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Date of Report (Date of earliest event reported): July 29, 2025

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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)

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☐ 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:

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 o

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. o Item 5.07 Submission of Matters to a Vote of Security Holders.

On July 29, 2025, Samsara Inc. (the “Company”) held its annual meeting of stockholders (the “Annual Meeting”). The Company’s stockholders voted on the following three proposals, which are described in more detail in the Company’s definitive proxy statement filed with the United States Securities and Exchange Commission on June 2, 2025 (the “Proxy Statement”):

(1)to elect nine directors to the Board of Directors of the Company until the next annual meeting of stockholders and until their respective successors are elected and qualified;

(2)to ratify the appointment of Deloitte & Touche LLP, an independent registered public accounting firm, as auditors for the fiscal year ending January 31, 2026; and

(3)to vote on the compensation of our named executive officers.

Each of the following nominees was elected to serve as a director and to hold office until the Company’s next annual meeting of stockholders and until his or her respective successor has been duly elected and qualified, or until such director’s earlier death, resignation, or removal, based on the following results of voting:

The appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending January 31, 2026 was ratified based on the following results of voting:

The vote to approve the compensation of our named executive officers was ratified based on the following results of voting:

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.