Every Form 4 that Preformed Line Products Co (PLPC) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow PLPC and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full PLPC filings page.
PREFORMED LINE PRODUCTS CO (PLPC) reported that ten percent owner Randall M. Ruhlman sold common shares in early September 2026. On September 8, 2026, an entity associated with him sold 5,000 shares at a weighted average price of $407.78 per share, in multiple trades between $406.05 and $412.21. On September 4, 2026, the same trust-related account sold 142 shares at a weighted average price of $400.04 per share, in trades between $400.00 and $400.45. The filing also lists 414,321 shares and 146,769 shares of common stock held indirectly by trusts for which Ruhlman serves as beneficiary and trustee, and states that no transactions were made under a Rule 10b5-1 trading plan.
Preformed Line Products director Glen E. Corlett reported selling 2,000 common shares on 2026-08-05 in a sale described as an open-market or private transaction at $457.02 per share, from shares held indirectly via an IRA. Following this sale, he continues to hold 5,611 common shares directly and none indirectly via the IRA.
Preformed Line Products Executive Chairman and 10% owner Robert G. Ruhlman reported bona fide gifts totaling 36,000 common shares of the company. He transferred 18,000 shares each to two 2025 Generation-Skipping Trusts for family beneficiaries and continues to report various indirect holdings through trusts, his spouse, a Roth IRA, a 401(k) plan and a rabbi trust.
CROSS MAEGAN ADAMS RUHLMAN reported acquisition or exercise transactions in this Form 4 filing.
Maegan Adams Ruhlman Cross, a director of Preformed Line Products, reported receiving 18,000 common shares on June 9, 2026 as a bona fide gift. The shares are held indirectly in a generation-skipping trust she trustees. She also holds 5,972 shares directly and 509 shares indirectly via an IRA after the report.
Ruhlman Jon Ryan reported acquisition or exercise transactions in this Form 4 filing.
PREFORMED LINE PRODUCTS CO President and director Jon Ryan Ruhlman reported that a trust for his benefit received a bona fide gift of 18,000 common shares on June 9, 2026, bringing that trust’s indirect holdings to 18,000 shares. He also reports direct ownership of 2,784 common shares, additional indirect holdings through retirement and deferred compensation plans, and restricted stock units covering 1,386 and 1,380 underlying shares.
Preformed Line Products large shareholder Randall M. Ruhlman reported an internal restructuring involving 9,121 common shares at $358.15 per share. One trust disposed of the shares and another trust he administers acquired the same amount, described as an exchange of cash for stock for estate planning purposes.
PREFORMED LINE PRODUCTS CFO Andrew S. Klaus reported a routine share disposition. On this Form 4, he returned 635 common shares of $2 par value to the company at $362.22 per share, leaving 13,918 common shares held directly.
He also has 4,947 common shares held indirectly through a rabbi trust for a Deferred Compensation Plan. In addition, he holds restricted stock units that will convert into 693, 1,221 and 1,139 common shares, which vest three years from their respective grant dates.
PREFORMED LINE PRODUCTS President Jon Ryan Ruhlman reported updates to his holdings in a Form 4. The filing shows a disposition of 1,000 common shares to the issuer at $360.68 per share, leaving 2,784 common shares held directly.
He also holds common shares indirectly, including 4,379 shares in a rabbi trust for a Deferred Compensation Plan, 650 shares in a Roth IRA, and 79 shares in a 401(k) plan. In addition, he has restricted stock units covering 1,380 and 1,386 underlying common shares, which vest three years from their respective grant dates.
PREFORMED LINE PRODUCTS CO executive Assaad A. Morcos, VP US Manufacturing, reported option-related transactions and equity awards. He exercised 1,000 common shares through employee stock options at $132.40 per share and then disposed of 1,000 common shares back to the issuer at $360.91 per share, leaving no directly held common shares from this exercise.
Following these transactions, he directly holds 3,750 employee stock options and restricted stock units covering 407 and 681 underlying common shares, which vest three years from the grant date. A prior grant on December 11, 2024 totaled 7,500 options with staged vesting through 2027.
