Stock / equity
MGY Magnolia Oil & Gas Corp
- Company
- Magnolia Oil & Gas Corp
- Security
- Equity
- Size, estimated from filings
- Mid cap ($2B – $10B)
- Insiders on record
- 10
- Members of Congress
- 2
- Latest trade on record
- September 24, 2026
MGY (Magnolia Oil & Gas Corp) has 50 disclosed insider transactions from 10 insiders in the last 12 months (5 open-market buys, 19 sales, about $17.1M at reported prices) and 4 congressional trades from 2 members of Congress. The most recent disclosure was filed September 25, 2026.
Share price
Price and chart by TradingView for Magnolia Oil & Gas Corp. US share prices here are delayed, not real-time. The trade records on this page come from government filings, not from this chart.
MGY in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
8 people account for the disclosed buying and selling in MGY over the last 12 months; the most active is Stavros Christopher G with $6.8M.
Prices insiders traded at
What price did insiders buy and sell at? Each marker is one open-market trade at the share price reported on its Form 4.
Insiders reported 12 open-market trades in MGY since Nov 11, 2025, at prices from $23.10 to $31.98; the most recent was a purchase at $26.78 on Sep 1, 2026. These are the prices on the filings, not adjusted for stock splits, and not a market price series.
Insider holdings over time
Is an insider building or unwinding a position? Shares held directly after each filing.
Acosta Arcilia reported 134,721 shares held after the latest filing, against 147,415 at the first on record.
Insiders trading MGY
Everyone who filed a Form 4 for this ticker, by number of rows on record. "Bought" and "sold" count open-market purchases (code P) and sales only; awards, option exercises and shares withheld for tax are in the row count but not in those two columns.
| Insider | Role | Rows | Bought | Sold | Value bought | Value sold | Latest |
|---|---|---|---|---|---|---|---|
| Corales Brian | SVP & CHIEF FINANCIAL OFFICER | 10 | 0 | 5 | — | $2.1M | September 24, 2026 |
| Stavros Christopher G | CEO & CHAIRMAN | 10 | 0 | 5 | — | $6.8M | September 24, 2026 |
| Yang Timothy D. | EVP - GENERAL COUNSEL & SEC | 10 | 0 | 5 | — | $5.8M | September 24, 2026 |
| Acosta Arcilia | Director | 6 | 0 | 1 | — | $560K | September 1, 2026 |
| Khani David M. | Director | 3 | 2 | 0 | $201K | — | September 1, 2026 |
| Ropp Ralph Lewis | Director | 3 | 2 | 0 | $227K | — | August 7, 2026 |
| Szabo Shandell | Director | 3 | 1 | 1 | $2,360 | $375K | June 1, 2026 |
| DJEREJIAN EDWARD P | Director | 2 | 0 | 1 | — | $522K | May 8, 2026 |
| SMITH DAN F | Director | 2 | 0 | 1 | — | $522K | May 8, 2026 |
| LARSON JAMES R | Director | 1 | 0 | 0 | — | — | May 8, 2026 |
What kind of transactions these are 6 Form 4 codes
| Code | Meaning | Rows | Shares | Value at reported prices |
|---|---|---|---|---|
| A | Grant or award | 20 | 503,355 | — |
| F | Shares withheld for tax | 9 | 131,211 | $3.6M |
| S | Open-market sale | 7 | 369,920 | $10.8M |
| M | Option exercise or conversion | 6 | 379,686 | — |
| P | Open-market purchase | 5 | 17,640 | $431K |
| D | Sale back to the company | 3 | 94,921 | $2.3M |
What each code means: Form 4 transaction codes.
