SCHEDULE 13G 0001062103 XXXXXXXX LIVE Class A Common Stock, $0.001 par value per share 12/31/2025 0002069785 GLOO HOLDINGS, INC. 379598105 831 Pearl Street Boulder CO 80302 Rule 13d-1(d) Jack D. Furst X1 255555.00 1902299.00 255555.00 1902299.00 2157854.00 18.0 IN GLOO HOLDINGS, INC. 831 Pearl Street, Boulder, CO, 80302. Jack D. Furst c/o Gloo Holdings, Inc. 831 Pearl Street Boulder, CO, 80302 United States of America Y See the response to Item 9 on the attached cover page. See the response to Item 11 on the attached cover page. Percentage ownership is calculated based on 10,246,088 shares of Class A common stock of the Issuer outstanding as of December 31, 2025. For purposes hereof, shares reported as beneficially owned by Jack D. Furst (the "Reporting Person") include shares held by another stockholder of the Issuer or which such other stockholder has the right to acquire within 60 days of the date of this filing, over which, under all but certain limited circumstances, the Reporting Person holds an irrevocable proxy pursuant to the voting agreement. Assumes the conversion of the shares of Class B common stock beneficially owned by the Reporting Person into Class A common stock. Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A Common Stock. In addition, each share of Class B common stock will convert automatically into one share of Class A common stock upon transfer, whether or not for value, except for certain transfers exempted by the Issuer's amended and restated certificate of incorporation. See the response to Item 5 on the attached cover page. Consists of (i) 250,000 shares of Class A common stock held by the Reporting Person and (ii) 5,555 shares of Class A common stock subject to options exercisable within the date of this filing of December 31, 2025 held by the Reporting Person. See Row 6 of cover page for the Reporting Person. Consists of (i) 732,856 shares of Class B common stock held by Oak Stream Investors III, Ltd. for which Oak Stream Ranch is the general partner, for which the Reporting Person serves as chairman of the board; (ii) 544,444 shares of Class B common stock held by JAJO Partners, LP for which JAJO LLC is the general partner, for which the Reporting Person serves as president; (iii) 458,333 shares of Class B common stock held by InspireHub, Inc. for which the Reporting Person serves as a director; and (iv) a warrant exercisable for 166,666 shares of Class B common stock held of record by FMAB Partners, LP. Mr. Furst is the president of JAJO LLC which is the general partner of JAJO Partners LP, and FMAB Partners, LP and may be deemed to have beneficial ownership of such shares. Assumes the conversion of the shares of Class B common stock beneficially owned by the Reporting Person into Class A common stock. Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A Common Stock. In addition, each share of Class B common stock will convert automatically into one share of Class A common stock upon transfer, whether or not for value, except for certain transfers exempted by the Issuer's amended and restated certificate of incorporation. See Row 7 of cover page for the Reporting Person. Consists of (i) 250,000 shares of Class A common stock held by the Reporting Person and (ii) 5,555 shares of Class A common stock subject to options exercisable within 60 days of the date of this filing held by the Reporting Person. See Row 8 of cover page for the Reporting Person. Consists of (i) 732,856 shares of Class B common stock held by Oak Stream Investors III, Ltd. for which Oak Stream Ranch is the general partner, for which the Reporting Person serves as chairman of the board; (ii) 544,444 shares of Class B common stock held by JAJO Partners, LP for which JAJO LLC is the general partner, for which the Reporting Person serves as president; (iii) 458,333 shares of Class B common stock held by InspireHub, Inc. for which the Reporting Person serves as a director; and (iv) a warrant exercisable for 166,666 shares of Class B common stock held of record by FMAB Partners, LP. Mr. Furst is the president of JAJO LLC which is the general partner of JAJO Partners LP, and FMAB Partners, LP and may be deemed to have beneficial ownership of such shares. Assumes the conversion of the shares of Class B common stock beneficially owned by the Reporting Person into Class A common stock. Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A Common Stock. In addition, each share of Class B common stock will convert automatically into one share of Class A common stock upon transfer, whether or not for value, except for certain transfers exempted by the Issuer's amended and restated certificate of incorporation. Y Y Y Y Y Y Jack D. Furst /s/ Jack D. Furst 02/13/2026