Preformed Line Products VP of Human Resources Timothy O'Shaughnessy reported an insider transaction involving company stock. He disposed of 750 common shares back to the issuer at $360.91 per share, and now holds 3,250 common shares directly, plus 92 shares indirectly through a 401(k) plan and 2,186 restricted stock units that vest three years from their grant dates.
PREFORMED LINE PRODUCTS CO officer John J. Olenik, VP-Research & Engineering, reported an internal share transaction. He disposed of 1,000 common shares back to the company in a disposition to issuer at $360.91 per share, leaving 6,506 common shares held directly.
Olenik also reported holdings of restricted stock units that convert into 441, 783, and 730 common shares, respectively. These restricted stock units vest three years from the date of grant, indicating additional potential future equity exposure beyond his current share ownership.
Preformed Line Products Executive Vice President John M. Hofstetter has returned shares to the company. On this Form 4, he disposed of 3,446 common shares of Preformed Line Products Co. back to the issuer at $358.45 per share, leaving him with no directly held common shares after the transaction.
He continues to have indirect exposure through 532 common shares held by a rabbi trust for a Deferred Compensation Plan and holds several grants of restricted stock units tied to common shares. These restricted stock units vest three years from their respective grant dates.
Preformed Line Products director Glen E. Corlett disposed of 400 common shares back to the company on March 12, 2026, in a transaction coded as a disposition to the issuer. The shares were valued at $260.24 each. After this transaction, he directly holds 5,611 common shares and indirectly holds 2,000 common shares through an IRA.
PREFORMED LINE PRODUCTS CO vice president of US manufacturing Assaad A. Morcos reported a compensation-related stock transaction. He exercised employee stock options to acquire 1,750 common shares at $132.4000 per share, then disposed of those 1,750 common shares to the issuer at $260.3400 per share, leaving no directly held common shares after the transactions. He continues to hold restricted stock units that are deliverable in 681 and 407 underlying common shares, which vest three years from their grant dates. Footnotes explain that the original 7,500-option grant vests in tranches through December 2027 with a 10-year term.
Preformed Line Products VP-Research & Engineering John J. Olenik reported a Form 4 showing an indirect disposition to the issuer of 752 common shares at $260.84 per share on March 12, 2026, through a 401(k) plan account.
Following this transaction, Olenik’s 401(k) plan holding in these common shares is reported as zero, while he continues to hold 7,506 common shares directly. He also holds restricted stock units covering 730, 783 and 441 underlying common shares, which vest 3 years from the date of grant.
Preformed Line Products Executive Chairman Robert G. Ruhlman, a more than 10% owner, reported a disposition to the issuer of 2,500 common shares at $259.73 per share. After this transaction, he directly holds 285,673 common shares, plus additional indirect holdings through trusts, spouse, a Roth IRA, a 401(k) plan, and a deferred compensation rabbi trust.
Preformed Line Products director David C. Sunkle reported an issuer-related share disposition. He returned 1,600 common shares at a price of $260.34 per share to the company, classified as a disposition to issuer rather than an open-market sale. Following this transaction, he now holds 1,607 common shares directly and 408 common shares indirectly through a 401(k) plan.
Preformed Line Products’ General Counsel and Corporate Secretary, Caroline Saylor Vaccariello, reported a disposition of common shares back to the company. On 2026-03-10, she disposed of 1,547 common shares at $260.34 per share in a transaction coded as a disposition to the issuer.
Following this transaction, she directly holds 1,908 common shares. She also holds restricted stock units that can convert into 966, 995, and 564 common shares, all at a conversion price of $0.00 per share, which vest three years from their grant dates. In addition, she has indirect ownership of 479 common shares through a 401(k) plan and 16,857 common shares through a rabbi trust for a deferred compensation plan.
PREFORMED LINE PRODUCTS President Jon Ryan Ruhlman reported a disposition of 2,000 common shares back to the company at $260.34 per share. After this issuer disposition, he directly holds 3,784 common shares, plus indirect holdings through a 401(k), a Roth IRA, and a deferred compensation rabbi trust, along with restricted stock units that vest three years from grant.
Preformed Line Products' vice president of human resources, Timothy O'Shaughnessy, disposed of 1,244 common shares back to the company at $260.34 per share. After this disposition to the issuer, he holds 4,000 common shares directly.
