{"transactions":[{"id":4621588,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":62550,"kind":"person","name":"Clay Craig","position":1,"cik":"0001847703","reported_name":"Clay Craig","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Advisor"}}],"security":"Common Stock","published_at":"2026-09-17T21:00:06.000Z","date":"2026-09-15","kind":"gift","planned":false,"acquired":false,"shares":4364,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The transaction reported involved a gift by the reporting person of 4,364 shares of common stock to a charitable donor advised fund."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 116,724 shares held directly, 33,817 restricted stock unit, and 3,555 earned performance share units with additional service-based vesting."}],"balance_after":154096,"source":{"system":"sec-edgar","filing":"0001193125-26-394474","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1847703/000119312526394474/ownership.xml","form_type":"4"}},{"id":3525708,"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 & Intl Officer"}}],"security":"Common Stock","published_at":"2026-09-08T20:30:04.000Z","date":"2026-09-03","kind":"sale","planned":false,"acquired":false,"shares":16450,"price":48.7654,"value":802190.83,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price represents a weighted average sale price. 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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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 20,000 shares held directly, 22,174 restricted stock units, and 2,179 earned performance share units with additional service-based vesting."}],"balance_after":44353,"source":{"system":"sec-edgar","filing":"0001193125-26-385251","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1990064/000119312526385251/ownership.xml","form_type":"4"}},{"id":3295,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":2290,"kind":"person","name":"BINZ JOSEPH LEO","position":1,"cik":"0001946413","reported_name":"BINZ JOSEPH LEO","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-09-03T21:57:31.000Z","date":"2026-09-02","kind":"purchase","planned":false,"acquired":true,"shares":5780,"price":47.75,"value":275995.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 20,780 shares held directly and 3,924 restricted stock units."}],"balance_after":24704,"source":{"system":"sec-edgar","filing":"0001193125-26-382162","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1946413/000119312526382162/ownership.xml","form_type":"4"}},{"id":3294,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":2290,"kind":"person","name":"BINZ JOSEPH LEO","position":1,"cik":"0001946413","reported_name":"BINZ JOSEPH LEO","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-09-03T21:57:31.000Z","date":"2026-09-01","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":48.5245,"value":485245.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price represents a weighted average purchase price. The range of prices at which common stock was purchased was $48.1491 to $48.8999 per share. 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517,621 shares held directly, 94,031 restricted stock unit, and 9,450 earned performance share units with additional service-based vesting."}],"balance_after":621102,"source":{"system":"sec-edgar","filing":"0001193125-26-355558","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000119312526355558/ownership.xml","form_type":"4"}},{"id":715249,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":2290,"kind":"person","name":"BINZ JOSEPH LEO","position":1,"cik":"0001946413","reported_name":"BINZ JOSEPH LEO","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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The RSUs are payable in shares of common stock on May 13, 2027, the first anniversary of the 2026 annual meeting, or when the reporting person ceases to be a director, if earlier. 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The RSUs are payable in shares of common stock on the first anniversary of the grant date or when the reporting person ceases to be a director, if earlier. Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 43,214 shares held directly and 21,520 restricted stock units."}],"balance_after":64734,"source":{"system":"sec-edgar","filing":"0001193125-26-227003","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1754868/000119312526227003/ownership.xml","form_type":"4"}},{"id":777830,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":47051,"kind":"person","name":"CRANDALL RICHARD L","position":1,"cik":"0000924060","reported_name":"CRANDALL RICHARD L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-15T20:30:25.000Z","date":"2026-05-13","kind":"grant","planned":false,"acquired":true,"shares":5864,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. The RSUs are payable in shares of common stock on the first anniversary of the grant date or when the reporting person ceases to be a director, if earlier. Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 64,573 shares held directly and 50,048 restricted stock units."}],"balance_after":114621,"source":{"system":"sec-edgar","filing":"0000924060-26-000002","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/924060/000092406026000002/ownership.xml","form_type":"4"}},{"id":777043,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":46891,"kind":"person","name":"MARTIN LOIS M","position":1,"cik":"0001282708","reported_name":"MARTIN LOIS M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-15T20:30:21.000Z","date":"2026-05-13","kind":"grant","planned":false,"acquired":true,"shares":4265,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. 