Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
   Rule 13d-1(b)
   Rule 13d-1(c)
   Rule 13d-1(d)




schemaVersion:


SCHEDULE 13G




Comment for Type of Reporting Person:  The reported amount includes 57,564,830 shares of Class A common stock ("Class A Common Stock") of the Issuer issuable upon conversion of Series B Units of Athena Technology Solutions Holdings, LLC ("Series B Units") (together with an equal number of Class B common stock ("Class B Common Stock") of the Issuer). The reported percentage is calculated based on 56,470,333 shares of Class A Common Stock outstanding as of August 12, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q filed with the SEC on August 12, 2026, as increased by 57,564,830 shares of Class A Common Stock issuable upon conversion of Series B Units (together with an equal number of Class B Common Stock).


SCHEDULE 13G




Comment for Type of Reporting Person:  The reported amount includes 57,564,830 shares of Class A common stock ("Class A Common Stock") of the Issuer issuable upon conversion of Series B Units of Athena Technology Solutions Holdings, LLC ("Series B Units") (together with an equal number of Class B common stock ("Class B Common Stock") of the Issuer). The reported percentage is calculated based on 56,470,333 shares of Class A Common Stock outstanding as of August 12, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q filed with the SEC on August 12, 2026, as increased by 57,564,830 shares of Class A Common Stock issuable upon conversion of Series B Units (together with an equal number of Class B Common Stock).


SCHEDULE 13G




Comment for Type of Reporting Person:  The reported amount includes 57,564,830 shares of Class A common stock ("Class A Common Stock") of the Issuer issuable upon conversion of Series B Units of Athena Technology Solutions Holdings, LLC ("Series B Units") (together with an equal number of Class B common stock ("Class B Common Stock") of the Issuer). The reported percentage is calculated based on 56,470,333 shares of Class A Common Stock outstanding as of August 12, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q filed with the SEC on August 12, 2026, as increased by 57,564,830 shares of Class A Common Stock issuable upon conversion of Series B Units (together with an equal number of Class B Common Stock).


SCHEDULE 13G




Comment for Type of Reporting Person:  The reported amount includes 57,564,830 shares of Class A common stock ("Class A Common Stock") of the Issuer issuable upon conversion of Series B Units of Athena Technology Solutions Holdings, LLC ("Series B Units") (together with an equal number of Class B common stock ("Class B Common Stock") of the Issuer). The reported percentage is calculated based on 56,470,333 shares of Class A Common Stock outstanding as of August 12, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q filed with the SEC on August 12, 2026, as increased by 57,564,830 shares of Class A Common Stock issuable upon conversion of Series B Units (together with an equal number of Class B Common Stock).


SCHEDULE 13G



 
Madison Dearborn Partners LLC
 
Signature:/s/ Katherine M. Bryan
Name/Title:Katherine M. Bryan, Director, Associate General Counsel and Chief Compliance Officer
Date:08/14/2026
 
MADISON DEARBORN CAPITAL PARTNERS VII-B, L.P.
 
Signature:/s/ Katherine M. Bryan
Name/Title:Katherine M. Bryan, Director, Associate General Counsel and Chief Compliance Officer of the General Partner of the General Partner of Madison Dearborn
Date:08/14/2026
 
MADISON DEARBORN CAPITAL PARTNERS VII EXECUTIVE-B, L.P.
 
Signature:/s/ Katherine M. Bryan
Name/Title:Katherine M. Bryan, Director, Associate General Counsel and Chief Compliance Officer of the General Partner of the General Partner of Madison Dearborn
Date:08/14/2026
 
MADISON DEARBORN CAPITAL PARTNERS VII-C, L.P.
 
Signature:/s/ Katherine M. Bryan
Name/Title:Katherine M. Bryan, Director, Associate General Counsel and Chief Compliance Officer of the General Partner of the General Partner of Madison Dearborn
Date:08/14/2026
Exhibit Information

Exhibit 99.1 Joint Filing Agreement, dated August 14, 2026


ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

EX-99.1