1 unchanged sentence
Trading Plans
−Removed: During the quarter ended March 31, 2026 , none of our directors or executive officers adopted or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement” (as each term is defined in Item 408 of Regulation S-K).
+Added: During the quarter ended June 30, 2026 , none of our directors or executive officers adopted or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement” (as each term is defined in Item 408 of Regulation S-K).
Certification of Chief Executive Officer pursuant to Rule 13a-14(a).
8 unchanged sentences
Inline XBRL Taxonomy Extension Presentation Linkbase Document
−Removed: The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2026, has been formatted in Inline XBRL.
+Added: The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2026, has been formatted in Inline XBRL.
* Furnished, not filed.
1 unchanged sentence
BARRETT BUSINESS SERVICES, INC.
+Added: August 5, 2026
/s/ Anthony J.
1 unchanged sentence
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.