As of April 22, 2026, Plains Gp Holdings's top three insider holders are Greg L Armstrong (Chairman Of The Board Ceo, 1.77Mn shares), Willie Cw Chiang (Chairman Ceo, 318.70K shares), Kevin S Mccarthy (Director, 148.69K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Greg L Armstrong | Chairman Of The Board Ceo | 1,765,812 | 0 | 12 Aug, 2025 |
| Willie Cw Chiang | Chairman Ceo | 318,704 | 0 | 29 Sep, 2023 |
| Kevin S Mccarthy | - | 148,691 | 0 | 18 Aug, 2025 |
| Lawrence Michael Ziemba | - | 87,780 | 0 | 18 Aug, 2025 |
| Alexandra Pruner | - | 80,894 | 0 | 18 Aug, 2025 |
| Bobby S Shackouls | - | 73,401 | 0 | 18 Aug, 2025 |
| Gary R Petersen | - | 68,144 | 0 | 18 Aug, 2025 |
| Victor Burk | - | 42,923 | 0 | 18 Aug, 2025 |
| Chris Temple | - | 40,249 | 0 | 16 Aug, 2023 |
| Ellen Desanctis | - | 37,100 | 0 | 18 Aug, 2025 |
| Alexandra Pruner | - | 21,384 | 0 | 16 Aug, 2022 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 14 Aug, 2025 | Ellen Desanctis | Class A Shares | A | 7,650 | $0.00 | 37,100 | D | M |
| 14 Aug, 2025 | Victor Burk | Class A Shares | A | 7,650 | $0.00 | 31,023 | D | M |
| 14 Aug, 2025 | Bobby S Shackouls | Class A Shares | A | 7,650 | $0.00 | 61,501 | D | M |
| 14 Aug, 2025 | Lawrence Michael Ziemba | Class A Shares | A | 7,650 | $0.00 | 75,880 | D | M |
| 14 Aug, 2025 | Kevin S Mccarthy | Class A Shares | A | 7,650 | $0.00 | 136,791 | D | M |
| 14 Aug, 2025 | Alexandra Pruner | Class A Shares | A | 7,650 | $0.00 | 68,994 | D | M |
| 14 Aug, 2025 | Gary R Petersen | Class A Shares | A | 7,650 | $0.00 | 56,244 | D | M |
| 14 Aug, 2025 | Gary R Petersen | Class A Shares | A | 11,900 | $0.00 | 68,144 | D | M |
| 14 Aug, 2025 | Kevin S Mccarthy | Class A Shares | A | 11,900 | $0.00 | 148,691 | D | M |
| 14 Aug, 2025 | Alexandra Pruner | Class A Shares | A | 11,900 | $0.00 | 80,894 | D | M |
| 14 Aug, 2025 | Ellen Desanctis | Phantom Class A Shares | D | 7,650 | $0.00 | 0 | D | M |
| 14 Aug, 2025 | Lawrence Michael Ziemba | Class A Shares | A | 11,900 | $0.00 | 87,780 | D | M |
| 14 Aug, 2025 | Bobby S Shackouls | Class A Shares | A | 11,900 | $0.00 | 73,401 | D | M |
| 14 Aug, 2025 | Victor Burk | Class A Shares | A | 11,900 | $0.00 | 42,923 | D | M |
| 14 Aug, 2025 | Lawrence Michael Ziemba | Phantom Class A Shares | D | 7,650 | $0.00 | 0 | D | M |
| 14 Aug, 2025 | Alexandra Pruner | Phantom Class A Shares | D | 7,650 | $0.00 | 0 | D | M |
| 14 Aug, 2025 | Victor Burk | Phantom Class A Shares | D | 7,650 | $0.00 | 0 | D | M |
| 14 Aug, 2025 | Bobby S Shackouls | Phantom Class A Shares | D | 7,650 | $0.00 | 0 | D | M |
| 14 Aug, 2025 | Gary R Petersen | Phantom Class A Shares | D | 7,650 | $0.00 | 0 | D | M |
| 14 Aug, 2025 | Ellen Desanctis | Phantom Class A Shares | A | 7,400 | $0.00 | 7,400 | D | A |