Company / CIK 0001698990
Magnolia Oil & Gas Corp
- Ticker
- MGY
- Size, estimated from filings
- Mid cap ($2B – $10B)
- Insiders on file
- 10
- Members of Congress who traded it
- 2
- Federal contracts on record
- none matched
- Lobbying filings on record
- none matched
- SEC filings
- EDGAR ↗
- Latest trade on record
- September 24, 2026
Magnolia Oil & Gas Corp (MGY) has 10 insiders on file who disclosed 50 transactions in the last 12 months (5 open-market buys, 19 sales, about $17.1M at reported prices), and 4 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name; no lobbying filing names it as client this year.
Magnolia Oil & Gas Corp 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 Magnolia Oil & Gas Corp over the last 12 months; the most active is Stavros Christopher G with $6.8M.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| Stavros Christopher G | CEO & CHAIRMAN | 10 | 0 | 5 | September 25, 2026 |
| Corales Brian | SVP & CHIEF FINANCIAL OFFICER | 10 | 0 | 5 | September 25, 2026 |
| Yang Timothy D. | EVP - GENERAL COUNSEL & SEC | 10 | 0 | 5 | September 25, 2026 |
| Acosta Arcilia | Director | 6 | 0 | 1 | September 3, 2026 |
| Khani David M. | Director | 3 | 2 | 0 | September 3, 2026 |
| Ropp Ralph Lewis | Director | 3 | 2 | 0 | August 11, 2026 |
| Szabo Shandell | Director | 3 | 1 | 1 | June 3, 2026 |
| SMITH DAN F | Director | 2 | 0 | 1 | May 12, 2026 |
| DJEREJIAN EDWARD P | Director | 2 | 0 | 1 | May 12, 2026 |
| LARSON JAMES R | Director | 1 | 0 | 0 | May 12, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded MGY
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the MGY page.
| 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 | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Corales Brian | MGY | Sell F | September 24, 2026 | September 25, 2026 | 1d | 4,798 | $25 | $119K | Form 4 ↗ | ||
| Corales Brian | MGY | Other A | September 24, 2026 | September 25, 2026 | 1d | 12,193 | — | — | Form 4 ↗ | ||
| Yang Timothy D. | MGY | Sell F | September 24, 2026 | September 25, 2026 | 1d | 5,270 | $25 | $130K | Form 4 ↗ | ||
| Yang Timothy D. | MGY | Other A | September 24, 2026 | September 25, 2026 | 1d | 13,392 | — | — | Form 4 ↗ | ||
| Stavros Christopher G | MGY | Sell F | September 24, 2026 | September 25, 2026 | 1d | 9,855 | $25 | $244K | Form 4 ↗ | ||
| Stavros Christopher G | MGY | Other A | September 24, 2026 | September 25, 2026 | 1d | 25,044 | — | — | Form 4 ↗ | ||
| Acosta Arcilia | MGY | Other A | September 1, 2026 | September 3, 2026 | 2d | 80 | — | — | Form 4 ↗ | ||
| Khani David M. | MGY | Buy P | September 1, 2026 | September 3, 2026 | 2d | 54 | $27 | $1,446 | Form 4 ↗ | ||
| Ropp Ralph Lewis | MGY | Buy P | August 7, 2026 | August 11, 2026 | 4d | 5,000 | $25 | $123K | Form 4 ↗ | ||
| Khani David M. | MGY | Buy P | August 7, 2026 | August 11, 2026 | 4d | 8,000 | $25 | $200K | Form 4 ↗ | ||
| Acosta Arcilia | MGY | Other A | June 1, 2026 | June 3, 2026 | 2d | 72 | — | — | Form 4 ↗ | ||
| Szabo Shandell | MGY | Buy P | June 1, 2026 | June 3, 2026 | 2d | 86 | $27 | $2,360 | Form 4 ↗ | ||
| Acosta Arcilia | MGY | Other A | May 8, 2026 | May 12, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| DJEREJIAN EDWARD P | MGY | Other A | May 8, 2026 | May 12, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| Ropp Ralph Lewis | MGY | Other A | May 8, 2026 | May 12, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| SMITH DAN F | MGY | Other A | May 8, 2026 | May 12, 2026 | 4d | 8,028 | — | — | Form 4 ↗ | ||
| Khani David M. | MGY | Other A | May 8, 2026 | May 12, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| Szabo Shandell | MGY | Other A | May 8, 2026 | May 12, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| LARSON JAMES R | MGY | Other A | May 8, 2026 | May 12, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| Szabo Shandell | MGY | Sell S | March 30, 2026 | March 31, 2026 | 1d | 11,731 | $32 | $375K | Form 4 ↗ | ||
| Acosta Arcilia | MGY | Sell S | March 9, 2026 | March 11, 2026 | 2d | 19,235 | $29 | $560K | Form 4 ↗ | ||
| DJEREJIAN EDWARD P | MGY | Sell S | March 10, 2026 | March 11, 2026 | 1d | 18,000 | $29 | $522K | Form 4 ↗ | ||
| SMITH DAN F | MGY | Sell S | March 9, 2026 | March 11, 2026 | 2d | 18,000 | $29 | $522K | Form 4 ↗ | ||
