[Form 4] PREFORMED LINE PRODUCTS CO Insider Trading Activity

Rhea-AI Filing Summary

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.

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

O'Shaughnessy Timothy

(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)
	V.P. Human Resources

3. Date of Earliest Transaction (Month/Day/Year)
11/10/2025

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	11/10/2025		D		1,000	D	$221.26	4,000	D
Common shares, $2 par value								92	I	by 401(k) 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	817		817	D
Restricted stock units	$0							(1)	(1)	Common shares, $2 par value	1,058		1,058	D
Restricted stock units	$0							(1)	(1)	Common shares, $2 par value	876		876	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	11/12/2025
	** 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 insider transaction did PLPC disclose?

An officer sold 1,000 common shares at $221.26 on 11/10/2025.

How many PLPC shares does the officer hold after the sale?

The officer holds 4,000 shares directly and 92 shares indirectly via a 401(k) plan.

What was the sale price for the PLPC shares?

The reported sale price was $221.26 per share.

What equity awards are listed in the filing for PLPC?

Restricted stock units with 817, 1,058, and 876 underlying shares are listed.

When do the PLPC restricted stock units vest?

They vest 3 years from the date of grant.

What is the reporting person’s role at PLPC?

The reporting person is an Officer, specifically V.P. Human Resources.