Guidewire Software (GWRE) CEO auto-sells 1,200 shares via 10b5-1 plan

Rhea-AI Filing Summary

Guidewire Software, Inc. insider trading report: Chief Executive Officer and director Michael George Rosenbaum sold 1,200 shares of Guidewire common stock at $127.77 per share on February 9, 2026. The transaction was an automatic sale under a pre-arranged Rule 10b5-1 trading plan adopted on October 14, 2025.

After this sale, Rosenbaum beneficially owned 231,943 shares of Guidewire common stock in direct ownership form.

Insider Trade Summary

Net Seller: 1,200 shares ($153,324)

Net Sell 1 txn

Insider Rosenbaum Michael George

Role Chief Executive Officer

Sold 1,200 shs ($153K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,200	$127.77	$153K

Holdings After Transaction: Common Stock — 231,943 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)
02/09/2026

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	02/09/2026		S(1)		1,200	D	$127.77	231,943	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	02/10/2026
	** 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 did Guidewire Software (GWRE) disclose in this Form 4 filing?

Guidewire Software reported that CEO and director Michael George Rosenbaum sold 1,200 shares of common stock. The sale occurred on February 9, 2026 at $127.77 per share under a pre-arranged Rule 10b5-1 trading plan, and he retained 231,943 shares afterward.

How many Guidewire (GWRE) shares did the CEO sell and at what price?

Michael George Rosenbaum sold 1,200 shares of Guidewire common stock at $127.77 per share. This insider sale was executed on February 9, 2026 and was carried out automatically under a previously adopted Rule 10b5-1 trading plan.

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

After the reported sale, CEO Michael George Rosenbaum beneficially owned 231,943 shares of Guidewire common stock. These shares are reported as directly held, reflecting his remaining equity stake following the automatic 1,200-share sale on February 9, 2026.

Was the Guidewire (GWRE) CEO’s stock sale discretionary or under a 10b5-1 plan?

The sale was made under a Rule 10b5-1 trading plan. The filing notes it was an automatic sale pursuant to a trading plan that Rosenbaum adopted on October 14, 2025, which schedules trades in advance to reduce discretion at the time of sale.

What is the role of Michael George Rosenbaum at Guidewire Software (GWRE)?

Michael George Rosenbaum is both Chief Executive Officer and a director of Guidewire Software, Inc. The Form 4 identifies him in these roles while reporting his automatic sale of 1,200 shares of common stock and his resulting direct ownership of 231,943 shares.