Sec Form 13D Filing - ER Reservoir LLC filing for - 2026-03-04

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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If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D



Comment for Type of Reporting Person:
This percentage is calculated based upon 65,600,219 shares of Common Stock of the Issuer issued and outstanding as of January 26, 2026 as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Commission on February 4, 2026. The reporting persons making this filing may be deemed to be a group with other persons beneficially owning common stock. The reporting persons do not affirm the existence of such a group.


SCHEDULE 13D



Comment for Type of Reporting Person:
This percentage is calculated based upon 65,600,219 shares of Common Stock of the Issuer issued and outstanding as of January 26, 2026 as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Commission on February 4, 2026. The reporting persons making this filing may be deemed to be a group with other persons beneficially owning common stock. The reporting persons do not affirm the existence of such a group.


SCHEDULE 13D



Comment for Type of Reporting Person:
This percentage is calculated based upon 65,600,219 shares of Common Stock of the Issuer issued and outstanding as of January 26, 2026 as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Commission on February 4, 2026. The reporting persons making this filing may be deemed to be a group with other persons beneficially owning common stock. The reporting persons do not affirm the existence of such a group.


SCHEDULE 13D



Comment for Type of Reporting Person:
This percentage is calculated based upon 65,600,219 shares of Common Stock of the Issuer issued and outstanding as of January 26, 2026 as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Commission on February 4, 2026. The reporting persons making this filing may be deemed to be a group with other persons beneficially owning common stock. The reporting persons do not affirm the existence of such a group.


SCHEDULE 13D



Comment for Type of Reporting Person:
This percentage is calculated based upon 65,600,219 shares of Common Stock of the Issuer issued and outstanding as of January 26, 2026 as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Commission on February 4, 2026. The reporting persons making this filing may be deemed to be a group with other persons beneficially owning common stock. The reporting persons do not affirm the existence of such a group.


SCHEDULE 13D



Comment for Type of Reporting Person:
This percentage is calculated based upon 65,600,219 shares of Common Stock of the Issuer issued and outstanding as of January 26, 2026 as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Commission on February 4, 2026. The reporting persons making this filing may be deemed to be a group with other persons beneficially owning common stock. The reporting persons do not affirm the existence of such a group.


SCHEDULE 13D



Comment for Type of Reporting Person:
This percentage is calculated based upon 65,600,219 shares of Common Stock of the Issuer issued and outstanding as of January 26, 2026 as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Commission on February 4, 2026. The reporting persons making this filing may be deemed to be a group with other persons beneficially owning common stock. The reporting persons do not affirm the existence of such a group.


SCHEDULE 13D



Comment for Type of Reporting Person:
This percentage is calculated based upon 65,600,219 shares of Common Stock of the Issuer issued and outstanding as of January 26, 2026 as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Commission on February 4, 2026. The reporting persons making this filing may be deemed to be a group with other persons beneficially owning common stock. The reporting persons do not affirm the existence of such a group.


SCHEDULE 13D

 
ER Reservoir LLC
 
Signature:/s/ Ryan P. Taylor
Name/Title:Ryan P. Taylor, Managing Director
Date:03/03/2026
 
Richmond Hill Capital Partners, LP
 
Signature:/s/ Ryan P. Taylor
Name/Title:Ryan P. Taylor, Manager of Richmond Hill Advisors, LLC, General Partner of Richmond Hill Capital Partners, LP
Date:03/03/2026
 
Essex Equity Joint Investment Vehicle, LLC
 
Signature:/s/ John D. Liu
Name/Title:John D. Liu, Managing Director
Date:03/03/2026
 
Richmond Hill Investments, LLC
 
Signature:/s/ John D. Liu
Name/Title:John D. Liu, Manager of Essex Equity Holdings, LLC, Manager of Richmond Hill Investments, LLC
Date:03/03/2026
 
Richmond Hill Investment Co., LP
 
Signature:/s/ Ryan P. Taylor
Name/Title:Ryan P. Taylor, Manager of Richmond Hill Capital Management, LLC, General Partner of Richmond Hill Investment Co., LP
Date:03/03/2026
 
Richmond Hill Capital Management, LLC
 
Signature:/s/ Ryan P. Taylor
Name/Title:Ryan P. Taylor, Manager
Date:03/03/2026
 
Richmond Hill Advisors, LLC
 
Signature:/s/ Ryan P. Taylor
Name/Title:Ryan P. Taylor, Manager
Date:03/03/2026
 
Ryan P. Taylor
 
Signature:/s/ Ryan P. Taylor
Name/Title:Ryan P. Taylor
Date:03/03/2026
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