Guidewire Software (NYSE: GWRE) CEO Michael Rosenbaum discloses 1,400-share stock sale

Rhea-AI Filing Summary

Guidewire Software, Inc. insider trade disclosed: Guidewire Software's Chief Executive Officer and director Michael George Rosenbaum reported selling 1,400 shares of common stock on 12/08/2025 at a price of $210.87 per share. After this transaction, he beneficially owns 248,158 shares of Guidewire common stock. The sale was executed under an automatic Rule 10b5-1 trading plan that he adopted on October 15, 2024, which pre-schedules trades under set conditions.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Rosenbaum Michael George

(Last) (First) (Middle)

C/O GUIDEWIRE SOFTWARE, INC.

970 PARK PL, SUITE 200

(Street)

SAN MATEO CA 94403

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Guidewire Software, Inc. [ GWRE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
12/08/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/08/2025		S(1)		1,400	D	$210.87	248,158	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Automatic sale pursuant to a 10b5-1 Trading Plan adopted by the Reporting Person on October 15, 2024.

Remarks:

	By: Winston King, Attorney-in-Fact for Michael George Rosenbaum	12/08/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Guidewire Software (GWRE) report in this Form 4?

Guidewire Software reported that Chief Executive Officer and director Michael George Rosenbaum sold 1,400 shares of the company’s common stock on 12/08/2025 at $210.87 per share.

How many Guidewire Software (GWRE) shares does the reporting person hold after the sale?

Following the reported sale, Michael George Rosenbaum beneficially owns 248,158 shares of Guidewire Software common stock.

Was the Guidewire Software (GWRE) insider sale made under a Rule 10b5-1 plan?

Yes. The filing states the sale was an automatic sale pursuant to a 10b5-1 Trading Plan adopted by Michael George Rosenbaum on October 15, 2024.

What is Michael George Rosenbaum’s role at Guidewire Software (GWRE)?

Michael George Rosenbaum is identified as both a Director and an Officer of Guidewire Software, serving as the company’s Chief Executive Officer.

Does this Form 4 include any derivative security transactions for Guidewire Software (GWRE)?

No. The section for derivative securities shows no reported acquisitions or dispositions; the reported activity involves only common stock.

Who signed the Guidewire Software (GWRE) Form 4 for this insider transaction?

The Form 4 was signed By: Winston King, Attorney-in-Fact for Michael George Rosenbaum on 12/08/2025.