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Preformed Line Products Co

PLPC
Exchange
Nasdaq
Industry
Water, Sewer, Pipeline, Comm & Power Line Construction
SEC CIK
0000080035

In the last 90 days, Preformed Line Products Co insiders filed 0 open-market purchases and 1 sale; 206 institutions reported holding it in 13F filings for Q2 2026, worth $1.40B in total; no superinvestor holds it.

Holders of 5% or more of PLPC

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Preformed Line Products Co, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of PLPC
HolderLatest formStakeChangeFirst filedLatest filingFiling
Wasatch Advisors Inc13G/A5.70%276.7K shares−2.00 ppfrom 7.70%Jul 17, 20262 filingsOct 9, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

28 Schedule 13D and 13G filings on Preformed Line Products Co, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on PLPC
Filed (ET)FilerFormStakeChangeEvent dateFiling
Oct 9, 20264:15 PM ETWasatch Advisors Inc13G/A5.70%276.7K shares−2.00 ppfrom 7.70%Sep 30, 2026SEC
Jul 17, 20263:27 PM ETWasatch Advisors Inc13G7.70%377.4K sharesNewJun 30, 2026SEC
Jul 14, 20261:27 PM ETDimensional Fund Advisors LP13G/A4.50%218.4K shares−1.80 ppfrom 6.30%Below 5%Jun 30, 2026SEC
Jan 21, 20261:21 PM ETDimensional Fund Advisors LP13G/A6.30%307.5K shares–Dec 31, 2025SEC
Jul 16, 202511:43 AM ETRoyce & Associates LP13G/A3.48%172.1K shares−2.29 ppfrom 5.77%Below 5%Jun 30, 2025SEC
Apr 29, 202510:50 AM ETRoyce & Associates LP13G/A5.77%285.2K shares–Mar 31, 2025SEC
Nov 7, 2024Keybank National Association13G/AOld format–––SEC
Oct 17, 2024Royce & Associates LP13G/AOld format–––SEC
Oct 3, 2024Keybank National Association13G/AOld format–––SEC
Aug 30, 2024Ruhlman Robert G13D/AOld format–––SEC
Aug 30, 2024Third Restatement of Barbara P. Ruhlman Trust Agreement, dated November 20, 200813D/AOld format–––SEC
Aug 30, 2024Ruhlman Randall M13D/AOld format–––SEC
Feb 9, 2024Dimensional Fund Advisors LP13G/AOld format–––SEC
Jan 24, 2024Royce & Associates LP13G/AOld format–––SEC
Feb 10, 2023Dimensional Fund Advisors LP13G/AOld format–––SEC
Jan 24, 2023Royce & Associates LP13G/AOld format–––SEC
Sep 16, 2022Third Restatement of Barbara P. Ruhlman Trust Agreement, dated November 20, 200813D/AOld format–––SEC
Sep 16, 2022Ruhlman Robert G13D/AOld format–––SEC
Sep 16, 2022Ruhlman Randall M13D/AOld format–––SEC
Aug 2, 2022Barbara P Ruhlman Revocable Trust dated 9/21/1613D/AOld format–––SEC
Feb 8, 2022Dimensional Fund Advisors LP13G/AOld format–––SEC
Jan 31, 2022Royce & Associates LP13G/AOld format–––SEC
Jan 14, 2022Barbara P Ruhlman Revocable Trust dated 9/21/1613D/AOld format–––SEC
Jan 7, 2022Keybank National Association13G/AOld format–––SEC
Feb 16, 2021Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 12, 20218:49 AM ETThe PNC Financial Services Group, Inc.13G/AOld format–––SEC
Jan 27, 2021Royce & Associates LP13G/AOld format–––SEC
Jan 11, 2021Keybank National Association13G/AOld format–––SEC

Form 144: proposed insider sales

2 notices from officers, directors and other affiliates planning to sell Preformed Line Products Co shares, newest first.

Form 144 notices for PLPC
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Aug 19, 202610:00 AM ETRuhlman Randall M10% stockholder10.0K$4.45MAug 19, 2026Charles Schwab Corp.SEC
May 16, 20239:44 AM ETMichael E GibbonsDirector3.66K$558.1KMay 16, 2023UBS Financial Services IncSEC