Kyle Derham - Sep 30, 2025 Form 3 Insider Report for Rice Acquisition Corp 3 (KRSP)

Role: Chief Executive Officer, Director, 10%+ Owner
Signature: /s/ James Wilmot Rogers, as Attorney-in-Fact
Stock symbol: KRSP
Transactions as of: Sep 30, 2025
Transactions value $: $0
Form type: 3
Date filed: 9/30/2025, 08:51 PM
Previous filing: Jun 2, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Derham Kyle	Chief Executive Officer, Director, 10%+ Owner	102 EAST MAIN STREET, SECOND STORY, CARNEGIE	/s/ James Wilmot Rogers, as Attorney-in-Fact	2025-09-30	0001786795

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	KRSP	Class A ordinary shares						2.5K	Sep 30, 2025	See footnote	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	KRSP	Class A units of Rice Acquisition Holdings 3 LLC							Sep 30, 2025	Class A ordinary shares	100		See footnote	F1, F2
holding	KRSP	Class B units of Rice Acquisition Holdings 3 LLC							Sep 30, 2025	Class A ordinary shares	11.4M		See footnote	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Rice Acquisition Sponsor 3 LLC is the record holder of the shares and units reported herein. Shalennial Acquisition Sponsor 3 LLC ("Rice Sponsor") and Mercuria Energy Group Holding, SA are the members of Rice Acquisition Sponsor 3 LLC, with Rice Sponsor serving as the sole managing member. Rice Sponsor is a wholly owned subsidiary of Shalennial Fund II, L.P. Mr. Derham is a member of the board of managers of Rice Investment Group UGP, LLC, which is the general partner of Shalennial GP II, L.P., which is the general partner of Shalennial Fund II, L.P. As such, Mr. Derham may be deemed to have or share beneficial ownership of the shares and units held directly by Rice Acquisition Sponsor 3 LLC.
F2	For each Class A or Class B unit of Rice Acquisition Holdings 3 LLC ("Opco"), the Reporting Person owns a corresponding Class B ordinary share of the Issuer. In connection with the Issuer's initial business combination, or in certain circumstances described in the Second Amended and Restated Limited Liability Company Agreement of Opco at specified times thereafter, the Class B units of Opco will convert into Class A units of Opco on a one-for-one basis, subject to adjustment. The Class A units of Opco (together with the corresponding Class B ordinary shares of the Issuer) will be exchangeable into Class A ordinary shares of the Issuer after the time of the Issuer's initial business combination on a one-for-one basis and have no expiration date.
F3	Includes 1,500,000 Class A ordinary shares of the Issuer underlying the 1,500,000 Class B units of Opco that are subject to forfeiture if the underwriters of the Issuer's initial public offering of units do not exercise their over-allotment option in full.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney