GLP's three largest insider shareholders as of March 23, 2026 are Eric Slifka (Vice Chairman, President Ceo, 570.41K shares), Andrew P. Slifka (Executive Vice President, 529.09K shares), Mark Romaine (Chief Operating Officer, 166.36K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Eric Slifka | Vice Chairman, President Ceo | 0 | 570,408 | 26 Mar, 2024 |
| Andrew P. Slifka | Executive Vice President | 529,088 | 0 | 06 Aug, 2021 |
| Mark Romaine | Chief Operating Officer | 141,174 | 0 | 23 Mar, 2026 |
| Eric Slifka | Chairman, President Ceo | 97,751 | 0 | 27 Feb, 2026 |
| Gregory B. Hanson | Chief Financial Officer | 87,085 | 0 | 27 Feb, 2026 |
| Matthew Spencer | Chief Accounting Officer | 55,437 | 0 | 27 Feb, 2026 |
| Sean T. Geary | Chief Legal Officer Sec. | 48,333 | 0 | 06 May, 2025 |
| Robert J Mccool | 45,018 | 0 | 09 Jan, 2024 | |
| Gp Llc Global | 24,153 | 0 | 27 Feb, 2026 | |
| Jaime Pereira | 13,814 | 0 | 07 Jan, 2026 | |
| John T Hailer | 13,314 | 0 | 07 Jan, 2026 | |
| Robert W Owens | 13,314 | 0 | 07 Jan, 2026 | |
| Clare Mcgrory Kelly | 8,813 | 0 | 07 Jan, 2026 | |
| Jaime Pereira | 0 | 2,000 | 11 Oct, 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 |
|---|---|---|---|---|---|---|---|---|
| 19 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 3,245 | $48.10 | 143,629 | D | S |
| 20 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 2,020 | $48.19 | 141,609 | D | S |
| 23 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 435 | $47.31 | 141,174 | D | S |
| 12 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 1,323 | $47.62 | 163,385 | D | S |
| 13 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 900 | $47.50 | 162,485 | D | S |
| 16 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 3,376 | $47.00 | 159,109 | D | S |
| 17 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 7,500 | $47.39 | 151,609 | D | S |
| 18 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 4,735 | $47.76 | 146,874 | D | S |
| 11 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 1,649 | $48.03 | 164,708 | D | S |
| 12 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 1,148 | $47.56 | 163,560 | D | S |
| 13 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 900 | $47.50 | 162,660 | D | S |
| 09 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 2,500 | $48.00 | 166,609 | D | S |
| 10 Mar, 2026 | Mark Romaine | Common Units representing limited partner interests | D | 252 | $48.50 | 166,357 | D | S |
| 26 Feb, 2026 | Robert W Owens | Phantom Units | A | 3,618 | $0.00 | 3,618 | D | A |
| 26 Feb, 2026 | Clare Mcgrory Kelly | Phantom Units | A | 3,618 | $0.00 | 3,618 | D | A |
| 26 Feb, 2026 | John T Hailer | Phantom Units | A | 3,618 | $0.00 | 3,618 | D | A |
| 26 Feb, 2026 | Jaime Pereira | Phantom Units | A | 3,618 | $0.00 | 3,618 | D | A |
| 25 Feb, 2026 | Mark Romaine | Common units representing limited partner interests | A | 47,210 | $0.00 | 191,935 | D | A |
| 25 Feb, 2026 | Eric Slifka | Common units representing limited partner interests | A | 128,756 | $0.00 | 160,004 | D | A |
| 25 Feb, 2026 | Gp Llc Global | Common units representing limited partner interests | D | 247,928 | $48.19 | 0 | D | J |