| Corales Brian | MGY | Sell S | March 9, 2026 | March 11, 2026 | 2d | 33,000 | $29 | $961K | Form 4 ↗ | ||
| Yang Timothy D. | MGY | Sell S | March 9, 2026 | March 11, 2026 | 2d | 150,000 | $29 | $4.4M | Form 4 ↗ | ||
| Stavros Christopher G | MGY | Sell S | March 9, 2026 | March 11, 2026 | 2d | 119,954 | $29 | $3.5M | Form 4 ↗ | ||
| Stavros Christopher G | MGY | Sell F | March 2, 2026 | March 4, 2026 | 2d | 42,863 | $29 | $1.2M | Form 4 ↗ | ||
| Yang Timothy D. | MGY | Sell F | March 2, 2026 | March 4, 2026 | 2d | 15,156 | $29 | $433K | Form 4 ↗ | ||
| Corales Brian | MGY | Sell F | March 2, 2026 | March 4, 2026 | 2d | 15,916 | $29 | $454K | Form 4 ↗ | ||
| Acosta Arcilia | MGY | Other A | March 2, 2026 | March 4, 2026 | 2d | 69 | — | — | Form 4 ↗ | ||
| Yang Timothy D. | MGY | Other A | February 5, 2026 | February 9, 2026 | 4d | 42,122 | — | — | derivative | Form 4 ↗ | |
| Yang Timothy D. | MGY | Option / conversion M | February 5, 2026 | February 9, 2026 | 4d | 49,532 | — | — | derivative | Form 4 ↗ | |
| Yang Timothy D. | MGY | Other A | February 5, 2026 | February 9, 2026 | 4d | 42,122 | — | — | Form 4 ↗ | ||
| Yang Timothy D. | MGY | Sell D | February 5, 2026 | February 9, 2026 | 4d | 24,766 | $24 | $594K | Form 4 ↗ | ||
| Yang Timothy D. | MGY | Sell F | February 5, 2026 | February 9, 2026 | 4d | 9,746 | $26 | $255K | Form 4 ↗ | ||
| Yang Timothy D. | MGY | Option / conversion M | February 5, 2026 | February 9, 2026 | 4d | 49,532 | — | — | Form 4 ↗ | ||
| Corales Brian | MGY | Other A | February 5, 2026 | February 9, 2026 | 4d | 40,016 | — | — | derivative | Form 4 ↗ | |
| Corales Brian | MGY | Option / conversion M | February 5, 2026 | February 9, 2026 | 4d | 31,708 | — | — | derivative | Form 4 ↗ | |
| Corales Brian | MGY | Other A | February 5, 2026 | February 9, 2026 | 4d | 40,016 | — | — | Form 4 ↗ | ||
| Corales Brian | MGY | Sell D | February 5, 2026 | February 9, 2026 | 4d | 15,854 | $24 | $380K | Form 4 ↗ | ||
| Corales Brian | MGY | Sell F | February 5, 2026 | February 9, 2026 | 4d | 6,239 | $26 | $164K | Form 4 ↗ | ||
| Corales Brian | MGY | Option / conversion M | February 5, 2026 | February 9, 2026 | 4d | 31,708 | — | — | Form 4 ↗ | ||
| Stavros Christopher G | MGY | Other A | February 5, 2026 | February 9, 2026 | 4d | 121,102 | — | — | derivative | Form 4 ↗ | |
| Stavros Christopher G | MGY | Option / conversion M | February 5, 2026 | February 9, 2026 | 4d | 108,603 | — | — | derivative | Form 4 ↗ | |
| Stavros Christopher G | MGY | Other A | February 5, 2026 | February 9, 2026 | 4d | 121,103 | — | — | Form 4 ↗ | ||
| Stavros Christopher G | MGY | Sell D | February 5, 2026 | February 9, 2026 | 4d | 54,301 | $24 | $1.3M | Form 4 ↗ | ||
| Stavros Christopher G | MGY | Sell F | February 5, 2026 | February 9, 2026 | 4d | 21,368 | $26 | $560K | Form 4 ↗ | ||
| Stavros Christopher G | MGY | Option / conversion M | February 5, 2026 | February 9, 2026 | 4d | 108,603 | — | — | Form 4 ↗ | ||
| Acosta Arcilia | MGY | Other A | December 1, 2025 | December 2, 2025 | 1d | 76 | — | — | Form 4 ↗ | ||
| Ropp Ralph Lewis | MGY | Buy P | November 11, 2025 | November 12, 2025 | 1d | 4,500 | $23 | $104K | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "Magnolia Oil & Gas Corp". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
No LDA filing posted since October 2025 names "Magnolia Oil & Gas Corp" as the client. Filings under a subsidiary or trade-association name are not matched — search lobbying.
Related companies
Companies whose stock was traded by the same people who traded MGY, by number of filers in common. It shows overlap in public filings and nothing else.
- Uber Technologies, Inc UBER 2 filers in common
- Datadog, Inc. DDOG 2 filers in common
- Arista Networks, Inc. ANET 2 filers in common
- Meta Platforms, Inc. META 2 filers in common
- NETFLIX INC NFLX 2 filers in common
- INTUIT INC. INTU 2 filers in common
- APPFOLIO INC APPF 2 filers in common
- NVIDIA CORP NVDA 2 filers in common
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.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
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.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.