Key facts
- This page summarizes WildFire Energy I LLC's Form 3 filing for Magnolia Oil & Gas Corp (MGY).
- 0 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 16 Sep 2026, 16:30.
WildFire Energy I LLC - 10 Sep 2026 Form 3 Insider Report for Magnolia Oil & Gas Corp (MGY)
- Reporting relationship
- 10%+ Owner
- Issuer ticker
- MGY
- Reported as of
- 10 Sep 2026
- Net transaction value
- $0
- Reporting owner signature
- See Exhibit 99.1
Source evidence
Original filing metadata and source links for verification.
3 source fields
Reporting owner
1 detail
Key filing fact
WildFire Energy I LLC filed Form 3 for Magnolia Oil & Gas Corp (MGY) on 16 Sep 2026.
Change
- No earlier filing in this sequence is available for direct comparison.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Official SEC source
View source filing
Ownership activity is grounded in SEC Form 3 disclosures.
Reporting Owners (5)
CIK 0002153177
Primary reporting owner
WildFire Energy I LLC
- Relationship
- 10%+ Owner
- Address
- 920 MEMORIAL CITY WAY, SUITE 1400, HOUSTON
- Signature
- See Exhibit 99.1
- Signature date
- 16 Sep 2026
CIK 0002154783
Hawkwood HoldCo, L.P.
- Relationship
- 10%+ Owner
- Address
- C/O WARBURG PINCUS LLC, 450 LEXINGTON AVENUE, NEW YORK
- Signature
- See Exhibit 99.1
- Signature date
- 16 Sep 2026
CIK 0002154505
Hawkwood HoldCo GP, LLC
- Relationship
- 10%+ Owner
- Address
- C/O WARBURG PINCUS LLC, 450 LEXINGTON AVENUE, NEW YORK
- Signature
- See Exhibit 99.1
- Signature date
- 16 Sep 2026
CIK 0001635320
Warburg Pincus & Co US, LLC
- Relationship
- 10%+ Owner
- Address
- C/O WARBURG PINCUS LLC, 450 LEXINGTON AVENUE, NEW YORK
- Signature
- See Exhibit 99.1
- Signature date
- 16 Sep 2026
CIK 0000949615
KAYNE ANDERSON CAPITAL ADVISORS LP
- Relationship
- 10%+ Owner
- Address
- 2121 AVENUE OF THE STARS, 9TH FLOOR, LOS ANGELES
- Signature
- See Exhibit 99.1
- Signature date
- 16 Sep 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MGY
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 32,203,000
- Date
- 10 Sep 2026
- Ownership
- Direct
- Footnotes
- F1, F2, F3
MGY
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 32,203,000
- Date
- 10 Sep 2026
- Ownership
- Direct
- Footnotes
- F1, F2, F3
MGY
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 32,203,000
- Date
- 10 Sep 2026
- Ownership
- Direct
- Footnotes
- F1, F2, F3
MGY
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 32,203,000
- Date
- 10 Sep 2026
- Ownership
- Direct
- Footnotes
- F1, F2, F3
MGY
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 32,203,000
- Date
- 10 Sep 2026
- Ownership
- Direct
- Footnotes
- F1, F2, F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
The reported securities are directly held by WildFire Energy I LLC (the "Shareholder"). Hawkwood HoldCo, L.P., Kayne Private Energy Income Fund II, L.P., Kayne Private Energy Income Fund II-B, L.P., Kayne Anderson Energy Fund VIII, L.P. and certain management individuals hold 100% of the equity interests in the Shareholder. The Warburg Entities and the Kayne Entities (each as defined below) jointly control the Shareholder.
Footnote F2
Warburg Pincus & Company US, LLC ("Warburg Pincus") is the general partner of Warburg Pincus Partners II (US), L.P., which is the managing member of Warburg Pincus Partners (E&P) XI LLC, which is the sole member of Warburg Pincus (E&P) XI LLC, which is the general partner of Warburg Pincus (E&P) XI, L.P., which is the general partner of Warburg Pincus Private Equity (E&P) XI - A, L.P., which is the managing member of Hawkwood HoldCo GP, LLC, which is the general partner of Hawkwood HoldCo, L.P., which holds the securities on behalf of various funds and accounts indirectly managed by Warburg Pincus (the entities in this footnote 2, the "Warburg Entities"). Each of the Warburg Entities disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Warburg Entities are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.
Footnote F3
Kayne Private Energy Income Fund II, L.P., Kayne Private Energy Income Fund II-B, L.P. and Kayne Anderson Energy Fund VIII, L.P. are managed, with discretion to purchase or sell securities, by Kayne Anderson Capital Advisors, L.P. (or controlled affiliates thereof) (collectively, the "Kayne Entities"), as a registered investment adviser. Each of the Kayne Entities disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Kayne Entities are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.
SEC remarks
Information with respect to each of the Reporting Persons is given solely by such Reporting Persons, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.