MIKE reports sales of GWRE common stock

MIKE reported multiple sales of GWRE common stock under Rule 144, including several transactions from 12/01/2025 through 02/17/2026.

Accepted by SEC EDGAR 02/23/2026 - 04:30 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

MIKE reported multiple sales of GWRE common stock under Rule 144, including several transactions from 12/01/2025 through 02/17/2026. The filing lists individual dispositions such as 6,015 shares on 12/16/2025 for $1,155,337.74 and numerous smaller block sales of 1,200–1,400 shares on other dates.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What transactions does the GWRE Form 144 report show?

The Form 144 lists multiple sales of common stock by MIKE between 12/01/2025 and 02/17/2026, including a sale of 6,015 shares on 12/16/2025 for $1,155,337.74 and several 1,200–1,400 share transactions.

Who is the reporting seller on the GWRE Form 144?

The seller is identified as MIKE with an address at 970 Park Place, Suite 200, San Mateo, CA. Morgan Stanley Smith Barney LLC appears as the broker or filing intermediary listed in the form.

What sizes and prices are shown in the GWRE sales?

Reported trade sizes range from 1,200 to 6,015 shares. Example prices include $1,155,337.74 for 6,015 shares (12/16/2025) and $152,400.00 for 1,200 shares (02/17/2026).

Over what period were the GWRE securities sold as listed?

The listed dispositions occurred between 12/01/2025 and 02/17/2026, with multiple entries in December 2025 and January–February 2026 showing recurring sales by the same reporting holder.

What type of securities were sold in the GWRE Form 144 filing?

The form identifies Common stock, including an entry labeled Restricted Stock dated 09/15/2022. The transaction rows catalog open-market or block dispositions of common shares across multiple dates.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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	0001784996
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	GUIDEWIRE SOFTWARE, INC.
SEC File Number	001-35394
Address of Issuer	970 Park Place, Suite 200 San Mateo CALIFORNIA 94403
Phone	(650) 357-9100
Name of Person for Whose Account the Securities are To Be Sold	MIKE ROSENBAUM
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	Officer
Relationship to Issuer	Director

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1200	150600.00	85019176	02/23/2026	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	09/15/2022	Restricted Stock	ISSUER			1200	09/15/2022	Not Applicable

* 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
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	02/17/2026	1200	152400.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	02/09/2026	1200	153324.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	02/02/2026	1200	168012.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	01/26/2026	1200	192384.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	01/20/2026	1200	187512.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	01/13/2026	1200	217044.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	12/29/2025	1400	286930.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	12/22/2025	1400	281008.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	12/16/2025	6015	1155337.74
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	12/15/2025	1400	286076.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	12/08/2025	1400	295218.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	12/01/2025	1400	298816.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	11/24/2025	1400	298522.00

144: Remarks and Signature

Remarks
Date of Notice	02/23/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	10/14/2025
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	/s/ Michael George Rosenbaum
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)