Preformed Line (PLPC) VP Olenik disposes 752 shares back to issuer

Rhea-AI Filing Summary

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.

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

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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^*

Olenik John J

(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)
	VP-Research & Engineering

3. Date of Earliest Transaction (Month/Day/Year)
03/12/2026

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	03/12/2026		D		752(1)	D	$260.84	0	I	by 401(k) plan
Common shares, $2 par value								7,506	D

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							(2)	(2)	Common shares, $2 par value	730		730	D
Restricted stock units	$0							(2)	(2)	Common shares, $2 par value	783		783	D
Restricted stock units	$0							(2)	(2)	Common shares, $2 par value	441		441	D

Explanation of Responses:

1. The reporting person's actual proportionate interest in the unitized stock fund, Preformed Line Stock fund, equals to 836 Common shares of the Issuer due to the difference between the net asset value per share and the closing stock price of the Common shares on March 12, 2026, as well as the rebalance of the cash position held within the Preformed Line Stock fund.

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

Remarks:

	/s/ Caroline S. Vaccariello, by power of attorney	03/13/2026
	** 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 executive John J. Olenik report on this Form 4?

John J. Olenik reported an indirect disposition of 752 common shares of Preformed Line Products to the issuer. The shares were held through a 401(k) plan and were transferred back to the company at a reported price of $260.84 per share on March 12, 2026.

How many PLPC shares did John J. Olenik dispose of and at what price?

He disposed of 752 common shares of Preformed Line Products at $260.84 per share. The transaction was coded as a disposition to the issuer and involved shares held indirectly through a 401(k) plan, rather than directly owned shares.

What are John J. Olenik’s PLPC share holdings after this reported transaction?

After the transaction, Olenik’s 401(k) plan position in the reported common shares is zero, while he holds 7,506 common shares directly. He also has restricted stock units tied to 730, 783 and 441 underlying common shares, all held directly.

How are John J. Olenik’s restricted stock units in PLPC structured?

His restricted stock units each relate to common shares with $2 par value and have an exercise price of $0.00. Three RSU positions cover 730, 783 and 441 underlying shares, respectively, and the units are scheduled to vest three years from their individual grant dates.

Is John J. Olenik’s PLPC share disposition considered a sale on the open market?

No, the Form 4 classifies the event as a disposition to the issuer, not an open-market sale. The 752 common shares were held indirectly through a 401(k) plan and were transferred back to Preformed Line Products rather than sold on a stock exchange.