{"transactions":[{"id":719677,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-07-03T00:04:35.000Z","date":"2026-07-01","kind":"grant","planned":false,"acquired":true,"shares":2782,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Restricted Stock Units vest in one installment on July 1, 2027, and will be settled by delivery of unrestricted shares of common stock on the vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The Restricted Stock Units vest in one installment on July 1, 2027, and will be settled by delivery of unrestricted shares of common stock on the vesting date."}],"balance_after":2782,"derivative":{"underlying":"Common Stock","underlying_shares":2782},"source":{"system":"sec-edgar","filing":"0001945290-26-000001","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/902791/000194529026000001/primarydocument.xml","form_type":"4"}},{"id":719676,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-07-03T00:04:35.000Z","date":"2026-07-01","kind":"exercise","planned":false,"acquired":false,"shares":2344,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Restricted Stock Units vest in one installment on July 1, 2026, and will be settled by delivery of unrestricted shares of common stock on the vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Restricted Stock Units vest in one installment on July 1, 2026, and will be settled by delivery of unrestricted shares of common stock on the vesting date."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":2344},"source":{"system":"sec-edgar","filing":"0001945290-26-000001","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/902791/000194529026000001/primarydocument.xml","form_type":"4"}},{"id":719675,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-03T00:04:35.000Z","date":"2026-07-01","kind":"exercise","planned":false,"acquired":true,"shares":2344,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":17735,"source":{"system":"sec-edgar","filing":"0001945290-26-000001","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/902791/000194529026000001/primarydocument.xml","form_type":"4"}},{"id":1002950,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-12T21:59:46.000Z","date":"2025-11-11","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":34.83,"value":34830.0,"ownership":{"direct":true},"balance_after":15391,"source":{"system":"sec-edgar","filing":"0001945290-25-000003","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/902791/000194529025000003/primarydocument.xml","form_type":"4"}},{"id":1093276,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-07-03T17:28:22.000Z","date":"2025-07-01","kind":"grant","planned":false,"acquired":true,"shares":2344,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Restricted Stock Units vest in one installment on July 1, 2026, and will be settled by delivery of unrestricted shares of common stock on the vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The Restricted Stock Units vest in one installment on July 1, 2026, and will be settled by delivery of unrestricted shares of common stock on the vesting date."}],"balance_after":2344,"derivative":{"underlying":"Common Stock","underlying_shares":2344},"source":{"system":"sec-edgar","filing":"0001562180-25-005283","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/902791/000156218025005283/primarydocument.xml","form_type":"4"}},{"id":1093275,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-07-03T17:28:22.000Z","date":"2025-07-01","kind":"exercise","planned":false,"acquired":false,"shares":3064,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Restricted Stock Units vest in one installment on July 1, 2025, and will be settled by delivery of unrestricted shares of common stock on the vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Restricted Stock Units vest in one installment on July 1, 2025, and will be settled by delivery of unrestricted shares of common stock on the vesting date."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":3064},"source":{"system":"sec-edgar","filing":"0001562180-25-005283","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/902791/000156218025005283/primarydocument.xml","form_type":"4"}},{"id":1093274,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-07-03T17:28:22.000Z","date":"2025-07-01","kind":"exercise","planned":false,"acquired":true,"shares":3064,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":14391,"source":{"system":"sec-edgar","filing":"0001562180-25-005283","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/902791/000156218025005283/primarydocument.xml","form_type":"4"}},{"id":1360286,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-19T23:14:33.000Z","date":"2024-11-12","kind":"purchase","planned":false,"acquired":true,"shares":1635,"price":43.009,"value":70319.715,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $42.99 to $43.05. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":11327,"source":{"system":"sec-edgar","filing":"0001562180-24-007804","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/902791/000156218024007804/primarydocument.xml","form_type":"4"}},{"id":1461086,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-07-03T21:51:39.000Z","date":"2024-07-01","kind":"grant","planned":false,"acquired":true,"shares":3064,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The Restricted Stock Units vest in one equal annual installment beginning July 1, 2025, and will be settled by delivery of unrestricted shares of common stock on the vesting date"},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The Restricted Stock Units vest in one equal annual installment beginning July 1, 2025, and will be settled by delivery of unrestricted shares of common stock on the vesting date"}],"balance_after":3064,"derivative":{"underlying":"Common Stock","underlying_shares":3064},"source":{"system":"sec-edgar","filing":"0001562180-24-005612","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/902791/000156218024005612/primarydocument.xml","form_type":"4"}},{"id":1461085,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-07-03T21:51:39.000Z","date":"2024-07-01","kind":"exercise","planned":false,"acquired":false,"shares":4584,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F1","text":"Adjusted to reflect a four-for-one forward split of the Issuer's common stock effective on June 21, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Restricted Stock Units vest in one equal annual installment beginning July 1, 2024, and will be settled by delivery of unrestricted shares of common stock on the vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The Restricted Stock Units vest in one equal annual installment beginning July 1, 2024, and will be settled by delivery of unrestricted shares of common stock on the vesting date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"Adjusted to reflect a four-for-one forward split of the Issuer's common stock effective on June 21, 2024."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":4584},"source":{"system":"sec-edgar","filing":"0001562180-24-005612","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/902791/000156218024005612/primarydocument.xml","form_type":"4"}},{"id":1461084,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-07-03T21:51:39.000Z","date":"2024-07-01","kind":"exercise","planned":false,"acquired":true,"shares":4584,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Adjusted to reflect a four-for-one forward split of the Issuer's common stock effective on June 21, 2024."}],"balance_after":9692,"source":{"system":"sec-edgar","filing":"0001562180-24-005612","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/902791/000156218024005612/primarydocument.xml","form_type":"4"}},{"id":1744757,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-11-13T16:05:56.000Z","date":"2023-11-09","kind":"purchase","planned":false,"acquired":true,"shares":290,"price":103.048,"value":29883.92,"ownership":{"direct":true},"balance_after":1277,"source":{"system":"sec-edgar","filing":"0001562180-23-007635","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/902791/000156218023007635/primarydocument.xml","form_type":"4"}},{"id":1838014,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-07-05T21:36:17.000Z","date":"2023-07-01","kind":"grant","planned":false,"acquired":true,"shares":1146,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Restricted Stock Units vest in one equal annual installment beginning July 1, 2024, and will be settled by delivery of unrestricted shares of common stock on the vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The Restricted Stock Units vest in one equal annual installment beginning July 1, 2024, and will be settled by delivery of unrestricted shares of common stock on the vesting date."}],"balance_after":1146,"derivative":{"underlying":"Common Stock","underlying_shares":1146},"source":{"system":"sec-edgar","filing":"0001562180-23-005722","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/902791/000156218023005722/primarydocument.xml","form_type":"4"}},{"id":1838013,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-07-05T21:36:17.000Z","date":"2023-07-01","kind":"exercise","planned":false,"acquired":false,"shares":987,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Restricted Stock Units vest in one equal annual installment beginning July 1, 2023, and will be settled by delivery of unrestricted shares of common stock on the vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Restricted Stock Units vest in one equal annual installment beginning July 1, 2023, and will be settled by delivery of unrestricted shares of common stock on the vesting date."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":987},"source":{"system":"sec-edgar","filing":"0001562180-23-005722","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/902791/000156218023005722/primarydocument.xml","form_type":"4"}},{"id":1838012,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-07-05T21:36:17.000Z","date":"2023-07-01","kind":"exercise","planned":false,"acquired":true,"shares":987,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":987,"source":{"system":"sec-edgar","filing":"0001562180-23-005722","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/902791/000156218023005722/primarydocument.xml","form_type":"4"}},{"id":2154414,"issuer":{"id":5097,"kind":"organization","name":"BARRETT BUSINESS SERVICES INC"},"owners":[{"id":33361,"kind":"person","name":"Clabby Joseph Stephen","position":1,"cik":"0001945290","reported_name":"Clabby Joseph Stephen","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2022-09-20T20:30:25.000Z","date":"2022-09-16","kind":"grant","acquired":true,"shares":987,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Restricted Stock Units vest in one installment on July 1st, 2023 and will be settled by delivery of unrestricted shares of common stock on the vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Restricted Stock Units vest in one installment on July 1st, 2023 and will be settled by delivery of unrestricted shares of common stock on the vesting date."}],"balance_after":987,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":987},"source":{"system":"sec-edgar","filing":"0001562180-22-006742","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/902791/000156218022006742/primarydocument.xml","form_type":"4"}}]}