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RING Energy, Inc. (REI) is the issuer in an amended Schedule 13G reporting that PEAK6 Capital Management LLC, PEAK6 Partners LLC, PEAK6 LLC, PEAK6 Investments LLC, PEAK6 Group LLC and PEAK6 Capital Management Holdings LLC each reported beneficial ownership of 10,487,298 common shares, or 4.0% of the class, as of September 30, 2026. Each cover page reports shared voting and shared dispositive power over that amount and zero sole voting or dispositive power.
The amendment describes PEAK6 Capital Management LLC as wholly owned by PEAK6 Capital Management Holdings LLC, which is owned by PEAK6 Group LLC; PEAK6 Group LLC is owned by PEAK6 Investments LLC. PEAK6 Investments LLC is majority owned by PEAK6 Partners LLC and minority owned by PEAK6 LLC.
Key Figures
Beneficial ownership:10,487,298 sharesOwnership of class:4.0%
2 metrics
Beneficial ownership10,487,298 sharesReported by each reporting person as of September 30, 2026
Ownership of class4.0%Reported by each reporting person as of September 30, 2026
Key Terms
beneficial ownership, shared voting power, shared dispositive power
3 terms
beneficial ownershipfinancial
"amount beneficially owned by each reporting person"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
shared voting powerfinancial
"shared voting power of 10,487,298 shares"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
shared dispositive powerfinancial
"shared dispositive power of 10,487,298 shares"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many REI shares do the reporting persons report owning?
The reporting persons report beneficial ownership of 10,487,298 Ring Energy common shares, equal to 4.0% of the class as of September 30, 2026. Each reports shared voting and dispositive power over that amount.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
RING ENERGY, INC.
(Name of Issuer)
Common Stock, par value $0.001
(Title of Class of Securities)
76680V108
(CUSIP Number)
09/30/2026
(Date of Event Which Requires Filing of this Statement)
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
CUSIP Number(s):
76680V108
1
Names of Reporting Persons
PEAK6 Capital Management LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
10,487,298.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
10,487,298.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
10,487,298.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.0 %
12
Type of Reporting Person (See Instructions)
BD
SCHEDULE 13G
CUSIP Number(s):
76680V108
1
Names of Reporting Persons
PEAK6 Partners LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
10,487,298.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
10,487,298.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
10,487,298.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.0 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
CUSIP Number(s):
76680V108
1
Names of Reporting Persons
PEAK6 LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
10,487,298.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
10,487,298.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
10,487,298.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.0 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
CUSIP Number(s):
76680V108
1
Names of Reporting Persons
PEAK6 Investments LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
10,487,298.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
10,487,298.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
10,487,298.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.0 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
CUSIP Number(s):
76680V108
1
Names of Reporting Persons
PEAK6 Group LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
10,487,298.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
10,487,298.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
10,487,298.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.0 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
CUSIP Number(s):
76680V108
1
Names of Reporting Persons
PEAK6 Capital Management Holdings LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
10,487,298.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
10,487,298.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
10,487,298.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.0 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
CUSIP Number(s):
76680V108
1
Names of Reporting Persons
Matthew Hulsizer
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
10,487,298.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
10,487,298.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
10,487,298.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.0 %
12
Type of Reporting Person (See Instructions)
IN
SCHEDULE 13G
CUSIP Number(s):
76680V108
1
Names of Reporting Persons
Jennifer Just
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
10,487,298.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
10,487,298.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
10,487,298.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.0 %
12
Type of Reporting Person (See Instructions)
IN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
RING ENERGY, INC.
(b)
Address of issuer's principal executive offices:
1725 HUGHES LANDING BLVD., SUITE 900, THE WOODLANDS, TEXAS, 77380
Item 2.