Members of Congress trading MGY
Members whose periodic transaction reports name this ticker. Amounts are the sums of the ranges as filed.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Lisa C. McClain | Representative (MI, District 9), Republican | 3 | 1 | 2 | $3,003–$45K | October 31, 2025 |
| Gilbert Ray Cisneros, Jr. | Representative (CA, District 31), Democrat | 1 | 0 | 1 | $15K–$50K | January 9, 2026 |
Insider transactions
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Corales Brian | Sell F | September 24, 2026 | September 25, 2026 | 1d | 4,798 | $25 | $119K | Form 4 ↗ | ||
| Corales Brian | Other A | September 24, 2026 | September 25, 2026 | 1d | 12,193 | — | — | Form 4 ↗ | ||
| Yang Timothy D. | Sell F | September 24, 2026 | September 25, 2026 | 1d | 5,270 | $25 | $130K | Form 4 ↗ | ||
| Yang Timothy D. | Other A | September 24, 2026 | September 25, 2026 | 1d | 13,392 | — | — | Form 4 ↗ | ||
| Stavros Christopher G | Sell F | September 24, 2026 | September 25, 2026 | 1d | 9,855 | $25 | $244K | Form 4 ↗ | ||
| Stavros Christopher G | Other A | September 24, 2026 | September 25, 2026 | 1d | 25,044 | — | — | Form 4 ↗ | ||
| Acosta Arcilia | Other A | September 1, 2026 | September 3, 2026 | 2d | 80 | — | — | Form 4 ↗ | ||
| Khani David M. | Buy P | September 1, 2026 | September 3, 2026 | 2d | 54 | $27 | $1,446 | Form 4 ↗ | ||
| Ropp Ralph Lewis | Buy P | August 7, 2026 | August 11, 2026 | 4d | 5,000 | $25 | $123K | Form 4 ↗ | ||
| Khani David M. | Buy P | August 7, 2026 | August 11, 2026 | 4d | 8,000 | $25 | $200K | Form 4 ↗ | ||
| Acosta Arcilia | Other A | June 1, 2026 | June 3, 2026 | 2d | 72 | — | — | Form 4 ↗ | ||
| Szabo Shandell | Buy P | June 1, 2026 | June 3, 2026 | 2d | 86 | $27 | $2,360 | Form 4 ↗ | ||
| Acosta Arcilia | Other A | May 8, 2026 | May 12, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| DJEREJIAN EDWARD P | Other A | May 8, 2026 | May 12, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| Ropp Ralph Lewis | Other A | May 8, 2026 | May 12, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| SMITH DAN F | Other A | May 8, 2026 | May 12, 2026 | 4d | 8,028 | — | — | Form 4 ↗ | ||
| Khani David M. | Other A | May 8, 2026 | May 12, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| Szabo Shandell | Other A | May 8, 2026 | May 12, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| LARSON JAMES R | Other A | May 8, 2026 | May 12, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| Szabo Shandell | Sell S | March 30, 2026 | March 31, 2026 | 1d | 11,731 | $32 | $375K | Form 4 ↗ | ||
| Acosta Arcilia | Sell S | March 9, 2026 | March 11, 2026 | 2d | 19,235 | $29 | $560K | Form 4 ↗ | ||
| DJEREJIAN EDWARD P | Sell S | March 10, 2026 | March 11, 2026 | 1d | 18,000 | $29 | $522K | Form 4 ↗ | ||
| SMITH DAN F | Sell S | March 9, 2026 | March 11, 2026 | 2d | 18,000 | $29 | $522K | Form 4 ↗ | ||
| Corales Brian | Sell S | March 9, 2026 | March 11, 2026 | 2d | 33,000 | $29 | $961K | Form 4 ↗ | ||
| Yang Timothy D. | Sell S | March 9, 2026 | March 11, 2026 | 2d | 150,000 | $29 | $4.4M | Form 4 ↗ | ||
| Stavros Christopher G | Sell S | March 9, 2026 | March 11, 2026 | 2d | 119,954 | $29 | $3.5M | Form 4 ↗ | ||
| Stavros Christopher G | Sell F | March 2, 2026 | March 4, 2026 | 2d | 42,863 | $29 | $1.2M | Form 4 ↗ | ||
| Yang Timothy D. | Sell F | March 2, 2026 | March 4, 2026 | 2d | 15,156 | $29 | $433K | Form 4 ↗ | ||
| Corales Brian | Sell F | March 2, 2026 | March 4, 2026 | 2d | 15,916 | $29 | $454K | Form 4 ↗ | ||
| Acosta Arcilia | Other A | March 2, 2026 | March 4, 2026 | 2d | 69 | — | — | Form 4 ↗ | ||
