Guidewire (GWRE) CEO Rosenbaum sells 1,200 shares in 10b5-1 trade

Rhea-AI Filing Summary

Guidewire Software, Inc. chief executive Michael George Rosenbaum reported an open-market sale of common stock. On 02/17/2026, he sold 1,200 shares at a price of $127 per share under transaction code S. The filing notes this was an automatic sale under a 10b5-1 trading plan adopted on October 14, 2025. Following the transaction, Rosenbaum directly owned 230,743 shares of Guidewire common stock.

Insider Trade Summary

Net Seller: 1,200 shares ($152,400)

Net Sell 1 txn

Insider Rosenbaum Michael George

Role Chief Executive Officer

Sold 1,200 shs ($152K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,200	$127.00	$152K

Holdings After Transaction: Common Stock — 230,743 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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)
02/17/2026

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	02/17/2026		S(1)		1,200	D	$127	230,743	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 14, 2025.

Remarks:

	By: Winston King, Attorney-in-Fact for Michael George Rosenbaum	02/17/2026
	** 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 GWRE CEO Michael George Rosenbaum report?

Michael George Rosenbaum reported an open-market sale of 1,200 Guidewire common shares. The transaction occurred on 02/17/2026 at a price of $127 per share, and was disclosed as a routine Section 16 Form 4 filing.

At what price did the GWRE CEO sell his Guidewire shares?

The CEO sold his Guidewire common shares at $127 per share. This price applied to 1,200 shares sold in an open-market transaction on 02/17/2026, according to the Form 4 insider trading report.

How many Guidewire (GWRE) shares does the CEO own after this sale?

After the reported sale, the CEO beneficially owns 230,743 Guidewire common shares directly. This figure reflects his holdings following the 1,200-share open-market sale reported for 02/17/2026 on the Form 4.

Was the GWRE CEO’s share sale part of a 10b5-1 trading plan?

Yes, the sale occurred under an automatic 10b5-1 trading plan. The footnote states the plan was adopted by the reporting person on October 14, 2025, and governed the 1,200-share sale reported on 02/17/2026.

What role does Michael George Rosenbaum hold at Guidewire Software (GWRE)?

Michael George Rosenbaum serves as both a director and the Chief Executive Officer of Guidewire Software, Inc. His dual role is indicated in the Form 4, which lists his positions alongside the reported stock sale.