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Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 63,253 shares held directly and 14,694 restricted stock units."}],"balance_after":77947,"source":{"system":"sec-edgar","filing":"0001282708-26-000002","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000128270826000002/ownership.xml","form_type":"4"}},{"id":777045,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":46892,"kind":"person","name":"Aguilar Luis A","position":1,"cik":"0001671674","reported_name":"Aguilar Luis A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-15T20:30:16.000Z","date":"2026-05-13","kind":"grant","planned":false,"acquired":true,"shares":4265,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. The RSUs are payable in shares of common stock on the first anniversary of the grant date or when the reporting person ceases to be a director, if earlier. Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 38,878 shares held directly and 18,730 restricted stock units."}],"balance_after":57608,"source":{"system":"sec-edgar","filing":"0001671674-26-000002","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1671674/000167167426000002/ownership.xml","form_type":"4"}},{"id":777042,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":46890,"kind":"person","name":"Pattabhiram Chandar","position":1,"cik":"0001937606","reported_name":"Pattabhiram Chandar","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-15T20:30:12.000Z","date":"2026-05-13","kind":"grant","planned":false,"acquired":true,"shares":4265,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. The RSUs are payable in shares of common stock on the first anniversary of the grant date or when the reporting person ceases to be a director, if earlier. Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 11,914 shares held directly and 8,516 restricted stock units."}],"balance_after":20430,"source":{"system":"sec-edgar","filing":"0001937606-26-000002","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000193760626000002/ownership.xml","form_type":"4"}},{"id":777041,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":46889,"kind":"person","name":"Sayed Ayman","position":1,"cik":"0001649446","reported_name":"Sayed Ayman","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-15T20:30:10.000Z","date":"2026-05-13","kind":"grant","planned":false,"acquired":true,"shares":4265,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. 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Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 8,561 restricted stock units."}],"balance_after":8516,"source":{"system":"sec-edgar","filing":"0001649446-26-000002","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000164944626000002/ownership.xml","form_type":"4"}},{"id":777040,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":46888,"kind":"person","name":"GREENFIELD GARY G","position":1,"cik":"0001233415","reported_name":"GREENFIELD GARY G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-15T20:30:05.000Z","date":"2026-05-13","kind":"grant","planned":false,"acquired":true,"shares":4265,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. The RSUs are payable in shares of common stock on the first anniversary of the grant date or when the reporting person ceases to be a director, if earlier. Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 30,123.5 shares held directly and 21,520 restricted stock units."}],"balance_after":51643.5,"source":{"system":"sec-edgar","filing":"0001233415-26-000002","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000123341526000002/ownership.xml","form_type":"4"}},{"id":850937,"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":"2026-03-10T20:58:41.000Z","date":"2026-03-06","kind":"sale","planned":false,"acquired":false,"shares":20280,"price":50.164,"value":1017325.92,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price represents a weighted average sale price. 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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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 87,473 shares held directly, 26,584 restricted stock unit, and 2,757 earned performance share units with additional service-based vesting."}],"balance_after":116814,"source":{"system":"sec-edgar","filing":"0001847839-26-000005","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000184783926000005/ownership.xml","form_type":"4"}},{"id":858377,"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":"2026-03-05T23:00:11.000Z","date":"2026-03-04","kind":"sale","planned":false,"acquired":false,"shares":7684,"price":52.0284,"value":399786.2256,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The reported price represents a weighted average sale price. 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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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"Includes 36,450 shares held directly, 22,174 restricted stock unit, and 2,179 earned performance share units with additional service-based vesting."}],"balance_after":60803,"source":{"system":"sec-edgar","filing":"0001990064-26-000002","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000199006426000002/ownership.xml","form_type":"4"}},{"id":858376,"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":"2026-03-05T23:00:11.000Z","date":"2026-03-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":954,"price":52.97,"value":50533.38,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares were withheld as payment of a tax liability incident to vesting of restricted stock units issued in accordance with Rule 16b-3."