{"transactions":[{"id":740899,"issuer":{"id":4295,"kind":"organization","name":"MCGRATH RENTCORP","symbol":"MGRC"},"owners":[{"id":39089,"kind":"person","name":"Whitney David M","position":1,"cik":"0001357113","reported_name":"Whitney David M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2026-06-12T21:45:42.000Z","date":"2026-06-10","kind":"sale","planned":false,"acquired":false,"shares":3783,"price":113.6514,"value":429943.2462,"ownership":{"direct":false,"nature":"Spouse's Holding"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.50 to $114.10, inclusive. The reporting person undertakes to provide to McGrath RentCorp, any security holder of McGrath RentCorp, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4."}],"balance_after":6533,"source":{"system":"sec-edgar","filing":"0001357113-26-000006","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/752714/000135711326000006/primary_doc.xml","form_type":"4"}},{"id":773906,"issuer":{"id":4295,"kind":"organization","name":"MCGRATH RENTCORP","symbol":"MGRC"},"owners":[{"id":39089,"kind":"person","name":"Whitney David M","position":1,"cik":"0001357113","reported_name":"Whitney David M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2026-05-19T20:37:57.000Z","date":"2026-05-15","kind":"sale","planned":false,"acquired":false,"shares":539,"price":115.0003,"value":61985.1617,"ownership":{"direct":false,"nature":"Spouse's Holding"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.00 to $115.16, inclusive. The reporting person undertakes to provide to McGrath RentCorp, any security holder of McGrath RentCorp, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4."}],"balance_after":10316,"source":{"system":"sec-edgar","filing":"0001357113-26-000005","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/752714/000135711326000005/primary_doc.xml","form_type":"4"}},{"id":821958,"issuer":{"id":4295,"kind":"organization","name":"MCGRATH RENTCORP","symbol":"MGRC"},"owners":[{"id":39089,"kind":"person","name":"Whitney David M","position":1,"cik":"0001357113","reported_name":"Whitney David M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2026-04-03T00:37:19.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":2265,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents restricted stock units (\"RSUs\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"The RSUs were acquired under the 2016 Stock Incentive Plan.  The restricted stock unit shall vest 33% on the first annual anniversary of the grant; 33% of the second annual anniversary of the grant; and 34% on the third annual anniversary of the grant.  Each restricted stock unit represents a right to receive one share of stock or an amount equal to the fair market value of the common stock underlying the unit on the vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Represents 4,971 shares outstanding and 2,265 unvested RSUs."}],"balance_after":7236,"source":{"system":"sec-edgar","filing":"0001357113-26-000004","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/752714/000135711326000004/primary_doc.xml","form_type":"4"}},{"id":843060,"issuer":{"id":4295,"kind":"organization","name":"MCGRATH RENTCORP","symbol":"MGRC"},"owners":[{"id":39089,"kind":"person","name":"Whitney David M","position":1,"cik":"0001357113","reported_name":"Whitney David M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2026-03-16T23:55:37.000Z","date":"2026-03-12","kind":"other","planned":false,"acquired":true,"shares":5966,"price":104,"value":620464.0,"ownership":{"direct":false,"nature":"Spouse's KSOP"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Acquisition made pursuant to a diversification election under the McGrath RentCorp Employee Stock Ownership and 401(k) Plan. The proceeds of the acquisition remained in the Plan."}],"balance_after":7334,"source":{"system":"sec-edgar","filing":"0001357113-26-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/752714/000135711326000003/primary_doc.xml","form_type":"4"}},{"id":872282,"issuer":{"id":4295,"kind":"organization","name":"MCGRATH RENTCORP","symbol":"MGRC"},"owners":[{"id":39089,"kind":"person","name":"Whitney David M","position":1,"cik":"0001357113","reported_name":"Whitney David M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2026-03-04T00:08:58.000Z","date":"2026-02-27","kind":"grant","planned":false,"acquired":true,"shares":2700,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Spouse's Holding"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents restricted stock units (\"RSUs\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"The RSUs were acquired under the 2016 Stock Incentive Plan.  The restricted stock unit shall vest 33% on the first annual anniversary of the grant; 33% of the second annual anniversary of the grant; and 34% on the third annual anniversary of the grant.  Each restricted stock unit represents a right to receive one share of stock or an amount equal to the fair market value of the common stock underlying the unit on the vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Represents 8,155 shares outstanding and 2,700 unvested RSUs."}],"balance_after":10855,"source":{"system":"sec-edgar","filing":"0001357113-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/752714/000135711326000002/primary_doc.xml","form_type":"4"}},{"id":872281,"issuer":{"id":4295,"kind":"organization","name":"MCGRATH RENTCORP","symbol":"MGRC"},"owners":[{"id":39089,"kind":"person","name":"Whitney David M","position":1,"cik":"0001357113","reported_name":"Whitney David M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2026-03-04T00:08:58.000Z","date":"2026-02-27","kind":"grant","planned":false,"acquired":true,"shares":1170,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents restricted stock units (\"RSUs\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"The RSUs were acquired under the 2016 Stock Incentive Plan.  The restricted stock unit shall vest 33% on the first annual anniversary of the grant; 33% of the second annual anniversary of the grant; and 34% on the third annual anniversary of the grant.  Each restricted stock unit represents a right to receive one share of stock or an amount equal to the fair market value of the common stock underlying the unit on the vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Represents 3,801 shares outstanding and 1,170 unvested RSUs."