| Yang Timothy D. | Other A | February 5, 2026 | February 9, 2026 | 4d | 42,122 | — | — | derivative | Form 4 ↗ | |
| Yang Timothy D. | Option / conversion M | February 5, 2026 | February 9, 2026 | 4d | 49,532 | — | — | derivative | Form 4 ↗ | |
| Yang Timothy D. | Other A | February 5, 2026 | February 9, 2026 | 4d | 42,122 | — | — | Form 4 ↗ | ||
| Yang Timothy D. | Sell D | February 5, 2026 | February 9, 2026 | 4d | 24,766 | $24 | $594K | Form 4 ↗ | ||
| Yang Timothy D. | Sell F | February 5, 2026 | February 9, 2026 | 4d | 9,746 | $26 | $255K | Form 4 ↗ | ||
| Yang Timothy D. | Option / conversion M | February 5, 2026 | February 9, 2026 | 4d | 49,532 | — | — | Form 4 ↗ | ||
| Corales Brian | Other A | February 5, 2026 | February 9, 2026 | 4d | 40,016 | — | — | derivative | Form 4 ↗ | |
| Corales Brian | Option / conversion M | February 5, 2026 | February 9, 2026 | 4d | 31,708 | — | — | derivative | Form 4 ↗ | |
| Corales Brian | Other A | February 5, 2026 | February 9, 2026 | 4d | 40,016 | — | — | Form 4 ↗ | ||
| Corales Brian | Sell D | February 5, 2026 | February 9, 2026 | 4d | 15,854 | $24 | $380K | Form 4 ↗ | ||
| Corales Brian | Sell F | February 5, 2026 | February 9, 2026 | 4d | 6,239 | $26 | $164K | Form 4 ↗ | ||
| Corales Brian | Option / conversion M | February 5, 2026 | February 9, 2026 | 4d | 31,708 | — | — | Form 4 ↗ | ||
| Stavros Christopher G | Other A | February 5, 2026 | February 9, 2026 | 4d | 121,102 | — | — | derivative | Form 4 ↗ | |
| Stavros Christopher G | Option / conversion M | February 5, 2026 | February 9, 2026 | 4d | 108,603 | — | — | derivative | Form 4 ↗ | |
| Stavros Christopher G | Other A | February 5, 2026 | February 9, 2026 | 4d | 121,103 | — | — | Form 4 ↗ | ||
| Stavros Christopher G | Sell D | February 5, 2026 | February 9, 2026 | 4d | 54,301 | $24 | $1.3M | Form 4 ↗ | ||
| Stavros Christopher G | Sell F | February 5, 2026 | February 9, 2026 | 4d | 21,368 | $26 | $560K | Form 4 ↗ | ||
| Stavros Christopher G | Option / conversion M | February 5, 2026 | February 9, 2026 | 4d | 108,603 | — | — | Form 4 ↗ | ||
| Acosta Arcilia | Other A | December 1, 2025 | December 2, 2025 | 1d | 76 | — | — | Form 4 ↗ | ||
| Ropp Ralph Lewis | Buy P | November 11, 2025 | November 12, 2025 | 1d | 4,500 | $23 | $104K | Form 4 ↗ |
Congressional trades
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Gilbert Ray Cisneros, Jr. | Sell | January 9, 2026 | February 13, 2026 | 35d | — | — | $15K–$50K | House PTR ↗ | ||
| Lisa C. McClain | Sell | October 31, 2025 | November 21, 2025 | 21d | — | — | $1,001–$15K | spouse | House PTR ↗ | |
| Lisa C. McClain | Buy | October 30, 2025 | November 21, 2025 | 22d | — | — | $1,001–$15K | spouse | House PTR ↗ | |
| Lisa C. McClain | Sell | October 30, 2025 | November 21, 2025 | 22d | — | — | $1,001–$15K | spouse | House PTR ↗ |
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Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- How to read a congressional trade report Owner tells you whose asset it was: the member, the spouse, a dependent child, or held jointly.
- Why congressional trade amounts are ranges There are ten ranges; the lowest is $1,001–$15,000 and the highest is over $50,000,000.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 2 | 4 | November 21, 2025 | February 13, 2026 | House Clerk search |
| SEC EDGAR, Form 4 | 32 | 50 | November 12, 2025 | September 25, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk and the Senate eFD. Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.
Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.