MGY (Magnolia Oil & Gas Corporation Class A Common Stock)
Insider Trading Activity
Every open-market purchase and sale reported by MGY officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-03 | Arcilia Acosta | Director | A | — | — |
| 2026-09-03 | David M. Khani | Director | Buy | — | — |
| 2026-08-11 | David M. Khani | Director | Buy | — | — |
| 2026-08-11 | Ralph Lewis Ropp | Director | Buy | — | — |
| 2026-06-03 | Shandell Szabo | Director | Buy | — | — |
| 2026-06-03 | Arcilia Acosta | Director | A | — | — |
| 2026-05-12 | Ralph Lewis Ropp | Director | A | — | — |
| 2026-05-12 | Arcilia Acosta | Director | A | — | — |
| 2026-05-12 | JAMES R LARSON | Director | A | — | — |
| 2026-05-12 | EDWARD P DJEREJIAN | Director | A | — | — |
| 2026-05-12 | DAN F SMITH | Director | A | — | — |
| 2026-05-12 | Shandell Szabo | Director | A | — | — |
| 2026-05-12 | David M. Khani | Director | A | — | — |
| 2026-03-11 | Arcilia Acosta | Director | Sell | — | — |
| 2026-03-11 | EDWARD P DJEREJIAN | Director | Sell | — | — |
| 2026-03-11 | DAN F SMITH | Director | Sell | — | — |
| 2026-03-11 | Brian Corales | SVP & CHIEF FINANCIAL OFFICER | Sell | — | — |
| 2026-03-11 | Christopher G Stavros | CEO & CHAIRMAN | Sell | — | — |
| 2026-03-11 | Timothy D. Yang | EVP, CHIEF LEGAL & COMM & SEC | Sell | — | — |
| 2026-03-04 | Timothy D. Yang | EVP - GENERAL COUNSEL & SEC | F | — | — |
| 2026-03-04 | Brian Corales | SVP & CHIEF FINANCIAL OFFICER | F | — | — |
| 2026-03-04 | Arcilia Acosta | Director | A | — | — |
| 2026-03-04 | Christopher G Stavros | CEO & CHAIRMAN | F | — | — |
| 2026-02-09 | Brian Corales | SVP & CHIEF FINANCIAL OFFICER | MIXED | — | — |
| 2026-02-09 | Christopher G Stavros | CEO & CHAIRMAN | MIXED | — | — |
| 2026-02-09 | Timothy D. Yang | EVP - GENERAL COUNSEL & SEC | MIXED | — | — |
| 2025-12-02 | Arcilia Acosta | Director | A | — | — |
| 2025-11-12 | Ralph Lewis Ropp | Director | Buy | — | — |
| 2025-09-03 | Arcilia Acosta | Director | A | — | — |
| 2025-06-04 | Arcilia Acosta | Director | A | — | — |
| 2025-05-09 | David M. Khani | Director | A | — | — |
| 2025-05-09 | EDWARD P DJEREJIAN | Director | A | — | — |
| 2025-05-09 | DAN F SMITH | Director | A | — | — |
| 2025-05-09 | Ralph Lewis Ropp | Director | A | — | — |
| 2025-05-09 | JAMES R LARSON | Director | A | — | — |
| 2025-05-09 | Arcilia Acosta | Director | A | — | — |
| 2025-05-09 | Shandell Szabo | Director | A | — | — |
| 2025-05-05 | Shandell Szabo | Director | Buy | — | — |
| 2025-03-05 | Christopher G Stavros | CEO & DIRECTOR | Buy | — | — |
| 2025-03-04 | Christopher G Stavros | CEO & DIRECTOR | MIXED | — | — |
| 2025-03-04 | Arcilia Acosta | Director | A | — | — |
| 2025-03-04 | Brian Corales | SVP & CHIEF FINANCIAL OFFICER | MIXED | — | — |
| 2025-03-04 | Timothy D. Yang | EVP - GENERAL COUNSEL & SEC | MIXED | — | — |
| 2025-02-14 | Christopher G Stavros | CEO & DIRECTOR | A | — | — |
| 2025-02-14 | Timothy D. Yang | EVP - GENERAL COUNSEL & SEC | A | — | — |
| 2025-02-14 | Brian Corales | SVP & CHIEF FINANCIAL OFFICER | A | — | — |
| 2025-01-08 | Ralph Lewis Ropp | Director | A | — | — |
| 2024-12-04 | Arcilia Acosta | Director | A | — | — |
| 2024-09-25 | John B Walker | Director | MIXED | — | — |
| 2024-09-25 | EnerVest Energy Institutional Fund XIV-3A, L.P. | Director | MIXED | — | — |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| — | 10%+ Owner | 16,833,715 | — |
| — | 10%+ Owner | 16,164,961 | — |
| — | 10%+ Owner | 15,796,077 | — |
| — | Director | 10,912,450 | — |
| — | Director | 9,714,888 | — |
| — | CHAIRMAN, CEO, PRESIDENT | 7,045,971 | — |
| — | — | 4,739,224 | — |
| — | Director | 2,099,403 | — |
| — | Director | 1,877,464 | — |
| — | CEO & CHAIRMAN | 883,592 | — |
| — | EVP, CHIEF LEGAL & COMM & SEC | 526,661 | — |
| — | SVP - OPERATIONS | 328,820 | — |
| — | SVP & CHIEF FINANCIAL OFFICER | 184,178 | — |
| — | Director | 134,721 | — |
| — | Director | 127,232 | — |
| — | Director | 116,745 | — |
| — | Director | 97,295 | — |
| — | Director | 94,161 | — |
| — | VP, CAO & CONTROLLER | 92,888 | — |
| — | Director | 30,676 | — |
| — | Director | 26,007 | — |
| — | Director | 20,710 | — |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the MGY quote page; the site-wide leaderboard is on the insider transactions hub.