He also has indirect ownership of 92 common shares through a 401(k) plan. In addition, he holds several restricted stock unit awards that are tied to common shares, with underlying amounts of 817, 876, and 493 shares. These restricted stock units vest three years from their respective grant dates, providing potential future share delivery.
Preformed Line Products Executive Vice President John M. Hofstetter reported a disposition of 6,000 common shares of the company on March 10, 2026. The shares were returned to the issuer at $260.34 per share, classified as a disposition to issuer rather than an open-market sale.
After this transaction, Hofstetter directly holds 3,446 common shares. He also has indirect ownership of 532 common shares through a rabbi trust for a Deferred Compensation Plan, and holds restricted stock units that can convert into 1,015, 1,088, and 591 common shares. The restricted stock units vest three years from their grant dates, providing additional potential future equity exposure.
PREFORMED LINE PRODUCTS CEO Dennis F. McKenna reported a disposition of 7,887 common shares of the company on March 10, 2026, labeled as a “Disposition to issuer” at $260.34 per share. This reduced his directly held common shares to zero.
He continues to have equity exposure through 2,308 restricted stock units, each tied to common shares and vesting three years from the grant date, and 24,535 common shares held indirectly via a rabbi trust for the Deferred Compensation Plan.
Preformed Line Products CFO Andrew S. Klaus reported a disposition of 2,365 common shares back to the issuer at $260.34 per share. This was a return of shares to the company, not an open-market sale. After this transaction, he holds 14,553 common shares directly, additional common shares indirectly through a rabbi trust for a Deferred Compensation Plan, and several unvested restricted stock unit awards that vest three years from their grant dates.
Preformed Line Products’ VP of Asia Pacific Region, Koh William, reported an equity compensation grant in the form of derivative securities. On February 4, 2026, he was awarded 407 restricted stock units (RSUs) at a stated price of $0 per unit.
The filing notes that each RSU converts into one common share of Preformed Line Products. These RSUs vest three years from the date of grant, meaning they will settle into common stock after that vesting period if conditions are met. Following the reported grant, Koh holds several RSU positions directly, including the newly granted 407 units.
Preformed Line Products VP Morcos Assaad, VP of US Manufacturing, reported equity awards in company securities. On February 4, 2026, he acquired 407 restricted stock units at $0 per unit, which convert into common shares on a one-for-one basis and vest three years from grant.
After this report, he directly holds 681 restricted stock units and 6,500 employee stock options with a $132.4 exercise price per share. The 7,500-option grant from December 11, 2024 vests in tranches from 2025 through 2027, with a 10-year term from the grant date.
Preformed Line Products General Counsel and Corporate Secretary Caroline S. Vaccariello reported equity compensation activity on February 4, 2026.
She received 1,517 common shares at $0 and 564 restricted stock units. To cover taxes on a prior vesting, 1,278 common shares were withheld at $245.42, leaving 3,455 common shares held directly, plus 479 shares in a 401(k) plan and 16,857 shares in a rabbi trust for a deferred compensation plan.
Preformed Line Products Executive Vice President John M. Hofstetter reported routine equity compensation and related tax withholding transactions in company stock.
On February 4, 2026, he acquired 1,696 common shares of Preformed Line Products at $0 per share, reflecting the settlement of previously granted restricted stock units that convert into common shares based on performance goals. On the same date, 1,424 common shares were withheld at $245.42 per share to cover taxes for a vesting that occurred on December 31, 2025, with settlement on February 4, 2026.
Hofstetter also received a new grant of 591 restricted stock units at $0, which vest three years from grant and convert one-for-one into common shares. Following these transactions, he directly held 9,446 common shares and had additional indirect ownership of 532 common shares through a rabbi trust for the Deferred Compensation Plan, along with existing restricted stock unit holdings reported in the filing.
Preformed Line Products VP-Research & Engineering John J. Olenik reported equity compensation transactions dated 02/04/2026. He acquired 1,160 common shares at $0 upon restricted stock units vesting tied to performance goals, then had 987 shares withheld at $245.42 to cover related taxes.
After these moves, he directly owned 7,506 common shares and 752 common shares indirectly through a 401(k) plan. Olenik was also granted 441 new restricted stock units at $0, which, like his existing 730 and 783-unit awards, convert into common shares on a one-for-one basis and vest three years from the grant date.
