Guidewire CAO sells 2,500 shares at $200

Guidewire Software, Inc. (GWRE) insider David Franklin Peterson, Chief Accounting Officer, reported selling 2,500 shares of common stock on August 27, 2026 at $200.00 per share in an open market or private transaction.

Rhea-AI Filing Summary

Guidewire Software, Inc. (GWRE) insider David Franklin Peterson, Chief Accounting Officer, reported selling 2,500 shares of common stock on August 27, 2026 at $200.00 per share in an open market or private transaction. The sale was executed automatically under a Rule 10b5-1 Trading Plan adopted on October 10, 2025, and Peterson reported owning 9,787 shares directly after the transaction.

Insider Trade Summary 10b5-1

Net Seller: 2,500 shares

Net Sell 1 txn

Insider Peterson David Franklin

Role Chief Accounting Officer

Sold 2,500 shs ($500K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	2,500	$200.00	$500K

Holdings After Transaction: Common Stock — 9,787 shares (Direct)

Footnotes (1)

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

Key Figures

Shares sold: 2,500 shares of Common Stock Sale price per share: $200.00 per share Shares owned after transaction: 9,787 shares

3 metrics

Shares sold 2,500 shares of Common Stock Sale reported on August 27, 2026 by Chief Accounting Officer

Sale price per share $200.00 per share Price for the 2,500-share sale on August 27, 2026

Shares owned after transaction 9,787 shares Direct ownership reported following the August 27, 2026 sale

Key Terms

Rule 10b5-1 Trading Plan, Chief Accounting Officer, open market or private transaction

3 terms

Rule 10b5-1 Trading Plan regulatory

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

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.

Chief Accounting Officer other

"officer_title: Chief Accounting Officer"

A chief accounting officer is a senior executive responsible for overseeing a company's financial records and ensuring all accounting practices are accurate and compliant with regulations. They play a key role in preparing financial reports that help investors understand the company's financial health, much like a trusted navigator guiding a ship through complex waters. Their work ensures transparency and trust in the company's financial information.

open market or private transaction financial

"transaction_code_description: Sale in open market or private transaction"

FAQ

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

What insider transaction did GWRE’s Chief Accounting Officer report?

David Franklin Peterson, Chief Accounting Officer of Guidewire Software, Inc. (GWRE), reported a sale of 2,500 shares of common stock on August 27, 2026 at $200.00 per share in a sale categorized as an open market or private transaction.

How many GWRE shares did the insider sell and at what price?

The insider sold 2,500 shares of Guidewire Software, Inc. common stock at a price of $200.00 per share on August 27, 2026, according to the Form 4 transaction data.

How many GWRE shares does the insider hold after the reported sale?

After the reported sale, David Franklin Peterson reported owning 9,787 shares of Guidewire Software, Inc. common stock, held as direct ownership according to the filing’s post-transaction holdings field.

Was the GWRE insider trade made under a Rule 10b5-1 plan?

Yes. The sale is described as an automatic sale pursuant to a Rule 10b5-1 Trading Plan that David Franklin Peterson adopted on October 10, 2025, and the Form 4’s Rule 10b5-1 checkbox is affirmed.

What role does the reporting person hold at Guidewire Software, Inc. (GWRE)?

The reporting person, David Franklin Peterson, is identified as an officer of Guidewire Software, Inc. with the title Chief Accounting Officer, and is not listed as a director or ten percent owner in the filing.

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

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Available on EDGAR 08/27/2026 - 05:13 PM EDT Accepted by SEC EDGAR 08/27/2026 - 05:12 PM EDT 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^*

Peterson David Franklin

(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)
	Chief Accounting Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/27/2026

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	08/27/2026		S(1)		2,500	D	$200	9,787	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 10, 2025.

Remarks:

	By: Winston King, Attorney-in-Fact for David Franklin Peterson	08/27/2026
	** 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)