As of March 23, 2026, Preformed Line Products's top three insider holders are Randall M Ruhlman (TenPercentOwner, 810.40K shares), Robert G Ruhlman (Executive Chairman, 288.17K shares), Robert G Ruhlman (Executive Chairman, 60.00K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Randall M Ruhlman | 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 |
| John J Olenik | Vp Research Engineering | 7,506 | 0 | 06 Feb, 2026 |
| Glen E Corlett | 5,611 | 0 | 16 Mar, 2026 | |
| Jon Ryan Ruhlman | V.P. Marketing Bus. Develop. | 0 | 4,379 | 14 Feb, 2022 |
| Jon Ryan Ruhlman | President | 3,784 | 0 | 11 Mar, 2026 |
| Caroline Saylor Vaccariello | General Counselcorp Secretary | 1,908 | 0 | 11 Mar, 2026 |
* 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 |
| 12 Mar, 2026 | John J Olenik | Common shares, $2 par value | D | 752 | $260.84 | 0 | I | D |
| 10 Mar, 2026 | Assaad A Morcos | Common Shares, $2 par value per share | A | 1,750 | $132.40 | 1,750 | D | M |
| 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 | Jon Ryan Ruhlman | Common shares, $2 par value | D | 2,000 | $260.34 | 3,784 | D | D |
| 10 Mar, 2026 | Caroline Saylor Vaccariello | Common shares, $2 par value | D | 1,547 | $260.34 | 1,908 | D | D |
| 04 Feb, 2026 | Caroline Saylor Vaccariello | Common shares, $2 par value | A | 1,517 | $0.00 | 4,733 | D | A |
| 04 Feb, 2026 | Jon Ryan Ruhlman | Common shares, $2 par value | A | 1,785 | $0.00 | 7,278 | D | A |
| 04 Feb, 2026 | John J Olenik | Common shares, $2 par value | A | 1,160 | $0.00 | 8,493 | D | A |
| 04 Feb, 2026 | Assaad A Morcos | Restricted stock units | A | 407 | $0.00 | 407 | 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 | John J Olenik | Common shares, $2 par value | D | 987 | $245.42 | 7,506 | D | F |
| 04 Feb, 2026 | Jon Ryan Ruhlman | Common shares, $2 par value | D | 1,494 | $245.42 | 5,784 | D | F |
| 04 Feb, 2026 | Caroline Saylor Vaccariello | Common shares, $2 par value | D | 1,278 | $245.42 | 3,455 | D | F |
| 04 Feb, 2026 | Robert G Ruhlman | Common shares, $2 par value | D | 5,924 | $245.42 | 288,173 | D | F |
| 04 Feb, 2026 | John J Olenik | Restricted stock units | A | 441 | $0.00 | 441 | D | A |
| 04 Feb, 2026 | Caroline Saylor Vaccariello | Restricted stock units | A | 564 | $0.00 | 564 | D | A |
| 31 Dec, 2025 | Caroline Saylor Vaccariello | Common shares, $2 par value | A | 1,308 | $0.00 | 3,216 | D | M |