Preformed Line Products V.P. of Human Resources Timothy O'Shaughnessy reported equity compensation activity. On February 4, 2026, he acquired 1,227 common shares at $0, reflecting settlement of restricted stock units.
On the same date, 1,041 common shares were withheld at $245.42 to cover taxes from a prior vesting, leaving him with 5,244 common shares held directly and 92 shares held indirectly in a 401(k) plan. He also received 493 new restricted stock units, which, along with existing awards of 817 and 876 units, convert one-for-one into common stock and generally vest three years from grant, with some units tied to performance goals.
Preformed Line Products CFO Klaus Andrew S reported several equity compensation transactions dated February 4, 2026. He acquired 1,785 common shares at $0 from vested restricted stock units and had 1,496 common shares withheld at $245.42 to cover taxes on a prior vesting.
He also received a new grant of 693 restricted stock units, which convert into common shares on a one-for-one basis and vest three years from grant. After these transactions, he held 16,918 common shares directly, plus additional indirect common share holdings and multiple restricted stock unit positions.
Preformed Line Products CEO Dennis F. McKenna reported equity compensation changes dated February 4, 2026. He acquired 2,677 common shares at $0 per share, reflecting vested performance-based restricted stock units that convert into common stock on a one-for-one basis.
To cover tax withholding on a prior vesting that occurred on December 31, 2025, 2,223 shares were disposed of at $245.42 per share. After these transactions, McKenna directly holds 7,887 common shares, plus 24,535 common shares held indirectly by a rabbi trust for the Deferred Compensation Plan and 2,308 restricted stock units that generally vest three years from grant.
Preformed Line Products' Executive Chairman Robert G. Ruhlman reported equity award activity and updated holdings in company stock. On February 4, 2026, he acquired 13,386 common shares at $0 as restricted stock units that convert into common stock on a one-for-one basis based on performance goals. On the same date, 5,924 common shares were disposed of at $245.42 per share in a transaction coded "F," reflecting shares withheld to cover taxes on the award. Following these transactions, he directly holds 288,173 common shares and has additional indirect holdings through various trusts, a spouse, a Roth IRA, a 401(k) plan, and a rabbi trust for a deferred compensation plan.
Preformed Line Products president Jon Ryan Ruhlman reported equity compensation-related transactions in company common shares. On February 4, 2026, he acquired 1,785 common shares at $0, reflecting settlement of performance-based restricted stock units that convert into common stock on a one-for-one basis.
On the same date, 1,494 shares were withheld at $245.42 per share to cover taxes for awards that vested on December 31, 2025 and settled on February 4, 2026. Following these transactions, he directly owned 5,784 common shares, in addition to indirect holdings through a 401(k) plan, a Roth IRA, and a deferred compensation rabbi trust, and held multiple tranches of restricted stock units that generally vest three years from grant.
Preformed Line Products director reports stock award and transfer
A director of Preformed Line Products Co. reported receiving 360 common shares as an other stock-based award under the company’s 2016 Long Term Incentive Plan. This award serves as annual compensation for service on the Board of Directors and was recorded at a price of $0 per share.
The director then reported a gift transfer of the same 360-share grant to the director’s trust, also at a reported price of $0 per share. Following these transactions on 12/15/2025, the director now reports holding 4,111 common shares indirectly through the trust and no shares directly.
Preformed Line Products Co director reports several stock transactions involving company shares. On 12/15/2025, the director received 360 common shares of Preformed Line Products Co as an other stock-based award under the 2016 Long Term Incentive Plan for non-employee directors, recorded at a price of $0 per share as compensation.
The director then reported a gift transfer of 360 common shares to a trust for which the director is trustee, and the trust is shown as holding 2,435 common shares after that transfer. A further transfer of 180 common shares from the trust to the director’s ex-spouse pursuant to a divorce agreement reduced the trust’s holdings to 2,255 common shares held indirectly.
Preformed Line Products director reports stock sale and award
A director of Preformed Line Products Company reported two transactions in the company’s common shares, $2 par value. On 11/04/2025, the director disposed of 1,100 common shares at a price of $219.74 per share. On 12/15/2025, the director acquired 207 common shares as an other stock-based award with a price of $0 per share, described as annual compensation for service on the Board of Directors under the 2016 Long Term Incentive Plan. Following these transactions, the director beneficially owned 3,207 common shares directly and 408 common shares indirectly through a 401(k) plan.
