As of April 22, 2026, the three largest insider holders of POOL are De La Mesa Manuel J Perez (Vice Chairman, 920.08K shares), Peter D Arvan (President/Ceo, 111.00K shares), Romain Kenneth G St (Senior Vice President, 92.26K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| De La Mesa Manuel J Perez | Vice Chairman | 0 | 920,080 | 08 Apr, 2026 |
| Peter D Arvan | President/Ceo | 110,999 | 0 | 27 Feb, 2026 |
| Romain Kenneth G St | Senior Vice President | 92,258 | 0 | 27 Feb, 2026 |
| Romain Kenneth G St | Senior Vice President | 92,258 | 0 | 27 Feb, 2026 |
| Mark W Joslin | Senior Vice President | 85,195 | 0 | 05 Aug, 2021 |
| Melanie M Hart | Senior Vp Cfo And Treasurer | 26,387 | 0 | 27 Mar, 2026 |
| Jennifer M Neil | Sr Vp, Sec Chief Legal Off | 13,969 | 0 | 26 Mar, 2026 |
| De La Mesa Manuel J Perez | Vice Chairman | 12,075 | 0 | 26 Feb, 2026 |
| John Bruce Watwood | Executive Vice President | 8,498 | 0 | 27 Feb, 2026 |
| John Bruce Watwood | Executive Vice President | 8,498 | 0 | 27 Feb, 2026 |
| David G Whalen | - | 7,767 | 0 | 27 Mar, 2026 |
| David G Whalen | - | 7,767 | 0 | 27 Mar, 2026 |
| Timothy M Graven | - | 6,024 | 0 | 05 May, 2022 |
| De La Mesa Manuel J Perez | Vice Chairman | 0 | 6,000 | 19 Nov, 2021 |
| Jeffrey Clay | President Horizon | 5,093 | 0 | 25 Feb, 2022 |
| Debra Sue Oler | - | 2,963 | 0 | 02 May, 2025 |
| James D Hope | - | 2,570 | 0 | 27 Feb, 2026 |
| Robert C Sledd | - | 2,529 | 0 | 05 May, 2023 |
| Robert C Sledd | - | 2,529 | 0 | 05 May, 2023 |
| Kristopher Robert Neff | Vice President, Strategy Cor | 2,456 | 0 | 01 Mar, 2024 |
| David B. Collier | Vice President Of Operations A | 2,453 | 0 | 25 Feb, 2022 |
| Robert C Sledd | - | 0 | 2,300 | 09 Aug, 2021 |
| Robert C Sledd | - | 0 | 2,300 | 09 Aug, 2021 |
| Ilya Mihaly | Vice President Operations | 2,204 | 0 | 01 Mar, 2024 |
| Walker Saik | Chief Accounting Officer | 1,981 | 0 | 27 Feb, 2026 |
| Walker Saik | Chief Accounting Officer | 1,981 | 0 | 27 Feb, 2026 |
| Martha S Gervasi | - | 1,973 | 0 | 02 May, 2025 |
| Carlos A. Sabater | - | 1,915 | 0 | 02 May, 2025 |
| Carlos A. Sabater | - | 1,915 | 0 | 02 May, 2025 |
| Kevin Michael Murphy | - | 461 | 0 | 02 May, 2025 |
| De La Mesa Manuel J Perez | Vice Chairman | 0 | 130 | 02 Aug, 2021 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 07 Apr, 2026 | De La Mesa Manuel J Perez | Common Stock | D | 90,000 | $0.00 | 20,108 | I | G |
| 07 Apr, 2026 | De La Mesa Manuel J Perez | Common Stock | A | 90,000 | $0.00 | 899,972 | I | G |
| 26 Mar, 2026 | David G Whalen | Common Stock | A | 45 | $202.82 | 7,767 | D | L |
| 25 Mar, 2026 | Melanie M Hart | Common Stock | A | 8 | $202.48 | 26,387 | D | L |
| 26 Mar, 2026 | David G Whalen | Common Stock | A | 45 | $202.82 | 7,767 | D | L |
| 24 Mar, 2026 | Jennifer M Neil | Common Stock | D | 508 | $203.60 | 13,969 | D | S |
| 13 Mar, 2026 | De La Mesa Manuel J Perez | Common Stock | A | 5,000 | $205.00 | 110,108 | I | P |
| 02 Mar, 2026 | De La Mesa Manuel J Perez | Common Stock | A | 5,000 | $218.00 | 105,108 | I | P |
| 25 Feb, 2026 | Romain Kenneth G St | Common Stock | A | 3,260 | $0.00 | 85,738 | D | A |
| 25 Feb, 2026 | Walker Saik | Common Stock | A | 792 | $0.00 | 1,981 | D | A |
| 25 Feb, 2026 | James D Hope | Common Stock | A | 1,405 | $213.64 | 2,570 | D | P |
| 25 Feb, 2026 | Romain Kenneth G St | Common Stock | A | 3,260 | $0.00 | 85,738 | D | A |
| 25 Feb, 2026 | Melanie M Hart | Common Stock | A | 2,852 | $0.00 | 20,675 | D | A |
| 25 Feb, 2026 | John Bruce Watwood | Common Stock | A | 5,006 | $0.00 | 5,006 | D | A |
| 25 Feb, 2026 | John Bruce Watwood | Common Stock | A | 5,006 | $0.00 | 5,006 | D | A |
| 25 Feb, 2026 | Jennifer M Neil | Common Stock | A | 1,807 | $0.00 | 10,863 | D | A |
| 25 Feb, 2026 | Peter D Arvan | Common Stock | A | 10,768 | $0.00 | 89,463 | D | A |
| 25 Feb, 2026 | Walker Saik | Common Stock | A | 792 | $0.00 | 1,981 | D | A |
| 25 Feb, 2026 | Romain Kenneth G St | Common Stock | A | 6,520 | $0.00 | 92,258 | D | A |
| 25 Feb, 2026 | John Bruce Watwood | Common Stock | A | 3,492 | $0.00 | 8,498 | D | A |