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The RSUs vest three equal annual installments beginning on March 4, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 117,934 shares held directly, 20,022 restricted stock units, and 18,069 earned performance share units with additional service-based vesting."}],"balance_after":156025,"source":{"system":"sec-edgar","filing":"0000950170-24-027413","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017024027413/ownership.xml","form_type":"4"}},{"id":1591706,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":61743,"kind":"person","name":"Johnson Eric J","position":1,"cik":"0001847839","reported_name":"Johnson Eric J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, GIC"}}],"security":"Common Stock","published_at":"2024-03-06T23:22:20.000Z","date":"2024-03-04","kind":"grant","planned":false,"acquired":true,"shares":11194,"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 3,516 and 7,678 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":146421,"source":{"system":"sec-edgar","filing":"0000950170-24-027413","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017024027413/ownership.xml","form_type":"4"}},{"id":1591705,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":61743,"kind":"person","name":"Johnson Eric J","position":1,"cik":"0001847839","reported_name":"Johnson Eric J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, GIC"}}],"security":"Common Stock","published_at":"2024-03-06T23:22:20.000Z","date":"2024-03-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":15970,"price":65.53,"value":1046514.1,"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":135227,"source":{"system":"sec-edgar","filing":"0000950170-24-027413","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017024027413/ownership.xml","form_type":"4"}},{"id":1591704,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":61743,"kind":"person","name":"Johnson Eric J","position":1,"cik":"0001847839","reported_name":"Johnson Eric J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, GIC"}}],"security":"Common Stock","published_at":"2024-03-06T23:22:20.000Z","date":"2024-03-04","kind":"grant","planned":false,"acquired":true,"shares":17348,"price":65.53,"value":1136814.44,"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. 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