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The range of prices at which common stock was sold was $63.76 to $63.92 per share.  The Reporting Person undertakes to provide to the staff, the issuer or a security holder full information regarding the number of shares sold at each separate price."}],"balance_after":77212,"source":{"system":"sec-edgar","filing":"0000950170-24-053687","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017024053687/ownership.xml","form_type":"4"}},{"id":1591711,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":62551,"kind":"person","name":"Williams Robert Kirk","position":1,"cik":"0001990064","reported_name":"Williams Robert Kirk","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People & Admin Officer"}}],"security":"Common Stock","published_at":"2024-03-06T23:22:35.000Z","date":"2024-03-04","kind":"grant","planned":false,"acquired":true,"shares":7268,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. The RSUs vest three equal annual installments beginning on March 4, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 51,005 shares held directly, 14,489 restricted stock units, and 12,573 earned performance share units with additional service-based vesting."}],"balance_after":78067,"source":{"system":"sec-edgar","filing":"0000950170-24-027414","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017024027414/ownership.xml","form_type":"4"}},{"id":1591710,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":62551,"kind":"person","name":"Williams Robert Kirk","position":1,"cik":"0001990064","reported_name":"Williams Robert Kirk","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People & Admin Officer"}}],"security":"Common Stock","published_at":"2024-03-06T23:22:35.000Z","date":"2024-03-04","kind":"grant","planned":false,"acquired":true,"shares":7757,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents earned portions of Company granted PSUs issued in 2022 and 2023 pursuant to a Rule 16b-3 plan for which performance has been determined. 25% of each of the 2022 and 2023 PSUs are subject to performance goals for 2023. On March 4, 2024, the Compensation Committee determined the achievement of the performance goals for 2023, resulting in 2,463 and 5,294 earned stock units, for the 2022 and 2023 PSUs respectively, all of which remain subject to service-based vesting until cumulative performance of the PSU goals is determined after the close of the 2024 and 2025 performance year, as applicable."}],"balance_after":70799,"source":{"system":"sec-edgar","filing":"0000950170-24-027414","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017024027414/ownership.xml","form_type":"4"}},{"id":1591709,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":62551,"kind":"person","name":"Williams Robert Kirk","position":1,"cik":"0001990064","reported_name":"Williams Robert Kirk","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People & Admin Officer"}}],"security":"Common Stock","published_at":"2024-03-06T23:22:35.000Z","date":"2024-03-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":9419,"price":65.53,"value":617227.07,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares were withheld as payment of a tax liability incident to vesting of performance stock units issued in accordance with Rule 16b-3."}],"balance_after":63042,"source":{"system":"sec-edgar","filing":"0000950170-24-027414","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017024027414/ownership.xml","form_type":"4"}},{"id":1591708,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":62551,"kind":"person","name":"Williams Robert Kirk","position":1,"cik":"0001990064","reported_name":"Williams Robert Kirk","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People & Admin Officer"}}],"security":"Common Stock","published_at":"2024-03-06T23:22:35.000Z","date":"2024-03-04","kind":"grant","planned":false,"acquired":true,"shares":11308,"price":65.53,"value":741013.24,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents earned portions of Company granted PSUs issued in 2021 pursuant to a Rule 16b-3 plan for which performance has been determined. On March 4, 2024, the Compensation Committee determined the achievement of the performance goals for 2023 and 2021-2023, resulting in 4,242 and 7,066 earned stock units, respectively. The Compensation Committee had previously determined the achievement of the performance goals for 2021 and 2022, resulting in 8,800 and 3,828 earned stock units. The total earned stock units of 23,936 were delivered on March 4, 2024."}],"balance_after":72461,"source":{"system":"sec-edgar","filing":"0000950170-24-027414","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017024027414/ownership.xml","form_type":"4"}},{"id":1596306,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":62551,"kind":"person","name":"Williams Robert Kirk","position":1,"cik":"0001990064","reported_name":"Williams Robert Kirk","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People & Admin Officer"}}],"security":"Common Stock","published_at":"2024-03-06T01:47:13.000Z","date":"2024-03-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":3077,"price":64.58,"value":198712.66,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were withheld as payment of a tax liability incident to vesting of restricted stock units issued in accordance with Rule 16b-3."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 36,488 shares held directly, 7,221 restricted stock unit, and 17,444 earned performance share units with additional service-based vesting."}],"balance_after":61153,"source":{"system":"sec-edgar","filing":"0000950170-24-026722","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017024026722/ownership.xml","form_type":"4"}}]}