As of September 05, 2026, the three largest insider holders of PAGP 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).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Greg L Armstrong | Chairman Of The Board Ceo | 1,765,812 | 0 | 1,765,812 | 68.1% | 12 Aug, 2025 |
| 2 | Willie Cw Chiang | Chairman Ceo | 318,704 | 0 | 318,704 | 12.3% | 29 Sep, 2023 |
| 3 | Kevin S Mccarthy | Director | 148,691 | 0 | 148,691 | 5.7% | 18 Aug, 2025 |
| 4 | Alexandra Pruner | Director | 109,678 | 0 | 109,678 | 4.2% | 17 Aug, 2026 |
| 5 | Bobby S Shackouls | Director | 80,801 | 0 | 80,801 | 3.1% | 17 Aug, 2026 |
| 6 | Gary R Petersen | Director | 75,544 | 0 | 75,544 | 2.9% | 17 Aug, 2026 |
| 7 | Victor Burk | Director | 50,323 | 0 | 50,323 | 1.9% | 17 Aug, 2026 |
| 8 | Ellen Desanctis | Director | 44,500 | 0 | 44,500 | 1.7% | 17 Aug, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 14 Aug, 2026 | Victor Burk | Director | Acquired M | 7,400 | $0.00 | $0 | 50,323 | Direct |
| 13 Aug, 2026 | Cindy B Taylor | Director | Acquired A | 7,700 | $0.00 | $0 | 7,700 | Direct |
| 14 Aug, 2026 | Ellen Desanctis | Director | Acquired M | 7,400 | $0.00 | $0 | 44,500 | Direct |
| 14 Aug, 2026 | Alexandra Pruner | Director | Acquired M | 7,400 | $0.00 | $0 | 88,294 | Direct |
| 14 Aug, 2026 | Bobby S Shackouls | Director | Acquired M | 7,400 | $0.00 | $0 | 80,801 | Direct |
| 14 Aug, 2026 | Gary R Petersen | Director | Acquired M | 7,400 | $0.00 | $0 | 75,544 | Direct |
| 14 Aug, 2026 | Alexandra Pruner | Director | Disposed M | 7,400 | $0.00 | $0 | 0 | Direct |
| 14 Aug, 2026 | Gary R Petersen | Director | Disposed M | 7,400 | $0.00 | $0 | 0 | Direct |
| 14 Aug, 2026 | Bobby S Shackouls | Director | Disposed M | 7,400 | $0.00 | $0 | 0 | Direct |
| 14 Aug, 2026 | Victor Burk | Director | Disposed M | 7,400 | $0.00 | $0 | 0 | Direct |
| 14 Aug, 2026 | Ellen Desanctis | Director | Disposed M | 7,400 | $0.00 | $0 | 0 | Direct |
| 13 Aug, 2026 | Bobby S Shackouls | Director | Acquired A | 6,150 | $0.00 | $0 | 6,150 | Direct |
| 13 Aug, 2026 | Victor Burk | Director | Acquired A | 6,150 | $0.00 | $0 | 6,150 | Direct |
| 13 Aug, 2026 | Gary R Petersen | Director | Acquired A | 6,150 | $0.00 | $0 | 6,150 | Direct |
| 13 Aug, 2026 | Ellen Desanctis | Director | Acquired A | 6,150 | $0.00 | $0 | 6,150 | Direct |
| 13 Aug, 2026 | Alexandra Pruner | Director | Acquired A | 6,150 | $0.00 | $0 | 6,150 | Direct |
| 14 Aug, 2025 | Bobby S Shackouls | Director | Acquired M | 7,650 | $0.00 | $0 | 61,501 | Direct |
| 14 Aug, 2025 | Bobby S Shackouls | Director | Acquired M | 7,650 | $0.00 | $0 | 61,501 | Direct |
| 14 Aug, 2025 | Bobby S Shackouls | Director | Acquired M | 7,650 | $0.00 | $0 | 61,501 | Direct |
| 14 Aug, 2025 | Gary R Petersen | Director | Acquired M | 7,650 | $0.00 | $0 | 56,244 | Direct |