William Koh
VP of Asia Pacific Region · PREFORMED LINE PRODUCTS CO
Individual
- 2026
- Feb 6, 2026
- 1
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William Koh 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 William Koh?
William Koh is a corporate insider, tracked as VP of Asia Pacific Region of PREFORMED LINE PRODUCTS CO (PLPC). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did William Koh last file a Form 4?
The only primary Form 4 on record is dated 6 February 2026.