Form 4 for PLPC PREFORMED LINE PRODUCTS CO

Accepted 2026-03-13 00:00:00 ET · period of report 2026-03-10 · accession 0002052614-26-000005 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-03-13	2026-03-10	PLPC	Morcos Assaad A	VP, US Manufacturing	M - OptEx	$132.40	+1,750	1,750	New	+$231.7K
D	2026-03-13	2026-03-10	PLPC	Morcos Assaad A	VP, US Manufacturing	D - Sale to Iss	$260.34	-1,750	0	-100%	-$455.6K
D	2026-03-13	2026-03-10	PLPC	Morcos Assaad A	VP, US Manufacturing	M - OptEx	$132.40	-1,750	4,750	-27%	-$231.7K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Shares, $2 par value per share	2026-03-10	M	A	1,750	$132.40	1,750	D	—	—	(F1) On December 11, 2024, the reporting person was granted 7,500 stock options, of which 3,750 vested on December 11, 2025, 1,875 will vest on December 11, 2026, and the remaining 1,875 will vest on December 11, 2027. The expiration date is 10 years from the grant date.
2	Common	Common Shares, $2 par value per share	2026-03-10	D	D	1,750	$260.34	0	D	—	—
3	Derivative	Employee stock option (right to buy)	2026-03-10	M	D	1,750	$132.40	4,750	D	$132.40 · — to —	1,750 Common Shares, $2 par value per share	(F1) On December 11, 2024, the reporting person was granted 7,500 stock options, of which 3,750 vested on December 11, 2025, 1,875 will vest on December 11, 2026, and the remaining 1,875 will vest on December 11, 2027. The expiration date is 10 years from the grant date.