}],"balance_after":68487,"source":{"system":"sec-edgar","filing":"0001990064-26-000002","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000199006426000002/ownership.xml","form_type":"4"}},{"id":858375,"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":"2026-03-05T23:00:11.000Z","date":"2026-03-03","kind":"grant","planned":false,"acquired":true,"shares":13256,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. 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The total earned stock units of 40,198 were delivered on March 3, 2026."}],"balance_after":238365,"source":{"system":"sec-edgar","filing":"0001685399-26-000002","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1685399/000168539926000002/ownership.xml","form_type":"4"}},{"id":858492,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":62565,"kind":"person","name":"Gardella David A","position":1,"cik":"0001685399","reported_name":"Gardella David A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-05T18:00:07.000Z","date":"2026-03-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":4827,"price":51.77,"value":249893.79,"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."}],"balance_after":216756,"source":{"system":"sec-edgar","filing":"0001685399-26-000002","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1685399/000168539926000002/ownership.xml","form_type":"4"}},{"id":874094,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":20832,"kind":"person","name":"Leib Daniel","position":1,"cik":"0001464929","reported_name":"Leib Daniel","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-03-02T21:30:09.000Z","date":"2026-02-26","kind":"sale","planned":true,"acquired":false,"shares":10000,"price":50.3587,"value":503587.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $50.01 to $50.85 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 443,953 shares held directly, 75,770 restricted stock unit, and 48,458 earned performance share units with additional service-based vesting."}],"balance_after":568181,"source":{"system":"sec-edgar","filing":"0001464929-26-000002","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000146492926000002/ownership.xml","form_type":"4"}},{"id":1053608,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":46892,"kind":"person","name":"Aguilar Luis A","position":1,"cik":"0001671674","reported_name":"Aguilar Luis A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-28T20:30:07.000Z","date":"2025-08-27","kind":"sale","planned":false,"acquired":false,"shares":7421,"price":56.7147,"value":420879.7887,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $56.22 to $57.00 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 38,878 shares held directly and 14,465 restricted stock units."}],"balance_after":53343,"source":{"system":"sec-edgar","filing":"0000950170-25-111977","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1671674/000095017025111977/ownership.xml","form_type":"4"}},{"id":1061858,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":22225,"kind":"person","name":"Trzcinski Leah Marie","position":1,"cik":"0001990162","reported_name":"Trzcinski Leah Marie","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-08-19T21:30:08.000Z","date":"2025-08-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":1234,"price":54.25,"value":66944.5,"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 3,536 shares held directly, 9,387 restricted stock unit, and 350 earned performance share units with additional service-based vesting."}],"balance_after":13273,"source":{"system":"sec-edgar","filing":"0000950170-25-110194","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025110194/ownership.xml","form_type":"4"}},{"id":1063921,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":20832,"kind":"person","name":"Leib Daniel","position":1,"cik":"0001464929","reported_name":"Leib Daniel","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2025-08-18T21:14:23.000Z","date":"2025-08-14","kind":"exercise","planned":true,"acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 19, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option vests/ vested in four equal annual installments beginning on March 2, 2018."}],"balance_after":27400,"derivative":{"exercise_price":19.42,"expiration_date":"2028-03-01","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0000950170-25-109839","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025109839/ownership.xml","form_type":"4"}},{"id":1063920,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":20832,"kind":"person","name":"Leib Daniel","position":1,"cik":"0001464929","reported_name":"Leib Daniel","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-08-18T21:14:23.000Z","date":"2025-08-14","kind":"sale","planned":true,"acquired":false,"shares":800,"price":56.9127,"value":45530.16,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $56.80 to $57.13 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 453,953 shares held directly, 75,770 restricted stock unit, and 48,458 earned performance share units with additional service-based vesting."