Shareholder Vote · Reg FD Disclosure

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 12, 2023   THE PROGRESSIVE CORPORATION (Exact name of registrant as specified in its charter) Ohio 001-09518 34-0963169 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 6300 Wilson Mills Road, Mayfield Village, Ohio   44143 (Address of principal executive offices)   (Zip Code) Registrant’s telephone number, including area code ( 440 ) 461-5000 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: ☐ 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 class Trading Symbol(s) Name of each exchange on which registered Common Stock, $1.00 Par Value PGR New York 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 revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨ Item 5.07 Submission of Matters to a Vote of Security Holders. (a) At The Progressive Corporation's (the "Company") Annual Meeting of Shareholders held on May 12, 2023, 516,664,355 common shares were represented in person or by proxy. (b) At the Annual Meeting, shareholders took the following actions: • Proposal One - Shareholders elected each of the twelve directors named below. The votes cast with respect to each director were as follows: Director Term Expires For Against Abstain Broker Non-Votes Danelle M. Barrett 2024 483,300,407  582,252  377,396  32,404,300  Philip Bleser 2024 477,183,475  6,677,473  399,107  32,404,300  Stuart B. Burgdoerfer 2024 463,444,145  20,429,649  386,261  32,404,300  Pamela J. Craig 2024 480,143,032  3,753,801  363,222  32,404,300  Charles A. Davis 2024 473,509,501  10,369,157  381,397  32,404,300  Roger N. Farah 2024 450,161,453  33,695,931  402,671  32,404,300  Lawton W. Fitt 2024 434,863,536  49,022,813  373,706  32,404,300  Susan Patricia Griffith 2024 481,028,978  2,904,704  326,373  32,404,300  Devin C. Johnson 2024 481,672,229  809,812  1,778,014  32,404,300  Jeffrey D. Kelly 2024 474,418,680  9,427,417  413,958  32,404,300  Barbara R. Snyder 2024 478,506,045  5,389,951  364,059  32,404,300  Kahina Van Dyke 2024 481,653,649  2,231,314  375,092  32,404,300  • Proposal Two - Cast an advisory vote approving our executive compensation program. This proposal received 457,588,388 affirmative votes and 25,916,695 negative votes. There were 754,972 abstentions and 32,404,300 broker non-votes with respect to this proposal. • Proposal Three - Cast an advisory vote on the frequency of the advisory vote approving our executive compensation program. This proposal received 479,476,141 votes for 1 year, 579,474 votes for 2 years, and 3,870,680 votes for 3 years. There were 333,760 abstentions and 32,404,300 broker non-votes with respect to this proposal. • Proposal Four - Ratified the appointment of PricewaterhouseCoopers LLP as the Company ’ s independent registered public accounting firm for 2023. This proposal received 484,756,289 affirmative votes and 27,281,245 negative votes. There were 4,626,821 abstentions and no broker non-votes with respect to this proposal. Item 7.01 Regulation FD Disclosure. On May 12, 2023, the Company's Board of Directors (“the Board”) renewed the Company ’ s authorization to repurchase up to 25 million of the Company ’ s common shares, $1.00 par value, and declared the Company's quarterly common share dividend in the amount of ten cents ($0.10) per share, payable on July 14, 2023, to shareholders of record on July 7, 2023. The Board also declared a dividend on our outstanding Series B Fixed-to-Floating Rate Cumulative Perpetual Serial Preferred Shares (the "Series B Preferred Shares") in the amount of $18.92463 per Series B share, or approximately $9.5 million in the aggregate. The dividend, which is based on the annual rate of 7.40529% (equal to the sum of (i) 3-Month LIBOR as of March 13, 2023, and (ii) 2.539%) of the stated 1 amount of $1,000 per Series B Preferred Share, will be paid on June 15, 2023, to shareholders of record at the close of business on June 1, 2023. The Company, as calculation agent under its Series B Preferred Shares, determined that, in accordance with the successor base rate provisions of the Series B Preferred Shares and the Adjustable Interest Rate (LIBOR) Act and the regulation issued by the Board of Governors of the Federal Reserve System on December 16, 2022, implementing the LIBOR Act, the reference rate for the Series B Preferred Shares for any determination date after June 30, 2023, shall be the sum of (i) 3-Month CME Term SOFR plus (ii) a tenor spread adjustment of 0.26161%. The new reference rate will apply beginning with the determination date applicable to the dividend period commencing September 15, 2023. Item 9.01 Financial Statements and Exhibits. (d) Exhibits See exhibit index on page 4. 2 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. Date: May 15, 2023                              THE PROGRESSIVE CORPORATION                              By : /s/ Mariann Wojtkun Marshall                              Name: Mariann Wojtkun Marshall                          Title: Vice President and Chief Accounting Officer 3 EXHIBIT INDEX Exhibit No. Under Reg. S-K Item 601 Form 8-K Exhibit No. Description 104 104 Cover Page Interactive Data File (the cover page tags are embedded within the Inline XBRL document). 4