{"transactions":[{"id":823744,"issuer":{"id":4278,"kind":"organization","name":"QUAKER CHEMICAL CORP"},"owners":[{"id":54869,"kind":"person","name":"Meagher Kevin K.","position":1,"cik":"0002104522","reported_name":"Meagher Kevin K.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, R&D - Advanced Solutions"}}],"security":"Restricted Stock Units","published_at":"2026-04-01T20:14:14.000Z","date":"2026-03-15","kind":"grant","planned":false,"acquired":true,"shares":445,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On March 17, 2026, the Reporting Person filed a Form 4 that erroneously reported 297 time-based Restricted Stock Units (\"RSUs\") acquired under the Company's Long-Term Performance Incentive Plan. As reported in this amendment, the correct number of RSUs acquired was 445.  RSUs represent a contingent right to receive one share of KWR common stock, and Dividend Equivalent Rights accrue when and as dividends are paid on KWR common stock.  The RSUs will vest in three annual installments beginning on March 15, 2027."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On March 17, 2026, the Reporting Person filed a Form 4 that erroneously reported 297 time-based Restricted Stock Units (\"RSUs\") acquired under the Company's Long-Term Performance Incentive Plan. As reported in this amendment, the correct number of RSUs acquired was 445.  RSUs represent a contingent right to receive one share of KWR common stock, and Dividend Equivalent Rights accrue when and as dividends are paid on KWR common stock.  The RSUs will vest in three annual installments beginning on March 15, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On March 17, 2026, the Reporting Person filed a Form 4 that erroneously reported 297 time-based Restricted Stock Units (\"RSUs\") acquired under the Company's Long-Term Performance Incentive Plan. As reported in this amendment, the correct number of RSUs acquired was 445.  RSUs represent a contingent right to receive one share of KWR common stock, and Dividend Equivalent Rights accrue when and as dividends are paid on KWR common stock.  The RSUs will vest in three annual installments beginning on March 15, 2027."}],"balance_after":445,"derivative":{"underlying":"Common Stock","underlying_shares":445},"source":{"system":"sec-edgar","filing":"0002104522-26-000011","document":"wk-form4a_1775074451.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/81362/000210452226000011/wk-form4a_1775074451.xml","form_type":"4/A","original_submission_date":"2026-03-17"}},{"id":840620,"issuer":{"id":4278,"kind":"organization","name":"QUAKER CHEMICAL CORP"},"owners":[{"id":54869,"kind":"person","name":"Meagher Kevin K.","position":1,"cik":"0002104522","reported_name":"Meagher Kevin K.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, R&D - Advanced Solutions"}}],"security":"Restricted Stock Units","published_at":"2026-03-17T20:57:53.000Z","date":"2026-03-15","kind":"grant","planned":false,"acquired":true,"shares":297,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these RSUs when and as dividends are paid on KWR common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these RSUs when and as dividends are paid on KWR common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these RSUs when and as dividends are paid on KWR common stock."}],"balance_after":297,"derivative":{"underlying":"Common Stock","underlying_shares":297},"source":{"system":"sec-edgar","filing":"0002104522-26-000008","document":"wk-form4_1773781071.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/81362/000210452226000008/wk-form4_1773781071.xml","form_type":"4"}},{"id":936591,"issuer":{"id":4278,"kind":"organization","name":"QUAKER CHEMICAL CORP"},"owners":[{"id":54869,"kind":"person","name":"Meagher Kevin K.","position":1,"cik":"0002104522","reported_name":"Meagher Kevin K.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, R&D - Advanced Solutions"}}],"security":"Restricted Stock Units","published_at":"2026-01-20T21:28:24.000Z","date":"2026-01-15","kind":"grant","planned":false,"acquired":true,"shares":1898,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of KWR common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest in three annual installments beginning on January 15, 2027. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest in three annual installments beginning on January 15, 2027. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock."}],"balance_after":1898,"derivative":{"underlying":"Common Stock","underlying_shares":1898},"source":{"system":"sec-edgar","filing":"0002104522-26-000006","document":"wk-form4_1768944502.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/81362/000210452226000006/wk-form4_1768944502.xml","form_type":"4"}}]}