X0202 SCHEDULE 13G/A 0001657662-26-000001 0001657662 XXXXXXXX LIVE 4 Common Stock 03/31/2026 0001531177 Sight Sciences, Inc. 82657M105 4040 CAMPBELL AVE, SUITE 100 MENLO PARK CA 94025 Rule 13d-1(d) KCK LTD. D0 0.00 1438094.00 0.00 1438094.00 1438094.00 2.7 OO Nael Karim Kassar I0 0.00 1438094.00 0.00 1438094.00 1438094.00 2.7 IN Sight Sciences, Inc. 4040 CAMPBELL AVE,, SUITE 100, MENLO PARK, CALIFORNIA, 94025. KCK Ltd. Nael Karim Kassar KCK Ltd. Corner House 20 Parliament Street Hamilton, Bermuda HM12 Bermuda Y 1,438,094 shares of Common Stock* The ownership percentage reported is based on 54,005,984 shares of Common Stock outstanding as of February 26, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the SEC on March 4, 2026. See Item 5 on the cover page(s) hereto. See Item 6 on the cover page(s) hereto. See Item 7 on the cover page(s) hereto. See Item 8 on the cover page(s) hereto. Y Y Y Y Y Y KCK LTD. /s/ Raphael Metz 04/08/2026 Nael Karim Kassar /s/ Nael Karim Kassar 04/08/2026