(a)
Name of person filing:
PEAK6 Capital Management LLC
PEAK6 Partners LLC
PEAK6 LLC
PEAK6 Investments LLC
PEAK6 Group LLC
PEAK6 Capital Management Holdings LLC
Matthew Hulsizer
Jennifer Just
(b)
Address or principal business office or, if none, residence:
PEAK6 Capital Management LLC - 141 W. Jackson Blvd., Suite 500, Chicago IL 60604
PEAK6 Partners LLC - 2010 E. 6th St., Austin TX 78702
PEAK6 LLC - 2010 E. 6th St., Austin TX 78702
PEAK6 Investments LLC - 2010 E. 6th St., Austin TX 78702
PEAK6 Group LLC - 2010 E. 6th St., Austin TX 78702
PEAK6 Capital Management Holdings LLC - 141 W. Jackson Blvd., Suite 500, Chicago IL 60604
Matthew Hulsizer - 2010 E. 6th St., Austin TX 78702
Jennifer Just- 2010 E. 6th St., Austin TX 78702
(c)
Citizenship:
PEAK6 Capital Management LLC, Delaware
PEAK6 LLC, Delaware
PEAK6 Investments LLC, Delaware
PEAK6 Group LLC, Delaware
PEAK6 Capital Management Holdings LLC, Delaware
Matthew Hulsizer, U.S. Citizen
Jennifer Just, U.S. Citizen
(d)
Title of class of securities:
Common Stock, par value $0.001
(e)
CUSIP No.:
76680V108
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
PEAK6 Capital Management LLC is wholly owned by PEAK6 Capital Management Holdings LLC, which is owned by PEAK6 Group LLC, which is owned by PEAK6 Investments LLC, which is majority owned by PEAK6 Partners LLC and minority owned by PEAK6 LLC. Matthew Hulsizer and Jennifer Just are the majority direct and/or indirect ultimate beneficial owners of PEAK6 Partners LLC and PEAK6 LLC.
The information specified in items 4(a) - (c) is provided in rows 5 through 11 of the cover pages for each Reporting Person and is incorporated by reference.
(b)
Percent of class:
PEAK6 Capital Management LLC is wholly owned by PEAK6 Capital Management Holdings LLC, which is owned by PEAK6 Group LLC, which is owned by PEAK6 Investments LLC, which is majority owned by PEAK6 Partners LLC and minority owned by PEAK6 LLC. Matthew Hulsizer and Jennifer Just are the majority direct and/or indirect ultimate beneficial owners of PEAK6 Partners LLC and PEAK6 LLC.
The information specified in items 4(a) - (c) is provided in rows 5 through 11 of the cover pages for each Reporting Person and is incorporated by reference.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
PEAK6 Capital Management LLC is wholly owned by PEAK6 Capital Management Holdings LLC, which is owned by PEAK6 Group LLC, which is owned by PEAK6 Investments LLC, which is majority owned by PEAK6 Partners LLC and minority owned by PEAK6 LLC. Matthew Hulsizer and Jennifer Just are the majority direct and/or indirect ultimate beneficial owners of PEAK6 Partners LLC and PEAK6 LLC.
The information specified in items 4(a) - (c) is provided in rows 5 through 11 of the cover pages for each Reporting Person and is incorporated by reference.
(ii) Shared power to vote or to direct the vote:
PEAK6 Capital Management LLC is wholly owned by PEAK6 Capital Management Holdings LLC, which is owned by PEAK6 Group LLC, which is owned by PEAK6 Investments LLC, which is majority owned by PEAK6 Partners LLC and minority owned by PEAK6 LLC. Matthew Hulsizer and Jennifer Just are the majority direct and/or indirect ultimate beneficial owners of PEAK6 Partners LLC and PEAK6 LLC.
The information specified in items 4(a) - (c) is provided in rows 5 through 11 of the cover pages for each Reporting Person and is incorporated by reference.
(iii) Sole power to dispose or to direct the disposition of:
PEAK6 Capital Management LLC is wholly owned by PEAK6 Capital Management Holdings LLC, which is owned by PEAK6 Group LLC, which is owned by PEAK6 Investments LLC, which is majority owned by PEAK6 Partners LLC and minority owned by PEAK6 LLC. Matthew Hulsizer and Jennifer Just are the majority direct and/or indirect ultimate beneficial owners of PEAK6 Partners LLC and PEAK6 LLC.
The information specified in items 4(a) - (c) is provided in rows 5 through 11 of the cover pages for each Reporting Person and is incorporated by reference.
(iv) Shared power to dispose or to direct the disposition of:
PEAK6 Capital Management LLC is wholly owned by PEAK6 Capital Management Holdings LLC, which is owned by PEAK6 Group LLC, which is owned by PEAK6 Investments LLC, which is majority owned by PEAK6 Partners LLC and minority owned by PEAK6 LLC. Matthew Hulsizer and Jennifer Just are the majority direct and/or indirect ultimate beneficial owners of PEAK6 Partners LLC and PEAK6 LLC.
The information specified in items 4(a) - (c) is provided in rows 5 through 11 of the cover pages for each Reporting Person and is incorporated by reference.
Item 5.
Ownership of 5 Percent or Less of a Class.
Ownership of 5 percent or less of a class
Item 6.
Ownership of more than 5 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 or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
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 the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
