Gloo Holdings, Inc.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934

(AMENDMENT NO. )

Filed by the Registrant ☒

Filed by a party other than the Registrant ☐

Check the appropriate box:

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

831 PEARL STREET

BOULDER, COLORADO 80302

NOTICE OF 2026 ANNUAL MEETING OF STOCKHOLDERS

To Be Held at 10:00 a.m., Mountain Time, on Monday, July 13, 2026

Dear Fellow Stockholders:

We are pleased to invite you to attend the 2026 annual meeting of stockholders of Gloo Holdings, Inc., to be held on Monday, July 13, 2026 at 10:00 a.m., Mountain Time. The annual meeting will be conducted virtually via live audio webcast. We are committed to ensuring that stockholders are afforded the same rights and opportunities to participate as they would at an in-person meeting. You will be able to attend the annual meeting virtually by visiting www.virtualshareholdermeeting.com/GLOO2026, where you will be able to listen to the meeting live, submit questions and vote online.

We are holding the annual meeting to act upon the following matters, as more fully described in the accompanying proxy statement:

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to elect three Class I directors to hold office until our 2029 annual meeting of stockholders and until their respective successors are elected and qualified or until their earlier death, resignation or removal;

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to ratify the appointment of Crowe LLP as our independent registered public accounting firm for our fiscal year ending January 31, 2027; and

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to transact other business that may properly come before the annual meeting or any adjournments or postponements thereof.

Our board of directors has fixed the close of business on Friday, May 15, 2026 as the record date for the annual meeting. Only stockholders of record on May 15, 2026 are entitled to notice of and to vote at the annual meeting. Further information regarding voting rights and the matters to be voted upon is presented in the accompanying proxy statement.

Important Notice Regarding the Availability of Proxy Materials for the 2026 Annual Meeting of Stockholders to Be Held on July 13, 2026. We are mailing to our stockholders a Notice of Internet Availability of Proxy Materials (the “Notice”), containing instructions on how to access our proxy statement for our annual meeting and our annual report to stockholders over the Internet. The Notice provides instructions on how to vote and includes instructions on how to receive a copy of our proxy materials and annual report by mail or e-mail. The Notice, our proxy statement and our annual report to stockholders can be accessed directly at the following Internet address: www.proxyvote.com, using the 16-digit control number located on the Notice or, if you requested to receive a printed copy of the proxy materials, your accompanying proxy card.

YOUR VOTE IS IMPORTANT. Whether or not you plan to attend the annual meeting, we urge you to submit your vote via the Internet, telephone or mail as soon as possible to ensure your shares are represented. For additional instructions on voting by telephone or the Internet, please refer to your proxy card. Returning the proxy does not deprive you of your right to attend the annual meeting and to vote your shares at the annual meeting.

On behalf of the directors, management and employees of Gloo, thank you for your continued support of and ownership in our company.

By order of the Board of Directors,

Scott Beck

President and Chief Executive Officer

Boulder, Colorado

May 27, 2026

TABLE OF CONTENTS

PROXY STATEMENT

FOR 2026 ANNUAL MEETING OF STOCKHOLDERS

To be held at 10:00 a.m., Mountain Time, on Monday, July 13, 2026

The information provided in the “question and answer” format below is for your convenience only and is merely a summary of the information contained in this proxy statement. You should read this entire proxy statement carefully.