Material Agreement (Form 8-K)

Item 1.01 Entry into a Material Definitive Agreement

On January 29, 2026, Sight Sciences, Inc. (the "Company") entered into that certain Second Amendment to Multi-Tenant Space Lease (the "Second Amendment") with Deerfield Campbell, LLC (the "Lessor"), for the Company's headquarters located at 4040 Campbell Avenue (Suites 100 and 120), Menlo Park, California 94025. The Second Amendment amends that certain Multi-Tenant Space Lease, dated February 5, 2021, and that certain Commencement Date/Acceptance Agreement, dated August 1, 2021, between the Company and Lessor, as amended pursuant to that certain First Amendment to Multi-Tenant Space Lease, effective as of December 15, 2023, between the Company and Lessor (collectively, the "Existing Lease"). Pursuant to the Second Amendment, the term of the Existing Lease will be extended for a period of twenty-six (26) months commencing on November 1, 2026 and expiring on December 31, 2028. The base monthly rent for the twenty-six (26) month extension period will be as follows:

The foregoing description of the Second Amendment does not purport to be complete and is subject to and qualified in its entirety by reference to the full and complete text of the Second Amendment, which will be filed as an exhibit to the Company's Annual Report on Form 10-K for the fiscal year ending December 31, 2025.