[144] Guidewire Software, Inc. SEC Filing

Rhea-AI Filing Summary

Guidewire Software, Inc. insider John P. Mullen filed a notice under Rule 144 to sell 7975 shares of common stock through Morgan Stanley Smith Barney LLC on the NYSE, with an approximate sale date of 12/16/2025 and an aggregate market value of 1531806.82.

The shares to be sold were acquired on 12/15/2025 as compensation in the form of restricted stock units from the issuer. Over the prior three months, Mullen reported additional common stock sales of 3000 shares on 12/01/2025 for gross proceeds of 640320, 3000 shares on 11/03/2025 for 695550, 3000 shares on 10/01/2025 for 692190, and 15869 shares on 09/16/2025 for 3854054.08. He represents that he does not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 38th Floor New York NY 10004	7975	1531806.82	85019176	12/16/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	12/15/2025	Acquired as compensation - Restricted Stock Units	Issuer			7975	12/15/2025	N/A (acquired as compensation)

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
John P. Mullen c/o Guidewire Software, Inc. 970 Park Pl, Suite 200 San Mateo CA 94403	Common Stock	12/01/2025	3000	640320
John P. Mullen c/o Guidewire Software, Inc. 970 Park Pl, Suite 200 San Mateo CA 94403	Common Stock	11/03/2025	3000	695550
John P. Mullen c/o Guidewire Software, Inc. 970 Park Pl, Suite 200 San Mateo CA 94403	Common Stock	10/01/2025	3000	692190
John P. Mullen c/o Guidewire Software, Inc. 970 Park Pl, Suite 200 San Mateo CA 94403	Common Stock	09/16/2025	15869	3854054.08

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)