Magnolia Oil & Gas Corporation (MGY) Insider Trading
Over the last 3 months, MGY insiders made 0 open-market buys and 6 sales, a net sale of -$10.3M (SEC Form 4). Over the last 6 months, 297 institutions increased and 292 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
6
Net (3m)
-$10.3M
Insider trades by month Buys Sells
May
Sep
Mar
May
Nov
Mar
Context3-month price -2.2%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 12, 2026 | Khani David M.director | Grant | 6,320 | — |
| May 12, 2026 | LARSON JAMES Rdirector | Grant | 6,320 | — |
| May 12, 2026 | Szabo Shandelldirector | Grant | 6,320 | — |
| May 12, 2026 | Acosta Arciliadirector | Grant | 6,320 | — |
| May 12, 2026 | DJEREJIAN EDWARD Pdirector | Grant | 6,320 | — |
| May 12, 2026 | Ropp Ralph Lewisdirector | Grant | 6,320 | — |
| May 12, 2026 | SMITH DAN Fdirector | Grant | 8,028 | — |
| Mar 31, 2026 | Szabo Shandelldirector | Sell | 11,731 | $31.98 |
| Mar 11, 2026 | Corales Brianofficer: SVP & CHIEF FINANCIAL OFFICER | Sell | 33,000 | $29.12 |
| Mar 11, 2026 | Acosta Arciliadirector | Sell | 19,235 | $29.10 |
| Mar 11, 2026 | Stavros Christopher Gdirector, officer: CEO & CHAIRMAN | Sell | 119,954 | $29.29 |
| Mar 11, 2026 | Yang Timothy D.officer: EVP, CHIEF LEGAL & COMM & SEC | Sell | 150,000 | $29.29 |
| Mar 11, 2026 | DJEREJIAN EDWARD Pdirector | Sell | 18,000 | $28.98 |
| Mar 4, 2026 | Corales Brianofficer: SVP & CHIEF FINANCIAL OFFICER | Tax | 15,916 | $28.55 |
| Mar 4, 2026 | Acosta Arciliadirector | Grant | 69 | — |
| Mar 4, 2026 | Yang Timothy D.officer: EVP - GENERAL COUNSEL & SEC | Tax | 15,156 | $28.55 |
| Mar 4, 2026 | Stavros Christopher Gdirector, officer: CEO & CHAIRMAN | Tax | 42,863 | $28.55 |
| Feb 9, 2026 | Yang Timothy D.officer: EVP - GENERAL COUNSEL & SEC | Grant | 42,122 | — |
| Feb 9, 2026 | Yang Timothy D.officer: EVP - GENERAL COUNSEL & SEC | Option | 49,532 | — |
| Feb 9, 2026 | Corales Brianofficer: SVP & CHIEF FINANCIAL OFFICER | Tax | 6,239 | $26.21 |
| Feb 9, 2026 | Corales Brianofficer: SVP & CHIEF FINANCIAL OFFICER | Option | 31,708 | — |
| Feb 9, 2026 | Stavros Christopher Gdirector, officer: CEO & CHAIRMAN | Tax | 21,368 | $26.21 |
| Feb 9, 2026 | Stavros Christopher Gdirector, officer: CEO & CHAIRMAN | Option | 108,603 | — |
| Feb 9, 2026 | Stavros Christopher Gdirector, officer: CEO & CHAIRMAN | Grant | 121,103 | — |
| Feb 9, 2026 | Corales Brianofficer: SVP & CHIEF FINANCIAL OFFICER | Grant | 40,016 | — |
| Feb 9, 2026 | Stavros Christopher Gdirector, officer: CEO & CHAIRMAN | Grant | 121,102 | — |
| Feb 9, 2026 | Yang Timothy D.officer: EVP - GENERAL COUNSEL & SEC | Tax | 9,746 | $26.21 |
| Dec 2, 2025 | Acosta Arciliadirector | Grant | 76 | — |
| Nov 12, 2025 | Ropp Ralph Lewisdirector | Buy | 4,500 | $23.10 |
| Sep 3, 2025 | Acosta Arciliadirector | Grant | 71 | — |
Source: MGY SEC Form 4 filings, latest May 12, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their MGY positions over the last 6 months (SEC Form 13F).
Increased
297
New positions
112
Reduced
292
Sold out
86
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 29.5M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 27.7M | Feb 12, 2026 |
| VANGUARD GROUP INC | Reduced | 19.6M | Jan 29, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 13.0M | May 8, 2026 |
| AMERICAN CENTURY COMPANIES INC | Reduced | 11.0M | Feb 13, 2026 |
| AMERICAN CENTURY COMPANIES INC | Reduced | 10.5M | May 15, 2026 |
| STATE STREET CORP | Increased | 9.5M | May 15, 2026 |
| STATE STREET CORP | Increased | 8.8M | Feb 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 7.2M | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 7.0M | May 7, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 6.6M | Feb 12, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 6.3M | May 18, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | 6.3M | May 14, 2026 |
| JANUS HENDERSON GROUP PLC | Reduced | 6.1M | Feb 17, 2026 |
| TD ASSET MANAGEMENT INC | Increased | 5.7M | Feb 10, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.