John J. Olenik
VP-Research & Engineering · PREFORMED LINE PRODUCTS CO
Individual
- 2026
- Jun 10, 2026
- 3
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John J. Olenik files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Randall M. Ruhlman - $2.10M in PLPC purchases and sales in the last 12 months
- Glen E. Corlett - $914K in PLPC purchases and sales in the last 12 months
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Frequently asked questions
Who is John J. Olenik?
John J. Olenik is a corporate insider, tracked as VP-Research & Engineering of PREFORMED LINE PRODUCTS CO (PLPC). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did John J. Olenik last file a Form 4?
The most recent primary Form 4 on record is dated 10 June 2026, one of 3 filings going back to 2026.
