Extra Space Storage Inc.

0001289490 false 0001289490 2026-05-14 2026-05-14 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 May 14, 2026 (Date of Report (Date of Earliest Event Reported)) EXTRA SPACE STORAGE INC. (Exact Name of Registrant as Specified in Its Charter) Maryland 001-32269 20-1076777 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification Number) 2795 East Cottonwood Parkway, Suite 300 Salt Lake City , Utah 84121 (Address of Principal Executive Offices) ( 801 ) 365-4600 (Registrant’s Telephone Number, Including Area Code) 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 Securities Exchange Act of 1934 Title of each class Trading symbol Name of each exchange on which registered Common Stock, $0.01 par value EXR 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 or 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 The 2026 annual meeting of stockholders of Extra Space Storage Inc. (the “Company”) was held on May 14, 2026. Set forth below is a brief description of each matter voted on at the Annual Meeting and the final voting results. Proposal 1. The election of 10 members of the Company’s board of directors for terms expiring at the 2027 annual meeting of stockholders and until their successors are duly elected and qualify. Director Votes For Votes Against Votes Abstain Broker Non-Vote 1. Kenneth M. Woolley 184,774,472 6,283,927 68,691 8,412,000 2. Joseph D. Margolis 190,559,989 533,701 33,400 8,412,000 3. Mark G. Barberio 184,735,207 6,241,600 150,283 8,412,000 4. Joseph J. Bonner 189,233,791 1,398,341 494,958 8,412,000 5. Gary L. Crittenden 189,035,492 2,059,318 32,280 8,412,000 6. Susan Harnett 188,917,055 1,714,170 495,865 8,412,000 7. Crystal Call Maggelet 190,503,638 591,408 32,044 8,412,000 8. R.J. Pittman 190,490,725 598,840 37,525 8,412,000 9. Joseph V. Saffire 190,524,767 563,022 39,301 8,412,000 10. Julia Vander Ploeg 187,057,113 4,034,462 35,515 8,412,000 Proposal 2. The ratification of the Audit Committee's selection of Ernst & Young LLP as the Company’s independent registered public accounting firm for 2026. Votes For Votes Against Votes Abstain Broker Non-Vote 189,315,222 10,151,639 72,229 — Proposal 3. The approval, on an advisory basis, of the compensation paid to the Company's named executive officers, as disclosed in the Company’s proxy statement. Votes For Votes Against Votes Abstain Broker Non-Vote 176,329,146 12,764,521 2,033,423 8,412,000 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. EXTRA SPACE STORAGE INC. Date: May 15, 2026 By /s/ Jeff Norman Name: Jeff Norman Title: Executive Vice President and Chief Financial Officer