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)
DateInsiderTypeSharesPrice
May 12, 2026Khani David M.directorGrant6,320
May 12, 2026LARSON JAMES RdirectorGrant6,320
May 12, 2026Szabo ShandelldirectorGrant6,320
May 12, 2026Acosta ArciliadirectorGrant6,320
May 12, 2026DJEREJIAN EDWARD PdirectorGrant6,320
May 12, 2026Ropp Ralph LewisdirectorGrant6,320
May 12, 2026SMITH DAN FdirectorGrant8,028
Mar 31, 2026Szabo ShandelldirectorSell11,731$31.98
Mar 11, 2026Corales Brianofficer: SVP & CHIEF FINANCIAL OFFICERSell33,000$29.12
Mar 11, 2026Acosta ArciliadirectorSell19,235$29.10
Mar 11, 2026Stavros Christopher Gdirector, officer: CEO & CHAIRMANSell119,954$29.29
Mar 11, 2026Yang Timothy D.officer: EVP, CHIEF LEGAL & COMM & SECSell150,000$29.29
Mar 11, 2026DJEREJIAN EDWARD PdirectorSell18,000$28.98
Mar 4, 2026Corales Brianofficer: SVP & CHIEF FINANCIAL OFFICERTax15,916$28.55
Mar 4, 2026Acosta ArciliadirectorGrant69
Mar 4, 2026Yang Timothy D.officer: EVP - GENERAL COUNSEL & SECTax15,156$28.55
Mar 4, 2026Stavros Christopher Gdirector, officer: CEO & CHAIRMANTax42,863$28.55
Feb 9, 2026Yang Timothy D.officer: EVP - GENERAL COUNSEL & SECGrant42,122
Feb 9, 2026Yang Timothy D.officer: EVP - GENERAL COUNSEL & SECOption49,532
Feb 9, 2026Corales Brianofficer: SVP & CHIEF FINANCIAL OFFICERTax6,239$26.21
Feb 9, 2026Corales Brianofficer: SVP & CHIEF FINANCIAL OFFICEROption31,708
Feb 9, 2026Stavros Christopher Gdirector, officer: CEO & CHAIRMANTax21,368$26.21
Feb 9, 2026Stavros Christopher Gdirector, officer: CEO & CHAIRMANOption108,603
Feb 9, 2026Stavros Christopher Gdirector, officer: CEO & CHAIRMANGrant121,103
Feb 9, 2026Corales Brianofficer: SVP & CHIEF FINANCIAL OFFICERGrant40,016
Feb 9, 2026Stavros Christopher Gdirector, officer: CEO & CHAIRMANGrant121,102
Feb 9, 2026Yang Timothy D.officer: EVP - GENERAL COUNSEL & SECTax9,746$26.21
Dec 2, 2025Acosta ArciliadirectorGrant76
Nov 12, 2025Ropp Ralph LewisdirectorBuy4,500$23.10
Sep 3, 2025Acosta ArciliadirectorGrant71

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
InstitutionActionSharesFiled
BLACKROCK, INC.Increased29.5MMay 13, 2026
BLACKROCK, INC.Increased27.7MFeb 12, 2026
VANGUARD GROUP INCReduced19.6MJan 29, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position13.0MMay 8, 2026
AMERICAN CENTURY COMPANIES INCReduced11.0MFeb 13, 2026
AMERICAN CENTURY COMPANIES INCReduced10.5MMay 15, 2026
STATE STREET CORPIncreased9.5MMay 15, 2026
STATE STREET CORPIncreased8.8MFeb 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position7.2MMay 15, 2026
DIMENSIONAL FUND ADVISORS LPIncreased7.0MMay 7, 2026
DIMENSIONAL FUND ADVISORS LPIncreased6.6MFeb 12, 2026
JANUS HENDERSON GROUP PLCIncreased6.3MMay 18, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPIncreased6.3MMay 14, 2026
JANUS HENDERSON GROUP PLCReduced6.1MFeb 17, 2026
TD ASSET MANAGEMENT INCIncreased5.7MFeb 10, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.