# EDGAR Filing Document

**Accession Number:** 0001726126
**File Stem:** 0000902584-23-000004
**Filing Date:** 2023-2
**Character Count:** 8224
**Document Hash:** c90d35a873b49b88ef75409e044a42e0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000902584-23-000004.hdr.sgml**: 20230207

**ACCESSION NUMBER**: 0000902584-23-000004

**CONFORMED SUBMISSION TYPE**: SC 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230207

**DATE AS OF CHANGE**: 20230207

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Epsilon Energy Ltd.
- **CENTRAL INDEX KEY:** 0001726126
- **STANDARD INDUSTRIAL CLASSIFICATION:** CRUDE PETROLEUM & NATURAL GAS [1311]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** A0
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91403
- **FILM NUMBER:** 23593757

**BUSINESS ADDRESS:**
- **STREET 1:** 16945 NORTHCHASE DR.,
- **STREET 2:** SUITE 1610
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77060
- **BUSINESS PHONE:** 281-670-0002

**MAIL ADDRESS:**
- **STREET 1:** 16945 NORTHCHASE DR.,
- **STREET 2:** SUITE 1610
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77060
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ADVISORY RESEARCH INC
- **CENTRAL INDEX KEY:** 0000902584
- **STANDARD INDUSTRIAL CLASSIFICATION:** UNKNOWN SIC - 0000 [0000]
- **IRS NUMBER:** 362831881
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** 180 N. STETSON AVENUE
- **STREET 2:** SUITE 5500
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60601
- **BUSINESS PHONE:** 312-565-1414

**MAIL ADDRESS:**
- **STREET 1:** 180 N. STETSON AVENUE
- **STREET 2:** SUITE 5500
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60601

```

                           UNITED STATES
                 SECURITIES AND EXCHANGE COMMISSION
                        Washington, DC 20549

                            SCHEDULE 13G
            Under the Securities and Exchange Act of 1934
                         (Amendment No. 3)*

                      Epsilon Energy Ltd.
------------------------------------------------------------------
                         (Name of Issuer)

                           Common Stock
------------------------------------------------------------------
                  (Title of Class of Securities)

                             294375209
------------------------------------------------------------------
                          (CUSIP Number)

                         February 1, 2023
------------------------------------------------------------------
    (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to
which this Schedule is filed:

          [X]     Rule 13d-1 (b)
          [ ]     Rule 13d-1 (c)
          [ ]     Rule 13d-1 (d)

* The remainder of this cover page shall be filled out for a
reporting person's initial filing on this form with respect to
the subject class of securities, and for any subsequent amendment
containing information which would alter the disclosures provided
in a prior cover page.

The information required in 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.)

CUSIP NO. 294375209   13G

1     Name of Reporting Person
      Advisory Research, Inc.

------------------------------------------------------------------
2     Check the Appropriate Box if a Member of a Group    (a)  [ ]
      			                                  (b)  [ ]

------------------------------------------------------------------
3     SEC Use Only

------------------------------------------------------------------
4     Citizenship or Place of Organization
      Delaware

------------------------------------------------------------------

   Number of
                   5     Sole Voting Power
    Shares               0 Shares
                   -----------------------------------------------
 Beneficially
                   6     Shared Voting Power
   Owned By              0 Shares
                   -----------------------------------------------
     Each
                   7     Sole Dispositive Power
   Reporting             0 Shares
                   -----------------------------------------------
    Person
                   8     Shared Dispositive Power
     With                0 Shares
------------------------------------------------------------------
9     Aggregate Amount Beneficially Owned by Each Reporting Person
      0 Shares

------------------------------------------------------------------
10    Check if the Aggregate Amount in Row (9) Excludes Certain
      Shares  [ ]

------------------------------------------------------------------
11    Percent of Class Represented by Amount in Row (9)
      0.0%

------------------------------------------------------------------
12    Type of Reporting Person
      IA

------------------------------------------------------------------

Item 1     (a)  Name of Issuer:
		Epsilon Energy Ltd.

           (b)  Name of Issuer's Principal Executive Offices:
                16945 Northchase Drive, Suite 1610
                Houston, TX  77060

Item 2     (a)  Person Filing:
		Advisory Research, Inc.

	   (b)  Address:
		180 N. Stetson Ave., Suite 5500
                Chicago, IL 60601

           (c)  Citizenship:
		Advisory Research, Inc is a Delaware Corporation

           (d)  Title of Class of Securities:
		Common Stock

           (e)  CUSIP Number:
		294375209

Item 3     If this statement is filed pursuant to sections
           240.13d-1(b) or 240.13d-2(b) or (c), check whether the
           person filing is a:

           Advisory Research, Inc. is an investment advisor in
           accordance with section 240.13d-1(b)(1)(ii)(E)

Item 4     Ownership

           (a)  Amount Beneficially Owned:
                Advisory Research, Inc.    0 Shares

           (b)  Percent of Class           0.0%

           (c)  Number of shares as to which reporting person has:
                (i)    Sole Voting Power            0 Shares
                (ii)   Shared Voting Power          0 Shares
                (iii)  Sole Dispositive Power       0 Shares
                (iv)   Shared Dispositive Power     0 Shares

Item 5     Ownership of Five Percent or Less of a Class:
           If this statement is being filed to report the fact
           that as of the date hereof the reporting person has
           ceased to be the beneficial owner of more than five
           percent of the class of securities, check the
           following [X]

Item 6     Ownership of More than Five Percent on Behalf of Another
	   Person:

	   Not Applicable

Item 7     Identification and Classification of the Subsidiary
           Which Acquired the Security being Reported on by the
           Parent Holding Company:

           Not Applicable

Item 8     Identification and Classification if Members of
           the Group:

	   Not Applicable

Item 9     Notice of Dissolution of Group:

	   Not Applicable

Item 10    Certification

   	   By signing below I certify that, to the best of my
           knowledge and belief, the securities referred to
           above were acquired and are held in the ordinary
           course of business and were not acquired and are
           not held for the purpose of or with the effect of
           changing or influencing the control of the issuer
           of such securities and were not acquired and are
           not held in connection with or as a participant
           in any transaction having such purposes or effect.

			SIGNATURE

	   The undersigned certify, after reasonable inquiry
	   and to the best knowledge and belief of the undersigned,
	   that the information set forth in this Statement is true,
	   complete and correct.  The undersigned agree to the
	   filing of this single Statement on Schedule 13G.

		           Advisory Research, Inc.

Date:  February 7, 2023    By:  /s/ Matthew K. Swaim
                           Name: Matthew K. Swaim
                           Title: Chief Executive Officer

```