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The price reported reflects the weighted average sale price. 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The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":22428,"source":{"system":"sec-edgar","filing":"0001437749-26-031025","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1685213/000143774926031025/rdgdoc.xml","form_type":"4"}},{"id":4625237,"issuer":{"id":85,"kind":"organization","name":"NWPX Infrastructure, Inc.","symbol":"NWPX"},"owners":[{"id":87,"kind":"person","name":"LARSON KEITH R","position":1,"cik":"0001401658","reported_name":"LARSON KEITH R","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-09-23T15:08:16.000Z","date":"2026-09-21","kind":"sale","planned":true,"acquired":false,"shares":1000,"price":102.31,"value":102310.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Adoption date of referenced 10b5-1(c) plan is: 05-18-2026"},{"field":"shares","element":"transactionShares","label":"F1","text":"Adoption date of referenced 10b5-1(c) plan is: 05-18-2026"},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $100.46 to $103.74 per share. 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The price reported reflects the weighted average sale price. 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The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":63921,"source":{"system":"sec-edgar","filing":"0001437749-26-010582","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1001385/000143774926010582/rdgdoc.xml","form_type":"4"}},{"id":831470,"issuer":{"id":85,"kind":"organization","name":"NWPX Infrastructure, Inc.","symbol":"NWPX"},"owners":[{"id":86,"kind":"person","name":"MONTROSS SCOTT J","position":1,"cik":"0001228503","reported_name":"MONTROSS SCOTT J","relationship":{"officer":true,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2026-03-23T21:54:52.000Z","date":"2026-03-16","kind":"sale","planned":true,"acquired":false,"shares":2500,"price":72.48,"value":181200.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Adoption date of referenced 10b5-1(c) plan is: 12/03/2025"},{"field":"shares","element":"transactionShares","label":"F1","text":"Adoption date of referenced 10b5-1(c) plan is: 12/03/2025"},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades. 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