{"transactions":[{"id":684189,"issuer":{"id":110,"kind":"organization","name":"MKS INC","symbol":"MKSI"},"owners":[{"id":22442,"kind":"person","name":"Donlan Renee Martel","position":1,"cik":"0002135522","reported_name":"Donlan Renee Martel","relationship":{"officer":true,"officer_title":"EVP, GC & CCO"}}],"security":"Restricted Stock Unit","published_at":"2026-08-18T18:07:21.000Z","date":"2026-08-17","kind":"grant","planned":false,"acquired":true,"shares":954.044,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Inc."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These RSUs vest in three equal annual installments commencing on August 17, 2027, provided that if, in any vesting year, August 17th is not a business day, such vesting shall occur on the next business day."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These RSUs vest in three equal annual installments commencing on August 17, 2027, provided that if, in any vesting year, August 17th is not a business day, such vesting shall occur on the next business day."}],"balance_after":4780.571,"derivative":{"underlying":"Common Stock","underlying_shares":954.044},"source":{"system":"sec-edgar","filing":"0001049502-26-000115","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1049502/000104950226000115/form4.xml","form_type":"4"}}]}