

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) February 7, 2022

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On February 7, 2022, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement providing information on its results of operations for the fourth quarter and year ended December 31, 2021. The press release is furnished as Exhibit 99.1 and the financial supplement is furnished as Exhibit 99.2 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued February 7, 2022, providing information on the fourth quarter and year ended December 31, 2021 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website February 7, 2022, providing supplemental financial information on the fourth quarter and year ended December 31, 2021.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  February 7, 2022By/s/ Larry Haefner (Signature) Larry Haefner Interim Chief Financial Officer

cna-202111010000021175falseCommon Stock, Par value $2.50"CNA"00000211752021-11-012021-11-010000021175exch:XNYS2021-11-012021-11-010000021175exch:XCHI2021-11-012021-11-01

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 1, 2021

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On November 1, 2021, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement providing information on its results of operations for the third quarter 2021. The press release is furnished as Exhibit 99.1 and the financial supplement is furnished as Exhibit 99.2 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued November 1, 2021, providing information on the third quarter 2021 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website November 1, 2021, providing supplemental financial information on the third quarter 2021.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  November 1, 2021By/s/ Larry Haefner (Signature) Larry Haefner Interim Chief Financial Officer

cna-202108020000021175falseCommon Stock, Par value $2.50"CNA"00000211752021-08-022021-08-020000021175exch:XNYS2021-08-022021-08-020000021175exch:XCHI2021-08-022021-08-02

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 2, 2021

CNA FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-582336-6169860 (State or other jurisdiction(Commission(IRS Employer of incorporation)File Number)Identification No.)

151 N. Franklin Chicago, IL 60606 (Address of principal executive offices) (Zip Code) (312) 822-5000 (Registrant's telephone number, including area code)

NOT APPLICABLE

(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 $2.50"CNA"New York Stock Exchange Chicago Stock Exchange

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 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. ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On August 2, 2021, the registrant issued a press release and posted on its website (www.cna.com) a financial supplement providing information on its results of operations for the second quarter 2021. The press release is furnished as Exhibit 99.1 and the financial supplement is furnished as Exhibit 99.2 to this Form 8-K. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information under Item 2.02 and in Exhibits 99.1 and 99.2 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits: See Exhibit Index.

EXHIBIT INDEX

Exhibit No.Description 99.1 CNA Financial Corporation press release, issued August 2, 2021, providing information on the second quarter 2021 results of operations.

99.2 CNA Financial Corporation financial supplement, posted on its website August 2, 2021, providing supplemental financial information on the second quarter 2021.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNA Financial Corporation (Registrant)

Date:  August 2, 2021By/s/ Albert J. Miralles (Signature) Albert J. Miralles Executive Vice President and Chief Financial Officer