GWRE Form 144 lists multiple small common-stock sales

GWRE: A Form 144 notice lists multiple planned or completed sales of Common stock by an individual identified as "MIKE" at an address in San Mateo, CA.

Rhea-AI Filing Summary

GWRE: A Form 144 notice lists multiple planned or completed sales of Common stock by an individual identified as "MIKE" at an address in San Mateo, CA. The excerpt shows repeated 1,200-share sales on dates from 01/13/2026 through 03/09/2026, and two 1,400-share sales in December 2025. The filing names Morgan Stanley Smith Barney LLC Executive Financial Services as a broker-dealer.

Insights

Securities Compliance Analyst

Regulation 144 sale notifications for multiple small blocks of common stock.

The excerpt documents a series of sales by an identified seller using a broker-dealer, with repeat transactions of 1,200 shares on multiple dates and two 1,400-share transactions in December 2025. The filing format and broker name align with a routine resale notice under Rule 144.

Cash‑flow treatment and whether these were aggregated by the seller are not stated. Subsequent filings or broker confirmations would show settlement and exact proceeds.

FAQ

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

What does the GWRE Form 144 excerpt show about the seller?

The excerpt shows an individual labeled "MIKE" at a San Mateo address selling multiple blocks of GWRE common stock. It lists repeated 1,200-share sales and two 1,400-share sales with specific sale dates between 12/22/2025 and 03/09/2026.

Which broker-dealer handled the transactions in the GWRE filing?

The filing names Morgan Stanley Smith Barney LLC Executive Financial Services as the broker-dealer. The excerpt ties that broker to the listed common stock sales and includes an NYSE reference in the securities line.

How many shares per trade are listed in the GWRE Form 144 excerpt?

Most transactions in the excerpt are listed as 1,200 shares per trade; two transactions in December 2025 are listed as 1,400 shares. Each row pairs a date with the share count and a dollar amount in the excerpt.

Does the excerpt state total proceeds received from the sales?

The excerpt shows per-transaction dollar figures adjacent to each sale row (for example, $192,384.00 on some dates). It does not aggregate a total proceeds figure across all listed transactions in the provided excerpt.

Are these sales reported as restricted or performance shares in the excerpt?

The excerpt includes separate security rows labeled Performance Shares and Restricted Stock with share counts of 521 and 679 respectively, dated 12/15/2022, but the sales rows shown list Common stock transactions.

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

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Accepted by SEC EDGAR 03/16/2026 - 04:05 PM Learn about SEC filing dates

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	192000.00	84657470	03/16/2026	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	12/15/2022	Performance Shares	ISSUER			521	12/15/2022	Not Applicable
Common	12/15/2022	Restricted Stock	ISSUER			679	12/15/2022	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	03/09/2026	1200	199608.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	03/02/2026	1200	172644.00
MIKE ROSENBAUM 970 Park Place, Suite 200 San Mateo CA 94403	Common	02/23/2026	1200	150600.00
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

144: Remarks and Signature

Remarks
Date of Notice	03/16/2026
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)