Sec Form 13G Filing - CH4 Natural Solutions Acquisition Sponsor LLC filing for - 2026-08-14

Insider filing report for Changes in Beneficial Ownership

  • Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
  • Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
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Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Checkbox not checked   Rule 13d-1(b)
Checkbox not checked   Rule 13d-1(c)
Checkbox checked   Rule 13d-1(d)




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SCHEDULE 13G



Comment for Type of Reporting Person:  (1) Rows 6, 8, and 9: The shares reported above are the Issuer's Class B ordinary shares that are convertible into the Issuer's Class A ordinary shares on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities-Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-284199). CH4 Natural Solutions Acquisition Sponsor LLC, a Cayman Islands limited liability company (the "Sponsor"), is the record holder of the shares reported above. CH4 Natural Solutions Acquisition Sponsor Holdings, LLC, a Delaware limited liability company ("Sponsor Holdings"), is the managing member of the Sponsor. CH4 Natural Solutions Acquisition Sponsor Manager, LLC, a Delaware limited liability company ("Sponsor Manager"), is the managing member of Sponsor Holdings. Riverstone Earth LLC is the managing member of Sponsor Manager. David Leuschen is the sole member of Riverstone Earth LLC. As such, each of Sponsor Holdings, Sponsor Manager, Riverstone Earth LLC and David Leuschen may be deemed to have or share beneficial ownership of the Class B ordinary shares held of record by the Sponsor. Each of Sponsor Holdings, Sponsor Manager, Riverstone Earth LLC and David Leuschen disclaims any beneficial ownership of securities held by the Sponsor other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. (2) Row 11: The percentage is based on the 29,533,334 of the Issuer's ordinary shares outstanding as of August 14, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 14, 2026.


SCHEDULE 13G



Comment for Type of Reporting Person:  (1) Rows 6, 8 and 9: The shares reported above are the Issuer's Class B ordinary shares that are convertible into the Issuer's Class A ordinary shares on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities-Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-284199). The Sponsor is the record holder of the shares reported above. Sponsor Holdings is the managing member of the Sponsor. Sponsor Manager is the managing member of Sponsor Holdings. Riverstone Earth LLC is the managing member of Sponsor Manager. David Leuschen is the sole member of Riverstone Earth LLC. As such, each of Sponsor Holdings, Sponsor Manager, Riverstone Earth LLC and David Leuschen may be deemed to have or share beneficial ownership of the Class B ordinary shares held of record by the Sponsor. Each of Sponsor Holdings, Sponsor Manager, Riverstone Earth LLC and David Leuschen disclaims any beneficial ownership of securities held by the Sponsor other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. (2) Row 11: The percentage is based on the 29,533,334 of the Issuer's ordinary shares outstanding as of August 14, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 14, 2026.


SCHEDULE 13G



Comment for Type of Reporting Person:  (1) Rows 6, 8 and 9: 7,333,334 of the shares reported above are the Issuer's Class B ordinary shares that are convertible into the Issuer's Class A ordinary shares on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities-Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-284199). The Sponsor is the record holder of 7,333,334 of the shares reported above. Sponsor Holdings is the managing member of the Sponsor. Sponsor Manager is the managing member of Sponsor Holdings. Riverstone Earth LLC is the managing member of Sponsor Manager. David Leuschen is the sole member of Riverstone Earth LLC. As such, each of Sponsor Holdings, Sponsor Manager, Riverstone Earth LLC and David Leuschen may be deemed to have or share beneficial ownership of the Class B ordinary shares held of record by the Sponsor. Each of Sponsor Holdings, Sponsor Manager, Riverstone Earth LLC and David Leuschen disclaims any beneficial ownership of securities held by the Sponsor other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. The shares reported above also include 200,000 Class A ordinary shares included in private placement units acquired by CH4 Natural Solutions Acquisition Security Holdings, LLC ("Security Holdings") in a private placement that closed simultaneously with the Issuer's initial public offering. Security Holdings is the record holder of such securities. Sponsor Manager is the managing member of Security Holdings and Riverstone Earth LLC is the managing member of Sponsor Manager. David Leuschen is the sole member of Riverstone Earth LLC. As such, each of Sponsor Manager, Riverstone Earth LLC and David Leuschen may be deemed to have or share beneficial ownership of the Class A ordinary shares held directly by Security Holdings. Each of Sponsor Manager, Riverstone Earth LLC and David Leuschen disclaims any beneficial ownership of securities held by Security Holdings other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. (2) Row 10: Does not include 100,000 of the Issuer's Class A ordinary shares which may be purchased by exercising warrants that are not presently exercisable. These warrants were included in the private placement units acquired by Security Holdings in a private placement that closed simultaneously with the Issuer's initial public offering. (3) Row 11: The percentage is based on the 29,533,334 of the Issuer's ordinary shares outstanding as of August 14, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 14, 2026.


