
Joseph A. Berquist
CEO and President, Director · QUAKER CHEMICAL CORP
- 2026
- Mar 17, 2026
- 1
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Joseph A. Berquist 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.
- Jeewat Bijlani - $107K in KWR purchases and sales in the last 12 months
- William H. Osborne - $101K in KWR purchases and sales in the last 12 months
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Frequently asked questions
Who is Joseph A. Berquist?
Joseph A. Berquist is a corporate insider, tracked as CEO and President, Director of QUAKER CHEMICAL CORP (KWR). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Joseph A. Berquist last file a Form 4?
The only primary Form 4 on record is dated 17 March 2026.