}],"balance_after":578181,"source":{"system":"sec-edgar","filing":"0000950170-25-109839","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025109839/ownership.xml","form_type":"4"}},{"id":1063919,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":20832,"kind":"person","name":"Leib Daniel","position":1,"cik":"0001464929","reported_name":"Leib Daniel","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-08-18T21:14:23.000Z","date":"2025-08-14","kind":"sale","planned":true,"acquired":false,"shares":6333,"price":56.07,"value":355091.31,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $55.69 to $56.66 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":578981,"source":{"system":"sec-edgar","filing":"0000950170-25-109839","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025109839/ownership.xml","form_type":"4"}},{"id":1063918,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":20832,"kind":"person","name":"Leib Daniel","position":1,"cik":"0001464929","reported_name":"Leib Daniel","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-08-18T21:14:23.000Z","date":"2025-08-14","kind":"sale","planned":true,"acquired":false,"shares":12867,"price":55.1982,"value":710235.2394,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $54.67 to $55.66 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":585314,"source":{"system":"sec-edgar","filing":"0000950170-25-109839","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025109839/ownership.xml","form_type":"4"}},{"id":1063917,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":20832,"kind":"person","name":"Leib Daniel","position":1,"cik":"0001464929","reported_name":"Leib Daniel","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-08-18T21:14:23.000Z","date":"2025-08-14","kind":"exercise","planned":true,"acquired":true,"shares":20000,"price":19.42,"value":388400.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 19, 2025."}],"balance_after":598181,"source":{"system":"sec-edgar","filing":"0000950170-25-109839","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025109839/ownership.xml","form_type":"4"}},{"id":1114926,"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":"2025-06-12T00:17:58.000Z","date":"2025-06-10","kind":"sale","planned":false,"acquired":false,"shares":10000,"price":56.5376,"value":565376.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $56.51 to $56.755 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 31,921 shares held directly, 17,065 restricted stock unit, and 9.829 earned performance share units with additional service-based vesting."}],"balance_after":58815,"source":{"system":"sec-edgar","filing":"0000950170-25-085038","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025085038/ownership.xml","form_type":"4"}},{"id":1131876,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":62550,"kind":"person","name":"Clay Craig","position":1,"cik":"0001847703","reported_name":"Clay Craig","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, GCM"}}],"security":"Common Stock","published_at":"2025-05-28T20:30:05.000Z","date":"2025-05-23","kind":"sale","planned":false,"acquired":false,"shares":11022,"price":54.032,"value":595540.704,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $53.615 to $54.30 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 94,450 shares held directly, 28,730 restricted stock unit, and 20,268 earned performance share units with additional service-based vesting."}],"balance_after":143448,"source":{"system":"sec-edgar","filing":"0000950170-25-078367","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025078367/ownership.xml","form_type":"4"}},{"id":1137182,"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":"2025-05-22T20:30:18.000Z","date":"2025-05-21","kind":"sale","planned":false,"acquired":false,"shares":14475,"price":54.6296,"value":790763.46,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $54.27 to $54.77 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 86,095 shares held directly, 21,868 restricted stock unit, and 14,129 earned performance share units with additional service-based vesting."}],"balance_after":122092,"source":{"system":"sec-edgar","filing":"0000950170-25-076373","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025076373/ownership.xml","form_type":"4"}},{"id":1137181,"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":"2025-05-22T20:30:18.000Z","date":"2025-05-20","kind":"sale","planned":false,"acquired":false,"shares":5000,"price":54.6261,"value":273130.5,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $54.39 to $54.8507 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":136567,"source":{"system":"sec-edgar","filing":"0000950170-25-076373","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025076373/ownership.xml","form_type":"4"}},{"id":1142693,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":20832,"kind":"person","name":"Leib Daniel","position":1,"cik":"0001464929","reported_name":"Leib Daniel","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Employee Stock Option (right to 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Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 26, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $55.00 to $55.32 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 453,953 shares held directly, 75,770 restricted stock unit, and 48,458 earned performance share units with additional service-based vesting."}],"balance_after":578181,"source":{"system":"sec-edgar","filing":"0000950170-25-074370","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025074370/ownership.xml","form_type":"4"}},{"id":1142689,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":20832,"kind":"person","name":"Leib Daniel","position":1,"cik":"0001464929","reported_name":"Leib Daniel","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-05-19T20:19:50.000Z","date":"2025-05-16","kind":"exercise","planned":true,"acquired":true,"shares":13700,"price":17.65,"value":241805.