Caroline Saylor Vaccariello - 31 Dec 2025 Form 4 Insider Report for PREFORMED LINE PRODUCTS CO (PLPC)

Signature
/s/ Caroline S. Vaccariello, by power of attorney
Issuer symbol
PLPC
Transactions as of
31 Dec 2025
Net transactions value
$0
Form type
4
Filing time
05 Jan 2026, 16:15:19 UTC
Previous filing
15 Sep 2025
Next filing
06 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Vaccariello Caroline Saylor General Counsel&Corp Secretary 660 BETA DRIVE, CLEVELAND /s/ Caroline S. Vaccariello, by power of attorney 05 Jan 2026 0001385083

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PLPC Common shares, $2 par value Options Exercise $0 +1,308 +69% $0.000000 3,216 31 Dec 2025 Direct F1
holding PLPC Common shares, $2 par value 479 31 Dec 2025 by 401(k) plan
holding PLPC Common shares, $2 par value 16,857 31 Dec 2025 by rabbi trust for deferred compensation plan

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction PLPC Restricted stock units Options Exercise $0 -1,308 -100% $0.000000 0 31 Dec 2025 Common shares, $2 par value 1,308 $0.000000 Direct F1, F2
holding PLPC Restricted stock units 966 31 Dec 2025 Common shares, $2 par value 966 $0.000000 Direct F3
holding PLPC Restricted stock units 995 31 Dec 2025 Common shares, $2 par value 995 $0.000000 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units convert into common stock on a one-for-one basis.
F2 On February 8, 2023, the reporting person was granted 1,308 service based restricted stock units, which vested in full on December 31, 2025.
F3 Restricted stock units vest 3 years from the date of grant.