Form4insider filings, from the source

Company · CIK 0000080035 · SIC 1623 — Water, Sewer, Pipeline, Comm & Power Line Construction · Nasdaq

PREFORMED LINE PRODUCTS CO · PLPC

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $3.0M · 2net −$3.0M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesMar 28Apr 27May 28Jun 28Jul 29Aug 28Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 SForm 4 →Sep 9, 4:17 pm EDTRandall M Ruhlman10% Owner5,142$407.57$2,095,706446,609−1.14%
Aug 5, 2026 SForm 4 →Aug 6, 4:23 pm EDTGlen E CorlettDirector2,000$457.02$914,0400−100%
Aug 3, 2026 JForm 4 →Aug 4, 4:07 pm EDTRandall M Ruhlman10% Owner18,242$358.15$6,533,372414,321—
Jun 12, 2026 DForm 4 →Jun 12, 10:20 am EDTAndrew S KlausCFO635$362.22$230,01013,918—
Jun 11, 2026 DForm 4 →Jun 11, 11:42 am EDTJon Ryan RuhlmanPresident, Director1,000$360.68$360,6802,784—
Jun 10, 2026 DMForm 4 →Jun 10, 12:42 pm EDTAssaad A MorcosVP, US Manufacturing2,000$246.66$493,3100—
Jun 10, 2026 DForm 4 →Jun 10, 12:41 pm EDTTimothy O'ShaughnessyV.P. Human Resources750$360.91$270,6833,250—
Jun 10, 2026 DForm 4 →Jun 10, 12:40 pm EDTJohn J OlenikVP-Research & Engineering1,000$360.91$360,9106,506—
Jun 9, 2026 GForm 4 →Aug 4, 4:09 pm EDTRobert G RuhlmanExecutive Chairman, Director, 10% Owner36,000——249,673— late
Jun 9, 2026 GForm 4 →Aug 4, 4:08 pm EDTMaegan Adams Ruhlman CrossDirector18,000——18,000— late
Jun 9, 2026 GForm 4 →Aug 4, 4:08 pm EDTJon Ryan RuhlmanPresident, Director18,000——18,000— late
Jun 8, 2026 DForm 4 →Jun 9, 1:08 pm EDTJohn M HofstetterExecutive Vice President3,446$358.45$1,235,2190—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 10, 2026 MForm 4 →Jun 10, 12:42 pm EDTAssaad A MorcosVP, US Manufacturing1,000$132.40$132,4003,750—