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 26, 2024."}],"balance_after":591881,"source":{"system":"sec-edgar","filing":"0000950170-25-074370","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025074370/ownership.xml","form_type":"4"}},{"id":1142688,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":20832,"kind":"person","name":"Leib Daniel","position":1,"cik":"0001464929","reported_name":"Leib Daniel","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-05-19T20:19:50.000Z","date":"2025-05-15","kind":"sale","planned":true,"acquired":false,"shares":24599,"price":55.0247,"value":1353552.5953,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 26, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $54.87 to $55.26 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":578181,"source":{"system":"sec-edgar","filing":"0000950170-25-074370","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025074370/ownership.xml","form_type":"4"}},{"id":1142687,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":20832,"kind":"person","name":"Leib Daniel","position":1,"cik":"0001464929","reported_name":"Leib Daniel","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-05-19T20:19:50.000Z","date":"2025-05-15","kind":"sale","planned":true,"acquired":false,"shares":10401,"price":54.4932,"value":566783.7732,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 26, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $53.87 to $54.86 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":602780,"source":{"system":"sec-edgar","filing":"0000950170-25-074370","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025074370/ownership.xml","form_type":"4"}},{"id":1142686,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":20832,"kind":"person","name":"Leib Daniel","position":1,"cik":"0001464929","reported_name":"Leib Daniel","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-05-19T20:19:50.000Z","date":"2025-05-15","kind":"exercise","planned":true,"acquired":true,"shares":14200,"price":17.65,"value":250630.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 26, 2024."}],"balance_after":613181,"source":{"system":"sec-edgar","filing":"0000950170-25-074370","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025074370/ownership.xml","form_type":"4"}},{"id":1142685,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":20832,"kind":"person","name":"Leib Daniel","position":1,"cik":"0001464929","reported_name":"Leib Daniel","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-05-19T20:19:50.000Z","date":"2025-05-15","kind":"exercise","planned":true,"acquired":true,"shares":20800,"price":22.35,"value":464880.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 26, 2024."}],"balance_after":598981,"source":{"system":"sec-edgar","filing":"0000950170-25-074370","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025074370/ownership.xml","form_type":"4"}},{"id":1145380,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":46889,"kind":"person","name":"Sayed Ayman","position":1,"cik":"0001649446","reported_name":"Sayed Ayman","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-16T21:30:16.000Z","date":"2025-05-14","kind":"grant","planned":false,"acquired":true,"shares":4251,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. The RSUs are payable in shares of common stock on the first anniversary of the grant date or when the reporting person ceases to be a director, if earlier. Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 4,251 restricted stock units."}],"balance_after":4251,"source":{"system":"sec-edgar","filing":"0000950170-25-073726","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025073726/ownership.xml","form_type":"4"}},{"id":1145378,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":46890,"kind":"person","name":"Pattabhiram Chandar","position":1,"cik":"0001937606","reported_name":"Pattabhiram Chandar","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-16T21:30:14.000Z","date":"2025-05-14","kind":"grant","planned":false,"acquired":true,"shares":4251,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. The RSUs are payable in shares of common stock on the first anniversary of the grant date or when the reporting person ceases to be a director, if earlier. Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 9,124 shares held directly and 7,041 restricted stock units."}],"balance_after":16165,"source":{"system":"sec-edgar","filing":"0000950170-25-073725","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025073725/ownership.xml","form_type":"4"}},{"id":1145381,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":46892,"kind":"person","name":"Aguilar Luis A","position":1,"cik":"0001671674","reported_name":"Aguilar Luis A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-16T21:30:11.000Z","date":"2025-05-14","kind":"grant","planned":false,"acquired":true,"shares":4251,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. The RSUs are payable in shares of common stock on the first anniversary of the grant date or when the reporting person ceases to be a director, if earlier. Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 43,509 shares held directly and 17,255 restricted stock units."