Data spanning the past 90 days through February 15, 2026 reveals that Magnolia Oil & Gas's three principal insider shareholders consist of Chairman And Ceo And President Stephen I Chazen (7.05Mn shares), Director John B Walker (2.71Mn shares), Director Ltd. Enervest, (2.10Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Stephen I Chazen | Chairman And Ceo And President | 7,045,971 | 05 Aug, 2021 |
| John B Walker | 2,714,888 | 09 May, 2024 | |
| Ltd. Enervest, | 2,099,403 | 25 Sep, 2024 | |
| Christopher G Stavros | Ceo & Chairman | 1,046,409 | 09 Feb, 2026 |
| Timothy D. Yang | Evp General Counsel & Sec | 691,817 | 09 Feb, 2026 |
| Steve Millican | Svp Operations | 328,820 | 05 Mar, 2024 |
| Brian Corales | Svp & Chief Financial Officer | 233,094 | 09 Feb, 2026 |
| Arcilia Acosta | 147,415 | 02 Dec, 2025 | |
| Dan F Smith | 137,204 | 09 May, 2025 | |
| Edward P Djerejian | 128,425 | 09 May, 2025 | |
| Angela M Busch | 94,161 | 05 Mar, 2024 | |
| Valerie Chase | Vp And Cao & Controller | 92,888 | 04 Aug, 2021 |
| James R Larson | 90,975 | 09 May, 2025 | |
| Shandell Szabo | 26,035 | 09 May, 2025 | |
| David M. Khani | 16,302 | 09 May, 2025 | |
| Ralph Lewis Ropp | 14,687 | 12 Nov, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 05 Feb, 2026 | Christopher G Stavros | Class A Common Stock | A | 108,603 | - | 1,000,975 | D | M |
| 05 Feb, 2026 | Christopher G Stavros | Class A Common Stock | D | 54,301 | $23.98 | 925,306 | D | D |
| 05 Feb, 2026 | Christopher G Stavros | Class A Common Stock | D | 21,368 | $26.21 | 979,607 | D | F |
| 05 Feb, 2026 | Christopher G Stavros | Class A Common Stock | A | 121,103 | $0.00 | 1,046,409 | D | A |
| 05 Feb, 2026 | Timothy D. Yang | Class A Common Stock | A | 42,122 | $0.00 | 691,817 | D | A |
| 05 Feb, 2026 | Timothy D. Yang | Class A Common Stock | D | 9,746 | $26.21 | 674,461 | D | F |
| 05 Feb, 2026 | Timothy D. Yang | Class A Common Stock | A | 49,532 | - | 684,207 | D | M |
| 05 Feb, 2026 | Timothy D. Yang | Class A Common Stock | D | 24,766 | $23.98 | 649,695 | D | D |
| 05 Feb, 2026 | Brian Corales | Class A Common Stock | D | 6,239 | $26.21 | 208,932 | D | F |
| 05 Feb, 2026 | Brian Corales | Class A Common Stock | A | 40,016 | $0.00 | 233,094 | D | A |
| 05 Feb, 2026 | Brian Corales | Class A Common Stock | A | 31,708 | - | 215,171 | D | M |
| 05 Feb, 2026 | Brian Corales | Class A Common Stock | D | 15,854 | $23.98 | 193,078 | D | D |
| 01 Dec, 2025 | Arcilia Acosta | Class A Common Stock | A | 76 | $0.00 | 147,415 | D | A |
| 01 Dec, 2025 | Arcilia Acosta | - | - | 147,415 | D | |||
| 11 Nov, 2025 | Ralph Lewis Ropp | - | - | 14,687 | D | |||
| 11 Nov, 2025 | Ralph Lewis Ropp | Class A Common Stock | A | 4,500 | $23.10 | 14,687 | D | P |
| 02 Sep, 2025 | Arcilia Acosta | Class A Common Stock | A | 71 | $0.00 | 147,339 | D | A |
| 02 Jun, 2025 | Arcilia Acosta | Class A Common Stock | A | 81 | $0.00 | 147,268 | D | A |
| 07 May, 2025 | Edward P Djerejian | - | - | 128,425 | D | |||
| 07 May, 2025 | Edward P Djerejian | Class A Common Stock | A | 7,940 | $0.00 | 128,425 | D | A |