Preformed Line Products's three largest insider shareholders as of April 28, 2026 are Katherine E. Wensink (TenPercentOwner, 810.40K shares), Robert G Ruhlman (President Ceo, 810.40K shares), Randall M Ruhlman (TenPercentOwner, 810.40K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Randall M Ruhlman | - | 0 | 810,400 | 16 Sep, 2022 |
| Katherine E. Wensink | - | 0 | 810,400 | 16 Sep, 2022 |
| Robert G Ruhlman | President Ceo | 0 | 810,400 | 16 Sep, 2022 |
| Robert G Ruhlman | Executive Chairman | 285,673 | 0 | 13 Mar, 2026 |
| Robert G Ruhlman | Executive Chairman | 0 | 60,000 | 12 Dec, 2025 |
| Robert G Ruhlman | Executive Chairman | 0 | 40,500 | 12 Dec, 2025 |
| Michael E Gibbons | - | 0 | 14,608 | 02 Jul, 2025 |
| Andrew S Klaus | Cfo | 14,553 | 0 | 11 Mar, 2026 |
| William H Iii Haag | V.P. International Operations | 10,276 | 0 | 11 Aug, 2023 |
| John J Olenik | Vp Research Engineering | 7,506 | 0 | 06 Feb, 2026 |
| R. Steven Kestner | - | 6,406 | 0 | 17 Dec, 2025 |
| Maegan Adams Ruhlman Cross | - | 5,972 | 0 | 17 Dec, 2025 |
| Glen E Corlett | - | 5,611 | 0 | 16 Mar, 2026 |
| Andrew S Klaus | Cfo | 0 | 4,947 | 08 Feb, 2024 |
| Jon Ryan Ruhlman | V.P. Marketing Bus. Develop. | 0 | 4,379 | 14 Feb, 2022 |
| Richard R Gascoigne | - | 0 | 4,111 | 17 Dec, 2025 |
| Timothy O'Shaughnessy | V.P. Human Resources | 4,000 | 0 | 11 Mar, 2026 |
| Jon Ryan Ruhlman | President | 3,784 | 0 | 11 Mar, 2026 |
| John M Hofstetter | Executive Vice President | 3,446 | 0 | 11 Mar, 2026 |
| Michael E Gibbons | - | 2,961 | 0 | 16 Dec, 2024 |
| Matthew D Frymier | - | 0 | 2,255 | 17 Dec, 2025 |
| Caroline Saylor Vaccariello | General Counselcorp Secretary | 1,908 | 0 | 11 Mar, 2026 |
| C Sunkle David | Vp Research Engineering | 1,607 | 0 | 11 Mar, 2026 |
| Matthew D Frymier | - | 0 | 1,524 | 16 Dec, 2024 |
| Jon Ryan Ruhlman | V.P. Marketing Bus. Develop. | 0 | 957 | 05 Jan, 2022 |
| C Sunkle David | - | 0 | 403 | 05 Jan, 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 |
|---|---|---|---|---|---|---|---|---|
| 12 Mar, 2026 | Glen E Corlett | Common shares, $2 par value | D | 400 | $260.24 | 5,611 | D | D |
| 10 Mar, 2026 | Assaad A Morcos | Common Shares, $2 par value per share | A | 1,750 | $132.40 | 1,750 | D | M |
| 12 Mar, 2026 | John J Olenik | Common shares, $2 par value | D | 752 | $260.84 | 0 | I | D |
| 13 Mar, 2026 | Robert G Ruhlman | Common shares, $2 par value | D | 2,500 | $259.73 | 285,673 | D | D |
| 10 Mar, 2026 | Assaad A Morcos | Common Shares, $2 par value per share | D | 1,750 | $260.34 | 0 | D | D |
| 10 Mar, 2026 | Assaad A Morcos | Employee stock option (right to buy) | D | 1,750 | $132.40 | 4,750 | D | M |
| 10 Mar, 2026 | Timothy O'Shaughnessy | Common shares, $2 par value | D | 1,244 | $260.34 | 4,000 | D | D |
| 10 Mar, 2026 | Jon Ryan Ruhlman | Common shares, $2 par value | D | 2,000 | $260.34 | 3,784 | D | D |
| 10 Mar, 2026 | Andrew S Klaus | Common shares, $2 par value | D | 2,365 | $260.34 | 14,553 | D | D |
| 10 Mar, 2026 | Caroline Saylor Vaccariello | Common shares, $2 par value | D | 1,547 | $260.34 | 1,908 | D | D |
| 10 Mar, 2026 | C Sunkle David | Common shares, $2 par value | D | 1,600 | $260.34 | 1,607 | D | D |
| 10 Mar, 2026 | John M Hofstetter | Common shares, $2 par value | D | 6,000 | $260.34 | 3,446 | D | D |
| 10 Mar, 2026 | Dennis F Mckenna | Common shares, $2 par value | D | 7,887 | $260.34 | 0 | D | D |
| 04 Feb, 2026 | Jon Ryan Ruhlman | Common shares, $2 par value | A | 1,785 | $0.00 | 7,278 | D | A |
| 04 Feb, 2026 | Robert G Ruhlman | Common shares, $2 par value | A | 13,386 | $0.00 | 294,097 | D | A |
| 04 Feb, 2026 | Assaad A Morcos | Restricted stock units | A | 407 | $0.00 | 407 | D | A |
| 04 Feb, 2026 | Dennis F Mckenna | Common shares, $2 par value | A | 2,677 | $0.00 | 10,110 | D | A |
| 04 Feb, 2026 | William Koh | Restricted stock units | A | 407 | $0.00 | 407 | D | A |
| 04 Feb, 2026 | Caroline Saylor Vaccariello | Common shares, $2 par value | A | 1,517 | $0.00 | 4,733 | D | A |
| 04 Feb, 2026 | John J Olenik | Common shares, $2 par value | A | 1,160 | $0.00 | 8,493 | D | A |