}],"balance_after":60764,"source":{"system":"sec-edgar","filing":"0000950170-25-073724","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1671674/000095017025073724/ownership.xml","form_type":"4"}},{"id":1145379,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":46888,"kind":"person","name":"GREENFIELD GARY G","position":1,"cik":"0001233415","reported_name":"GREENFIELD GARY G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-16T21:30:10.000Z","date":"2025-05-14","kind":"grant","planned":false,"acquired":true,"shares":4251,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. The RSUs are payable in shares of common stock on the first anniversary of the grant date or when the reporting person ceases to be a director, if earlier. Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 30,123.5 shares held directly and 17,255 restricted stock units."}],"balance_after":47378.5,"source":{"system":"sec-edgar","filing":"0000950170-25-073723","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025073723/ownership.xml","form_type":"4"}},{"id":1145469,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":34014,"kind":"person","name":"Ellis Juliet S","position":1,"cik":"0001754868","reported_name":"Ellis Juliet S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-16T21:30:08.000Z","date":"2025-05-14","kind":"grant","planned":false,"acquired":true,"shares":4251,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. The RSUs are payable in shares of common stock on the first anniversary of the grant date or when the reporting person ceases to be a director, if earlier. Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 43,214 shares held directly and 17,255 restricted stock units."}],"balance_after":60469,"source":{"system":"sec-edgar","filing":"0000950170-25-073722","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1754868/000095017025073722/ownership.xml","form_type":"4"}},{"id":1145377,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":46891,"kind":"person","name":"MARTIN LOIS M","position":1,"cik":"0001282708","reported_name":"MARTIN LOIS M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-16T21:30:06.000Z","date":"2025-05-14","kind":"grant","planned":false,"acquired":true,"shares":4251,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. The RSUs are payable in shares of common stock on the first anniversary of the grant date or when the reporting person ceases to be a director, if earlier. Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 60,463 shares held directly and 13,219 restricted stock units."}],"balance_after":73682,"source":{"system":"sec-edgar","filing":"0000950170-25-073721","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025073721/ownership.xml","form_type":"4"}},{"id":1146214,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":47051,"kind":"person","name":"CRANDALL RICHARD L","position":1,"cik":"0000924060","reported_name":"CRANDALL RICHARD L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-16T21:30:05.000Z","date":"2025-05-14","kind":"grant","planned":false,"acquired":true,"shares":5314,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. The RSUs are payable in shares of common stock on the first anniversary of the grant date or when the reporting person ceases to be a director, if earlier. Additionally, the reporting person may defer payment of any vesting of shares until the date such person ceases to be a director."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 60,986 shares held directly and 47,771 restricted stock units."}],"balance_after":108757,"source":{"system":"sec-edgar","filing":"0000950170-25-073720","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/924060/000095017025073720/ownership.xml","form_type":"4"}},{"id":1153710,"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":"2025-05-09T20:30:14.000Z","date":"2025-05-07","kind":"sale","planned":false,"acquired":false,"shares":4703,"price":52.0899,"value":244978.7997,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $52.03 to $52.50 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 41,921 shares held directly, 17,065 restricted stock unit, and 9.829 earned performance share units with additional service-based vesting."}],"balance_after":68815,"source":{"system":"sec-edgar","filing":"0000950170-25-068085","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025068085/ownership.xml","form_type":"4"}},{"id":1222457,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":22225,"kind":"person","name":"Trzcinski Leah Marie","position":1,"cik":"0001990162","reported_name":"Trzcinski Leah Marie","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-03-05T22:57:00.000Z","date":"2025-03-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":429,"price":46.1,"value":19776.9,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","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":"F4","text":"Includes 1,986 shares held directly, 12,171 restricted stock unit, and 350 earned performance share units with additional service-based vesting."}],"balance_after":14507,"source":{"system":"sec-edgar","filing":"0000950170-25-033902","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025033902/ownership.xml","form_type":"4"}},{"id":1222456,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":22225,"kind":"person","name":"Trzcinski Leah Marie","position":1,"cik":"0001990162","reported_name":"Trzcinski Leah Marie","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-03-05T22:57:00.000Z","date":"2025-03-03","kind":"grant","planned":false,"acquired":true,"shares":4871,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","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 3, 2026."