}],"balance_after":4971,"source":{"system":"sec-edgar","filing":"0001357113-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/752714/000135711326000002/primary_doc.xml","form_type":"4"}},{"id":883342,"issuer":{"id":4295,"kind":"organization","name":"MCGRATH RENTCORP","symbol":"MGRC"},"owners":[{"id":39089,"kind":"person","name":"Whitney David M","position":1,"cik":"0001357113","reported_name":"Whitney David M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Accounting Officer"}}],"security":"Restricted Stock Unit","published_at":"2026-02-26T02:01:49.000Z","date":"2026-02-24","kind":"exercise","planned":false,"acquired":false,"shares":1530,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Spouse's Holding"},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs are subject to a performance based vesting component at the end of a three-year performance period."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The conversion price of the RSUs was based on the closing price of McGrath RentCorp common stock on February 24, 2026 and therefore such date is determined to be the date exercisable."}],"balance_after":0,"derivative":{"exercise_price":0,"expiration_date":"2030-02-24","underlying":"Common Stock","underlying_shares":1530},"source":{"system":"sec-edgar","filing":"0001357113-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/752714/000135711326000001/primary_doc.xml","form_type":"4"}},{"id":883341,"issuer":{"id":4295,"kind":"organization","name":"MCGRATH RENTCORP","symbol":"MGRC"},"owners":[{"id":39089,"kind":"person","name":"Whitney David M","position":1,"cik":"0001357113","reported_name":"Whitney David M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Accounting Officer"}}],"security":"Restricted Stock Unit","published_at":"2026-02-26T02:01:49.000Z","date":"2026-02-24","kind":"exercise","planned":false,"acquired":false,"shares":511,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Spouse's Holding"},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The restricted stock unit shall vest 33% on the first annual anniversary of the grant; 33% on the second annual anniversary of the grant; and 34% on the third annual anniversary of the grant. Each restricted stock unit represents a right to receive one share of common stock or an amount equal to the fair market value of the common stock underlying the unit on the vesting date."}],"balance_after":0,"derivative":{"exercise_price":0,"expiration_date":"2030-02-24","underlying":"Common Stock","underlying_shares":511},"source":{"system":"sec-edgar","filing":"0001357113-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/752714/000135711326000001/primary_doc.xml","form_type":"4"}},{"id":883340,"issuer":{"id":4295,"kind":"organization","name":"MCGRATH RENTCORP","symbol":"MGRC"},"owners":[{"id":39089,"kind":"person","name":"Whitney David M","position":1,"cik":"0001357113","reported_name":"Whitney David M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Accounting Officer"}}],"security":"Restricted Stock Unit","published_at":"2026-02-26T02:01:49.000Z","date":"2026-02-23","kind":"exercise","planned":false,"acquired":false,"shares":933,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Spouse's Holding"},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The restricted stock unit shall vest 33% on the first annual anniversary of the grant; 33% on the second annual anniversary of the grant; and 34% on the third annual anniversary of the grant. Each restricted stock unit represents a right to receive one share of common stock or an amount equal to the fair market value of the common stock underlying the unit on the vesting date."}],"balance_after":934,"derivative":{"exercise_price":0,"expiration_date":"2031-02-24","underlying":"Common Stock","underlying_shares":933},"source":{"system":"sec-edgar","filing":"0001357113-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/752714/000135711326000001/primary_doc.xml","form_type":"4"}},{"id":883339,"issuer":{"id":4295,"kind":"organization","name":"MCGRATH RENTCORP","symbol":"MGRC"},"owners":[{"id":39089,"kind":"person","name":"Whitney David M","position":1,"cik":"0001357113","reported_name":"Whitney David M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Accounting Officer"}}],"security":"Restricted Stock Unit","published_at":"2026-02-26T02:01:49.000Z","date":"2026-02-24","kind":"exercise","planned":false,"acquired":false,"shares":1060,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs are subject to a performance based vesting component at the end of a three-year performance period."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The conversion price of the RSUs was based on the closing price of McGrath RentCorp common stock on February 24, 2026 and therefore such date is determined to be the date exercisable."}],"balance_after":0,"derivative":{"exercise_price":0,"expiration_date":"2030-02-24","underlying":"Common Stock","underlying_shares":1060},"source":{"system":"sec-edgar","filing":"0001357113-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/752714/000135711326000001/primary_doc.xml","form_type":"4"}},{"id":883338,"issuer":{"id":4295,"kind":"organization","name":"MCGRATH RENTCORP","symbol":"MGRC"},"owners":[{"id":39089,"kind":"person","name":"Whitney David M","position":1,"cik":"0001357113","reported_name":"Whitney David M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Accounting Officer"}}],"security":"Restricted Stock Unit","published_at":"2026-02-26T02:01:49.000Z","date":"2026-02-24","kind":"exercise","planned":false,"acquired":false,"shares":354,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The restricted stock unit shall vest 33% on the first annual anniversary of the grant; 33% on the second annual anniversary of the grant; and 34% on the third annual anniversary of the grant. Each restricted stock unit represents a right to receive one share of common stock or an amount equal to the fair market value of the common stock underlying the unit on the vesting date."}],"balance_after":0,"derivative":{"exercise_price":0,"expiration_date":"2030-02-24","underlying":"Common Stock","underlying_shares":354},"source":{"system":"sec-edgar","filing":"0001357113-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/752714/000135711326000001/primary_doc.xml","form_type":"4"}},{"id":883337,"issuer":{"id":4295,"kind":"organization","name":"MCGRATH RENTCORP","symbol":"MGRC"},"owners":[{"id":39089,"kind":"person","name":"Whitney David M","position":1,"cik":"0001357113","reported_name":"Whitney David M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Accounting Officer"}}],"security":"Restricted Stock Unit","published_at":"2026-02-26T02:01:49.000Z","date":"2026-02-23","kind":"exercise","planned":false,"acquired":false,"shares":587,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The restricted stock unit shall vest 33% on the first annual anniversary of the grant; 33% on the second annual anniversary of the grant; and 34% on the third annual anniversary of the grant. 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