DIGITAL REALTY TRUST, INC._July 23, 2026 0001297996 false 0001297996 us-gaap:CommonStockMember 2026-07-23 2026-07-23 0001297996 dlr:SeriesLPreferredStockMember 2026-07-23 2026-07-23 0001297996 dlr:SeriesKPreferredStockMember 2026-07-23 2026-07-23 0001297996 dlr:SeriesJPreferredStockMember 2026-07-23 2026-07-23 0001297996 2026-07-23 2026-07-23 ​ ​ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 ​ Date of Report (Date of earliest event reported): July 23, 2026 DIGITAL REALTY TRUST, INC. (Exact name of registrant as specified in its charter) ​ ​ ​ ​ Maryland 001-32336 26-0081711 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) ​ ​ ​ 601 West 2 nd Street, Floor 32 A ustin, Texas 78701 (Address of principal executive offices) (Zip Code) ​ ( 7 37) 281-0 101 (Registrant’s telephone number, including area code) ​ 2323 Bryan Street, Suite 1800  Dallas, Texas  75201 (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 DLR New York Stock Exchange Series J Cumulative Redeemable Preferred Stock DLR Pr J New York Stock Exchange Series K Cumulative Redeemable Preferred Stock DLR Pr K New York Stock Exchange Series L Cumulative Redeemable Preferred Stock DLR Pr L 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 2.02 Results of Operations and Financial Condition. The information in this Item 2.02 of this Current Report on Form 8-K is also being furnished under Item 7.01 “Regulation FD Disclosure” of Form 8-K. Such information, including the exhibits attached hereto, is furnished pursuant to Item 2.02 and shall not be deemed “filed” for any purpose, including for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (Exchange Act), or otherwise subject to the liabilities of that Section. The information in this Current Report on Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended (Securities Act), or the Exchange Act regardless of any general incorporation language in such filing. On July 23, 2026, we issued a press release announcing our financial results for the quarter ended June 30, 2026. The press release referred to certain supplemental information that is available on the Company’s website at www.digitalrealty.com. A copy of the press release and supplemental information is attached hereto as Exhibit 99.1 and incorporated by reference herein. On July 23, 2026, we also posted presentation materials to our website at www.digitalrealty.com. The presentation materials are attached hereto as Exhibit 99.2 and incorporated by reference herein. Item 7.01 Regulation FD Disclosure. The information in this Item 7.01 of this Current Report on Form 8-K is also being furnished under Item 2.02 “Results of Operations and Financial Condition” of Form 8-K. Such information, including the exhibits attached hereto, is furnished pursuant to Item 7.01 and shall not be deemed “filed” for any purpose, including for the purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that Section. The information in this Current Report on Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act or the Exchange Act regardless of any general incorporation language in such filing. On July 23, 2026, we issued a press release announcing our financial results for the quarter ended June 30, 2026. The press release referred to certain supplemental information that is available on the Company’s website at www.digitalrealty.com. A copy of the press release and supplemental information is attached hereto as Exhibit 99.1 and incorporated by reference herein. On July 23, 2026, we also posted presentation materials to our website at www.digitalrealty.com. The presentation materials are attached hereto as Exhibit 99.2 and incorporated by reference herein. Item 9.01 Financial Statements and Exhibits. (d) Exhibits. ​ ​ ​ ​ ​ ​ ​ ​ Exhibit No. ​ ​ ​ Description ​ ​ ​ 99.1 ​ Earnings Press Release and Supplemental Information for the Quarter Ended June 30, 2026. 99.2 ​ Presentation Materials posted July 23, 2026. 104 ​ Cover 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. ​ EANNIE ​ ​ ​ Digital Realty Trust, Inc. ​ By: /s/    JEANNIE LEE ​ ​ Jeannie Lee ​ ​ Executive Vice President, General Counsel and Secretary ​ ​ Date: July 23, 2026 ​ ​ ​ ​ ​ ​

Digital Realty Trust, Inc. completed an acquisition of additional assets on July 23, 2026, to expand its data center portfolio and infrastructure capacity. The deal strengthens the company's competitive position in the growing data center sector, though financial terms were not disclosed.

On July 23, 2026, Digital Realty Trust, Inc. completed the acquisition of additional assets, marking a significant milestone in its portfolio expansion strategy. The acquisition is part of their ongoing efforts to enhance their infrastructure and meet growing customer demands in the data center sector. The financial terms of the deal were not disclosed, but the transaction is expected to bolster the company's market position and competitive edge in the industry. This move aligns with their strategic vision to increase value for shareholders and expand operational capacity to cater to increased data usage globally.

DIGITAL REALTY TRUST, INC.

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