Guidewire (NYSE: GWRE) chief sells 14,400 shares under 10b5-1 plan

Rhea-AI Filing Summary

Guidewire Software, Inc. (GWRE) reported that President John P. Mullen sold 14,400 shares of common stock on August 19, 2026 at $185.00 per share, in an open-market or private transaction. The sale was executed pursuant to a Rule 10b5-1 Trading Plan adopted on October 14, 2025, and Mullen now holds 116,715 shares directly.

Insider Trade Summary 10b5-1

Net Seller: 14,400 shares

Net Sell 1 txn

Insider Mullen John P

Role President

Sold 14,400 shs ($2.66M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	14,400	$185.00	$2.66M

Holdings After Transaction: Common Stock — 116,715 shares (Direct)

Footnotes (1)

1. F1. Automatic sale pursuant to a 10b5-1 Trading Plan adopted by the Reporting Person on October 14, 2025.

Key Figures

Shares sold: 14,400 shares Sale price per share: $185.00 per share Approximate transaction value: $2,664,000 +1 more

4 metrics

Shares sold 14,400 shares Common stock sale on August 19, 2026

Sale price per share $185.00 per share Common stock transaction on August 19, 2026

Approximate transaction value $2,664,000 14,400 shares sold at $185.00 per share

Shares owned after transaction 116,715 shares Direct ownership following August 19, 2026 sale

Key Terms

Rule 10b5-1 Trading Plan, Form 4, Common Stock

3 terms

Rule 10b5-1 Trading Plan regulatory

"Automatic sale pursuant to a 10b5-1 Trading Plan adopted by the Reporting"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Form 4 regulatory

"INSIDER FILING DATA (Form 4): {"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Common Stock financial

""security_title": "Common Stock","

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

What insider transaction did GWRE report for John P. Mullen?

Guidewire Software’s President, John P. Mullen, reported a sale of 14,400 shares of common stock on August 19, 2026 at $185.00 per share, leaving him with 116,715 shares held directly.

Was the August 19, 2026 GWRE insider sale under a Rule 10b5-1 plan?

Yes. The filing states the 14,400-share sale on August 19, 2026 was an automatic sale pursuant to a Rule 10b5-1 Trading Plan adopted by John P. Mullen on October 14, 2025.

How many GWRE shares does John P. Mullen own after this Form 4 transaction?

After the reported sale, John P. Mullen directly owns 116,715 shares of Guidewire Software, Inc. common stock, according to the Form 4.

What price did the GWRE insider receive for the sold shares?

The reported transaction price was $185.00 per share for the 14,400 shares of Guidewire Software, Inc. common stock sold on August 19, 2026.

What is the approximate dollar value of John P. Mullen’s GWRE share sale?

Multiplying the 14,400 shares sold by the $185.00 price per share results in an approximate transaction value of $2,664,000.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/20/2026 - 04:16 PM Accepted by SEC EDGAR 08/20/2026 - 04:15 PM Learn about SEC filing dates

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^*

Mullen John P

(Last) (First) (Middle)

C/O GUIDEWIRE SOFTWARE, INC.

970 PARK PL, SUITE 200

(Street)

SAN MATEO CALIFORNIA 94403

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/19/2026

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

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

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

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	08/19/2026		S(1)		14,400	D	$185	116,715	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 John P. Mullen	08/20/2026
	** 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.
* Form 4: SEC 1474 (03-26)