[Form 4] PREFORMED LINE PRODUCTS CO Insider Trading Activity

Rhea-AI Filing Summary

Caroline S. Vaccariello, General Counsel & Corporate Secretary of Preformed Line Products Co. (PLPC), reported insider transactions dated 09/12/2025. The filing shows a sale of 3,000 common shares at $188.37 each, leaving her with 1,908 shares directly owned. She also reports indirect beneficial ownership of 479 shares via a 401(k) plan and 16,857 shares held in a rabbi trust for a Deferred Compensation Plan.

The report discloses outstanding restricted stock units (RSUs) that convert to 966, 1,308 and 995 common shares respectively; the filer notes RSUs vest three years from grant. The Form 4 is signed by power of attorney on 09/15/2025. All information is limited to the transactions and holdings stated in the filing.

Positive

• Transparent disclosure of direct sale, indirect holdings, and deferred compensation holdings (rabbi trust and 401(k)).
• RSU vesting schedule clearly stated: restricted stock units vest three years from grant, providing clarity on future potential dilution or insider holdings.

Negative

• Insider sale of 3,000 shares at $188.37 reduced direct holdings to 1,908 shares.
• Filing provides no explanation for the sale (e.g., preplanned sale or personal liquidity), limiting context for investors.

Insights

Financial Analyst

TL;DR: Insider sale of 3,000 shares reduces direct stake; material holdings remain via rabbi trust and RSUs.

The sale at $188.37 per share is a clear, single transaction reducing direct holdings to 1,908 shares. Offsetting holdings include 16,857 shares in a rabbi trust and 3,269 RSUs scheduled to vest after three years, which together represent the majority of the reporting person's exposure to PLPC equity. The disclosure contains precise quantities and prices, enabling ownership calculations but provides no explanation for the sale or any change in control. Impact to market is likely limited given the filing lacks context on total company float or percentage ownership.

Corporate Governance Expert

TL;DR: Filing is compliant and routine; documents direct and indirect holdings plus deferred compensation arrangements.

The Form 4 properly identifies transaction codes, ownership form and the nature of indirect holdings (401(k) and rabbi trust). The RSU vesting note is explicit. From a governance perspective the form meets Section 16 reporting requirements and provides transparent reporting of both immediate and deferred equity interests. The filing does not indicate any noncompliance or related-party transactions beyond standard insider disclosure.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Vaccariello Caroline Saylor

(Last) (First) (Middle)

660 BETA DRIVE

(Street)

CLEVELAND OH 44143

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PREFORMED LINE PRODUCTS CO [ PLPC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	General Counsel&Corp Secretary

3. Date of Earliest Transaction (Month/Day/Year)
09/12/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common shares, $2 par value	09/12/2025		D		3,000	D	$188.37	1,908	D
Common shares, $2 par value								479	I	by 401(k) plan
Common shares, $2 par value								16,857	I	by rabbi trust for Deferred Compensation Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted stock units	$0							(1)	(1)	Common shares, $2 par value	966		966	D
Restricted stock units	$0							(1)	(1)	Common shares, $2 par value	1,308		1,308	D
Restricted stock units	$0							(1)	(1)	Common shares, $2 par value	995		995	D

Explanation of Responses:

1. Restricted stock units vest 3 years from the date of grant.

Remarks:

	/s/ Caroline S. Vaccariello, by power of attorney	09/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did PLPC insider Caroline Vaccariello sell on 09/12/2025?

She sold 3,000 common shares at $188.37 per share on 09/12/2025 as reported on the Form 4.

How many PLPC shares does Caroline Vaccariello directly and indirectly own after the reported transaction?

Following the sale she directly owns 1,908 shares; she also has 479 shares via a 401(k) plan and 16,857 shares in a rabbi trust for a Deferred Compensation Plan.

What restricted stock units does the Form 4 report for PLPC insider Caroline Vaccariello?

The filing shows RSUs underlying 966, 1,308 and 995 common shares respectively; the RSUs vest three years from the grant date.

When was the Form 4 signed for the PLPC insider report?

The Form 4 bears a signature by power of attorney dated 09/15/2025.

Does the Form 4 explain why the insider sold shares?

No. The filing lists the sale but does not provide an explanation