}],"balance_after":14936,"source":{"system":"sec-edgar","filing":"0000950170-25-033902","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025033902/ownership.xml","form_type":"4"}},{"id":1222455,"issuer":{"id":2289,"kind":"organization","name":"Donnelley Financial Solutions, Inc.","symbol":"DFIN"},"owners":[{"id":22225,"kind":"person","name":"Trzcinski Leah Marie","position":1,"cik":"0001990162","reported_name":"Trzcinski Leah Marie","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-03-05T22:57:00.000Z","date":"2025-03-03","kind":"grant","planned":false,"acquired":true,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents earned portions of the Company granted PSUs issued in 2024 pursuant to a Rule 16b-3 plan for which performance has been determined.  For the 2024 PSUs, 10% is subject to performance goals related to 2024 performance, which was determined by the Compensation Committee to be achieved on March 3, 2025 and resulted in 350 earned stock units, subject to additional modification based on the Company's relative total shareholder return at the end of 2026.  Earned stock units for the 2024 PSUs remain subject to service-based vesting until each of the performance periods related to that PSU's goals is complete, at the close of 2026, and final performance and payout is determined."}],"balance_after":10065,"source":{"system":"sec-edgar","filing":"0000950170-25-033902","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025033902/ownership.xml","form_type":"4"}},{"id":1222454,"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":"2025-03-05T22:56:44.000Z","date":"2025-03-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":954,"price":46.1,"value":43979.4,"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":"F6","text":"Includes 46,624 shares held directly, 17,065 restricted stock unit, and 9,829 earned performance share units with additional service-based vesting."}],"balance_after":73518,"source":{"system":"sec-edgar","filing":"0000950170-25-033901","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025033901/ownership.xml","form_type":"4"}},{"id":1222453,"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":"2025-03-05T22:56:44.000Z","date":"2025-03-03","kind":"grant","planned":false,"acquired":true,"shares":9742,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Company granted restricted stock units (\"RSUs\") issued pursuant to a Rule 16b-3 plan. 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For the 2023 PSUs, 25% is subject to performance goals related to 2024 performance, which was determined by the Compensation Committee to be achieved on March 3, 2025 and resulted in 3,556 earned stock units.  For the 2024 PSUs, 10% is subject to performance goals related to 2024 performance, which was determined by the Compensation Committee to be achieved on March 3, 2025 and resulted in 979 earned stock units, subject to additional modification based on the Company's relative total shareholder return at the end of 2026.  Earned stock units for the 2023 and 2024 PSUs remain subject to service-based vesting until each of the performance periods related to that PSU's goals is complete, at the close of 2025 and 2026 respectively, and final performance and payout is determined."}],"balance_after":64730,"source":{"system":"sec-edgar","filing":"0000950170-25-033901","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025033901/ownership.xml","form_type":"4"}},{"id":1222451,"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":"2025-03-05T22:56:44.000Z","date":"2025-03-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":6784,"price":47.54,"value":322511.36,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","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":60195,"source":{"system":"sec-edgar","filing":"0000950170-25-033901","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025033901/ownership.xml","form_type":"4"}},{"id":1222450,"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":"2025-03-05T22:56:44.000Z","date":"2025-03-03","kind":"grant","planned":false,"acquired":true,"shares":9960,"price":47.54,"value":473498.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents earned portions of Company granted PSUs issued in 2022 pursuant to a Rule 16b-3 plan for which performance has been determined. On March 3, 2025, the Compensation Committee determined the achievement of the performance goals for 2024 and 2022-2024, resulting in 5,316 and 4,644 earned stock units, respectively. The Compensation Committee had previously determined the achievement of the performance goals for 2022 and 2023, resulting in 4,816 and 2,463 earned stock units. 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For the 2023 PSUs, 25% is subject to performance goals related to 2024 performance, which was determined by the Compensation Committee to be achieved on March 3, 2025 and resulted in 5,157 earned stock units.  For the 2024 PSUs, 10% is subject to performance goals related to 2024 performance, which was determined by the Compensation Committee to be achieved on March 3, 2025 and resulted in 1,294 earned stock units, subject to additional modification based on the Company's relative total shareholder return at the end of 2026.  Earned stock units for the 2023 and 2024 PSUs remain subject to service-based vesting until each of the performance periods related to that PSU's goals is complete, at the close of 2025 and 2026 respectively, and final performance and payout is determined."}],"balance_after":131087,"source":{"system":"sec-edgar","filing":"0000950170-25-033900","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1669811/000095017025033900/ownership.xml","form_type":"4"}}],"next_cursor":"2025-03-05T22:56:31.000000Z,1222446"}