Based on data from the past 90 days ending February 19, 2026, Pool's three largest insider shareholders are Director De La Mesa Manuel J Perez (97.45K shares), President/Ceo Peter D Arvan (86.41K shares), Senior Vice President Mark W Joslin (85.19K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| De La Mesa Manuel J Perez | 97,450 | 01 Apr, 2025 | |
| Peter D Arvan | President/Ceo | 86,412 | 03 Dec, 2025 |
| Mark W Joslin | Senior Vice President | 85,195 | 05 Aug, 2021 |
| Romain Kenneth G St | Senior Vice President | 79,304 | 28 Feb, 2025 |
| Hart Melanie Housey | Senior Vp Cfo And Treasurer | 19,727 | 28 Feb, 2025 |
| John E Stokely | 14,586 | 02 May, 2025 | |
| Harlan F Seymour | 10,659 | 05 May, 2022 | |
| Jennifer M Neil | Sr Vp And Sec & Chief Legal Off | 9,667 | 01 Apr, 2025 |
| David G Whalen | 7,722 | 01 Dec, 2025 | |
| Timothy M Graven | 6,024 | 05 May, 2022 | |
| Jeffrey Clay | President Horizon | 5,093 | 25 Feb, 2022 |
| Robert C Sledd | 4,829 | 05 May, 2023 | |
| Debra Sue Oler | 2,963 | 02 May, 2025 | |
| Kristopher Robert Neff | Vice President And Strategy & Cor | 2,456 | 01 Mar, 2024 |
| David B. Collier | Vice President Of Operations A | 2,453 | 25 Feb, 2022 |
| Ilya Mihaly | Vice President Operations & | 2,204 | 01 Mar, 2024 |
| Martha S Gervasi | 1,973 | 02 May, 2025 | |
| Carlos A. Sabater | 1,915 | 02 May, 2025 | |
| Walker Saik | Chief Accounting Officer | 1,218 | 28 Feb, 2025 |
| James D Hope | 1,165 | 02 May, 2025 | |
| Kevin Michael Murphy | 461 | 02 May, 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 Jan, 2026 | De La Mesa Manuel J Perez | Common Stock | D | 480 | $0.00 | 97,450 | I | G |
| 02 Dec, 2025 | Peter D Arvan | Common Stock | D | 2,454 | $244.65 | 88,958 | D | S |
| 02 Dec, 2025 | Peter D Arvan | Common Stock | D | 1,402 | $246.84 | 86,412 | D | S |
| 02 Dec, 2025 | Peter D Arvan | - | - | 86,412 | D | |||
| 02 Dec, 2025 | Peter D Arvan | Common Stock | D | 1,144 | $245.98 | 87,814 | D | S |
| 02 Dec, 2025 | Peter D Arvan | - | - | 87,814 | D | |||
| 02 Dec, 2025 | Peter D Arvan | - | - | 88,958 | D | |||
| 26 Nov, 2025 | David G Whalen | - | - | 7,722 | D | |||
| 26 Nov, 2025 | David G Whalen | Common Stock | A | 37 | $243.13 | 7,722 | D | L |
| 28 Aug, 2025 | David G Whalen | Common Stock | A | 28 | $319.01 | 7,685 | D | L |
| 12 Aug, 2025 | De La Mesa Manuel J Perez | Common Stock | A | 3,284 | $0.00 | 6,000 | I | G |
| 12 Aug, 2025 | De La Mesa Manuel J Perez | - | - | 6,000 | I | |||
| 12 Aug, 2025 | De La Mesa Manuel J Perez | - | - | 812,630 | I | |||
| 12 Aug, 2025 | De La Mesa Manuel J Perez | Common Stock | D | 3,284 | $0.00 | 812,630 | I | G |
| 16 Jun, 2025 | De La Mesa Manuel J Perez | Common Stock | D | 120 | $0.00 | 815,914 | I | G |
| 29 May, 2025 | David G Whalen | Common Stock | A | 30 | $300.17 | 7,657 | D | L |
| 30 Apr, 2025 | John E Stokely | Common Stock | A | 461 | $0.00 | 14,586 | D | A |
| 30 Apr, 2025 | David G Whalen | Common Stock | A | 461 | $0.00 | 7,627 | D | A |
| 30 Apr, 2025 | James D Hope | Common Stock | A | 461 | $0.00 | 1,165 | D | A |
| 30 Apr, 2025 | James D Hope | - | - | 1,165 | D |