CH4 Natural Solutions Acquisition Sponsor Manager, LLC - 04 May 2026 Form 4 Insider Report for CH4 Natural Solutions Corp (MTNE-UN)

Reporting relationship: 10%+ Owner
Issuer ticker: MTNE-UN
Reported as of: 04 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 04 May 2026, 21:20:18 UTC
Source filing: View source filing
Reporting owner signature: /s/ Arthuros Mangriotis, CH4 Natural Solutions Acquisition Sponsor Manager, LLC, By: Arthuros Mangriotis, Authorized Person

Key filing fact

CH4 Natural Solutions Acquisition Sponsor Manager, LLC filed Form 4 for CH4 Natural Solutions Corp (MTNE-UN) on 04 May 2026.

Key facts

This page summarizes CH4 Natural Solutions Acquisition Sponsor Manager, LLC's Form 4 filing for CH4 Natural Solutions Corp (MTNE-UN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 04 May 2026, 21:20.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (3)

CIK 0002114730 Primary reporting owner

CH4 Natural Solutions Acquisition Sponsor Manager, LLC

Relationship: 10%+ Owner
Address: C/O RIVERSTONE EARTH LLC, 712 FIFTH AVENUE, 36TH FLOOR, NEW YORK
Signature: /s/ Arthuros Mangriotis, CH4 Natural Solutions Acquisition Sponsor Manager, LLC, By: Arthuros Mangriotis, Authorized Person
Signature date: 04 May 2026

CIK 0002115003

Riverstone Earth LLC

Relationship: 10%+ Owner
Address: C/O RIVERSTONE EARTH LLC, 712 FIFTH AVENUE, 36TH FLOOR, NEW YORK
Signature: /s/ Arthuros Mangriotis, Riverstone Earth LLC, By: Arthuros Mangriotis, Attorney-in-fact
Signature date: 04 May 2026

CIK 0001222726

LEUSCHEN DAVID M

Relationship: Chairman and CEO, Director, 10%+ Owner
Address: C/O RIVERSTONE EARTH LLC, 712 FIFTH AVENUE, 36TH FLOOR, NEW YORK
Signature: /s/ Arthuros Mangriotis, David Leuschen, By: Arthuros Mangriotis, Attorney-in-fact
Signature date: 04 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MTNE-UN transaction

Class A Ordinary Shares

Purchase

Transaction value
Shares: +200,000
Change %
Price
Shares after: 200,000
Date: 04 May 2026
Ownership: See footnote
Footnotes: F1, F2

MTNE-UN transaction

Class A Ordinary Shares

Purchase

Transaction value
Shares: +200,000
Change %
Price
Shares after: 200,000
Date: 04 May 2026
Ownership: See footnote
Footnotes: F1, F2

MTNE-UN transaction

Class A Ordinary Shares

Purchase

Transaction value
Shares: +200,000
Change %
Price
Shares after: 200,000
Date: 04 May 2026
Ownership: See footnote
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Simultaneously with the consummation of CH4 Natural Solution Corporation's (the "Issuer") initial public offering, CH4 Natural Solutions Acquisition Security Holdings LLC ("Security Holdings") acquired, at a price of $10.00 per unit, 200,000 private placement units of the Issuer. Each private placement unit consists of one Class A ordinary share and one-half of one warrant. The warrants included in the private placement units will become exercisable, if at all, 30 days after the completion of the Issuer's initial business combination (the "Business Combination"), and will expire five years after the completion of the Business Combination or earlier upon redemption or liquidation.

Footnote F2

Security Holdings is the record holder of the securities reported herein. CH4 Natural Solutions Acquisition Sponsor Manager, LLC is the managing member of Security Holdings. Riverstone Earth LLC is the managing member of CH4 Natural Solutions Acquisition Sponsor Manager, LLC. David Leuschen is the sole member of Riverstone Earth LLC. As such, CH4 Natural Solutions Acquisition Sponsor Manager, LLC, Riverstone Earth LLC and David Leuschen may be deemed to have or share beneficial ownership of the private placement units held directly by Security Holdings. Such entity or person disclaims any beneficial ownership of such securities held by Security Holdings other than to the extent of any pecuniary interest they may have therein, directly or indirectly, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or any other purpose.