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Joseph A Berquist insider trades
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Joseph A Berquist insider trades

Joseph A Berquist has filed 15 Form 4s with the SEC that we hold, all for Quaker Chemical Corp (KWR), as CEO and President, Director. Across all of them we count 1 purchase worth $49.9K and 10 sales worth $2.1M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 1,684 shares of Quaker Chemical Corp worth $431.1K, dated 2021-08-10. The first filing on our record is dated 2021-08-12 and the latest 2026-03-17.

Quaker Chemical Corp (KWR)

CEO and President, Director · 15 filings · 11 purchases and sales
Trade dateCodeSharesValue as filedFiledSource
2021-08-10S, sale reported on Form 4923$236.3K2021-08-12SEC
2021-08-10S, sale reported on Form 41,684$431.1K2021-08-12SEC
2021-08-10S, sale reported on Form 4830$212.5K2021-08-12SEC
2022-08-09S, sale reported on Form 4842$160.7K2022-08-11SEC
2022-08-09S, sale reported on Form 4922$176.0K2022-08-11SEC
2023-02-02S, sale reported on Form 41,000$210.0K2023-02-03SEC
2023-05-10S, sale reported on Form 4560$117.6K2023-05-11SEC
2023-05-10S, sale reported on Form 4922$193.6K2023-05-11SEC
2023-05-10S, sale reported on Form 4453$94.7K2023-05-11SEC
2023-11-13S, sale reported on Form 41,534$251.5K2023-11-15SEC
2025-05-09P, purchase reported on Form 4482$49.9K2025-05-13SEC
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1487224) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-28 · For informational purposes only, not investment advice.
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