Preformed Line Products Company reported that one of its directors received a stock-based award as part of annual board compensation. On 12/15/2025, the director was granted 360 common shares of Preformed Line Products at a price of $0, reflecting an equity award rather than a cash purchase. The filing describes this as an award under the company’s 2016 Long Term Incentive Plan for non-employee directors.
After this transaction, the director beneficially owned 6,011 common shares directly and an additional 2,000 common shares indirectly through an IRA. The report classifies the insider as a director and confirms the filing is for a single reporting person.
Preformed Line Products Company director received an equity award as part of annual board compensation. On 12/15/2025, the director acquired 360 common shares of the company’s $2 par value stock at a reported price of $0, reflecting a stock-based grant rather than an open-market purchase. Following this transaction, the director beneficially owned 6,406 common shares, held directly. The award was granted under the company’s 2016 Long Term Incentive Plan for non-employee directors, as annual compensation for service on the Board of Directors.
Preformed Line Products Company director reported a routine stock-based compensation grant. On 12/15/2025, the director received 207 common shares with a stated price of $0, recorded as an annual award under the company’s 2016 Long Term Incentive Plan for non-employee directors. Following this grant, the director beneficially owns 5,972 common shares directly and 509 common shares indirectly through an IRA.
Preformed Line Products’ executive chairman reported an internal transfer of 60,000 common shares. On December 10, 2025, the reporting person’s spouse transferred 60,000 common shares for no consideration to the Ruhlman 2025 Spousal Dynasty Trust, where the executive chairman serves as trustee. The move is recorded as a disposition by the spouse and an acquisition by the trust, both at a stated price of $0 per share.
After these transactions, the executive chairman beneficially owns PLPC common shares through a mix of direct and indirect holdings, including 280,711 shares held directly, 40,500 shares held by a spouse, 60,000 shares held by the Ruhlman 2025 Spousal Dynasty Trust, smaller positions in a Roth IRA and 401(k) plan, and additional trust and deferred compensation plan accounts.
Preformed Line Products reported an insider equity transaction by an officer who serves as VP, US Manufacturing. On 12/12/2025, the officer exercised employee stock options to acquire 1,000 common shares at $132.4 per share and disposed of 1,000 common shares at $207.23 per share, resulting in no directly held common shares after the transactions.
After these transactions, the officer held 6,500 employee stock options with a $132.4 exercise price and 681 restricted stock units. The options relate to a 7,500-option grant on December 11, 2024, of which 3,750 vested on December 11, 2025, with additional tranches of 1,875 vesting on December 11, 2026, and 1,875 on December 11, 2027. The options expire 10 years from the grant date, and the restricted stock units vest three years from their grant dates.
Preformed Line Products (PLPC) reported an insider transaction by its V.P. Human Resources. On 11/10/2025, the officer sold 1,000 common shares at $221.26 per share. Following the sale, the officer beneficially owns 4,000 shares directly and 92 shares indirectly via a 401(k) plan.
The filing also lists restricted stock units outstanding for 817, 1,058, and 876 underlying common shares, which vest 3 years from the date of grant.
Preformed Line Products (PLPC): Insider transaction reported. An Executive Vice President disposed of 1,110 common shares on 11/05/2025 at $211.85 per share from a 401(k) plan, leaving 0 shares in that plan. Following the transaction, the insider held 7,712 common shares directly and 532 shares indirectly via a rabbi trust.
Derivative holdings include restricted stock units covering blocks of 1,015, 1,088, and 1,462 common shares. The filing notes that restricted stock units vest 3 years from the date of grant.
Preformed Line Products (PLPC) CEO filed a Form 4 reporting a disposition of 1,987 common shares at $211.85 on November 5, 2025.
Following the transaction, reported holdings include 5,125 common shares held directly and 24,535 held indirectly via a rabbi trust; the 401(k) plan shows 0 shares after the transaction. The filing also lists 2,308 restricted stock units that vest three years from grant. A note states the unitized 401(k) fund represented 1,411 share-equivalents as of November 5, 2025.