SCHEDULE 13G



Comment for Type of Reporting Person:  (1) Rows 6, 8 and 9: 7,333,334 of the shares reported above are the Issuer's Class B ordinary shares that are convertible into the Issuer's Class A ordinary shares on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities-Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-284199). The Sponsor is the record holder of 7,333,334 of the shares reported above. Sponsor Holdings is the managing member of the Sponsor. Sponsor Manager is the managing member of Sponsor Holdings. Riverstone Earth LLC is the managing member of Sponsor Manager. David Leuschen is the sole member of Riverstone Earth LLC. As such, each of Sponsor Holdings, Sponsor Manager, Riverstone Earth LLC and David Leuschen may be deemed to have or share beneficial ownership of the Class B ordinary shares held of record by the Sponsor. Each of Sponsor Holdings, Sponsor Manager, Riverstone Earth LLC and David Leuschen disclaims any beneficial ownership of securities held by the Sponsor other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. The shares reported above also include 200,000 Class A ordinary shares included in private placement units acquired by Security Holdings in a private placement that closed simultaneously with the Issuer's initial public offering. Security Holdings is the record holder of such securities. Sponsor Manager is the managing member of Security Holdings and Riverstone Earth LLC is the managing member of Sponsor Manager. David Leuschen is the sole member of Riverstone Earth LLC. As such, each of Sponsor Manager, Riverstone Earth LLC and David Leuschen may be deemed to have or share beneficial ownership of the Class A ordinary shares held directly by Security Holdings. Each of Sponsor Manager, Riverstone Earth LLC and David Leuschen disclaims any beneficial ownership of securities held by Security Holdings other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. (2) Row 10: Does not include 100,000 of the Issuer's Class A ordinary shares which may be purchased by exercising warrants that are not presently exercisable. These warrants were included in the private placement units acquired by Security Holdings in a private placement that closed simultaneously with the Issuer's initial public offering. (3) Row 11: The percentage is based on the 29,533,334 of the Issuer's ordinary shares outstanding as of August 14, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 14, 2026.


SCHEDULE 13G



Comment for Type of Reporting Person:  (1) Rows 6, 8 and 9: 7,333,334 of the shares reported above are the Issuer's Class B ordinary shares that are convertible into the Issuer's Class A ordinary shares on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities-Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-284199). The Sponsor is the record holder of 7,333,334 of the shares reported above. Sponsor Holdings is the managing member of the Sponsor. Sponsor Manager is the managing member of Sponsor Holdings. Riverstone Earth LLC is the managing member of Sponsor Manager. David Leuschen is the sole member of Riverstone Earth LLC. As such, each of Sponsor Holdings, Sponsor Manager, Riverstone Earth LLC and David Leuschen may be deemed to have or share beneficial ownership of the Class B ordinary shares held of record by the Sponsor. Each of Sponsor Holdings, Sponsor Manager, Riverstone Earth LLC and David Leuschen disclaims any beneficial ownership of securities held by the Sponsor other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. The shares reported above also include 200,000 Class A ordinary shares included in private placement units acquired by Security Holdings in a private placement that closed simultaneously with the Issuer's initial public offering. Security Holdings is the record holder of such securities. Sponsor Manager is the managing member of Security Holdings and Riverstone Earth LLC is the managing member of Sponsor Manager. David Leuschen is the sole member of Riverstone Earth LLC. As such, each of Sponsor Manager, Riverstone Earth LLC and David Leuschen may be deemed to have or share beneficial ownership of the Class A ordinary shares held directly by Security Holdings. Each of Sponsor Manager, Riverstone Earth LLC and David Leuschen disclaims any beneficial ownership of securities held by Security Holdings other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. (2) Row 10: Does not include 100,000 of the Issuer's Class A ordinary shares which may be purchased by exercising warrants that are not presently exercisable. These warrants were included in the private placement units acquired by Security Holdings in a private placement that closed simultaneously with the Issuer's initial public offering. (3) Row 11: The percentage is based on the 29,533,334 of the Issuer's ordinary shares outstanding as of August 14, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 14, 2026.


SCHEDULE 13G


 
CH4 Natural Solutions Acquisition Sponsor LLC
 
Signature:/s/ Arthuros Mangriotis
Name/Title:Arthuros Mangriotis, Authorized Person
Date:08/14/2026
 
CH4 Natural Solutions Acquisition Sponsor Holdings, LLC
 
Signature:/s/ Arthuros Mangriotis
Name/Title:Arthuros Mangriotis, Authorized Person
Date:08/14/2026
 
CH4 Natural Solutions Acquisition Sponsor Manager, LLC
 
Signature:/s/ Arthuros Mangriotis
Name/Title:Arthuros Mangriotis, Authorized Person
Date:08/14/2026
 
Riverstone Earth LLC
 
Signature:/s/ Arthuros Mangriotis
Name/Title:Arthuros Mangriotis, Attorney-in-fact
Date:08/14/2026
 
David Leuschen
 
Signature:/s/ Arthuros Mangriotis
Name/Title:Arthuros Mangriotis, Attorney-in-fact
Date:08/14/2026
Exhibit Information

LIST OF EXHIBITS Exhibit No. Description 99 Joint Filing Agreement.

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