{"version":"company-facts.v1","source":"https://secwatch.observer","generated_at":"2026-07-11T21:25:47.732981+00:00","company":{"ticker":"DNTH","cik":1690585,"company_name":"Dianthus Therapeutics, Inc. /DE/"},"pagination":{"limit":100,"returned":55,"next_cursor":null},"license":"Source filings: public domain (SEC EDGAR). 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Albers resigned as Director at Dianthus Therapeutics, Inc. /DE/.","evidence_excerpt":"Jeffrey W. Albers, Bruce Booth, D. Phil., Thomas O. Daniel, M.D., Amy Lynn Ronneberg, David T. Scadden, M.D. and Michael Vasconcelles, M.D. resigned from the Board of Directors and committees of the Board of Directors on which they respectively served, which resignations were not the result of any disagreements with the Company relating to the Company’s operations, policies or practices.","confidence":0.95,"filing_url":"https://secwatch.observer/filing/0001193125-23-233448","anchor_url":"https://secwatch.observer/filing/0001193125-23-233448#claim-10ee40231f","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312523233448/0001193125-23-233448-index.htm"},{"fact_type":"shareholder_vote","fact_key":"333da235509e658c537fc81b8aaac710fbf51e4e","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2023-09-08T23:59:59+00:00","payload":{"item_codes_triggered":["5.07"],"meeting_date":"2023-09-08","outcome":"passed","proposal_text":"Ratify selection of KPMG LLP as independent registered public accounting firm for fiscal year ending December 31, 2023","proposal_type":"auditor_ratification","results":[{"broker_non_votes":"—","subject":null,"votes_abstain":"1,224,702","votes_against":"213,344","votes_for":"52,739,952","votes_withheld":null}]},"claim":"Dianthus Therapeutics, Inc. /DE/ shareholders approved Ratify selection of KPMG LLP as independent registered public accounting firm for fiscal year ending December 31, 2023 at the 2023-09-08 meeting.","evidence_excerpt":"Proposal No. 5 – To ratify the selection of KPMG LLP as Magenta’s independent registered public accounting firm for the fiscal year ending December 31, 2023, provided that Deloitte & Touche LLP is expected to be appointed for that fiscal year if the merger is completed. This proposal was approved by the requisite vote of the Company’s stockholders.","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001193125-23-231669","anchor_url":"https://secwatch.observer/filing/0001193125-23-231669#claim-333da235509e658c537fc81b8aaac710fbf51e4e","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312523231669/0001193125-23-231669-index.htm"},{"fact_type":"shareholder_vote","fact_key":"e24eb5364a303de84531b24ac1268a824e560390","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2023-09-08T23:59:59+00:00","payload":{"item_codes_triggered":["5.07"],"meeting_date":"2023-09-08","outcome":"passed","proposal_text":"Election of three Class II director nominees","proposal_type":"director_election","results":[{"broker_non_votes":"17,823,255","subject":"Mr. Albers","votes_abstain":null,"votes_against":null,"votes_for":"26,075,496","votes_withheld":"10,279,247"},{"broker_non_votes":"17,823,255","subject":"Anne McGeorge","votes_abstain":null,"votes_against":null,"votes_for":"26,112,478","votes_withheld":"10,242,265"},{"broker_non_votes":"17,823,255","subject":"David T. Scadden, M.D.","votes_abstain":null,"votes_against":null,"votes_for":"25,857,456","votes_withheld":"10,497,287"}]},"claim":"Dianthus Therapeutics, Inc. /DE/ shareholders approved Election of three Class II director nominees at the 2023-09-08 meeting.","evidence_excerpt":"Proposal No. 4 – To elect three Class II director nominees named in the accompanying proxy statement/prospectus to Magenta’s board of directors, to serve until Magenta’s 2026 annual meeting of stockholders and until his or her successor has been duly elected and qualified, or until his or her earlier death, resignation or removal. The Company’s stockholders elected Mr. Albers, Ms. McGeorge and Dr. Scadden.","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001193125-23-231669","anchor_url":"https://secwatch.observer/filing/0001193125-23-231669#claim-e24eb5364a303de84531b24ac1268a824e560390","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312523231669/0001193125-23-231669-index.htm"},{"fact_type":"shareholder_vote","fact_key":"7ba6a1e11ddc7e18da7342fd65035b44fa80eeb0","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2023-09-08T23:59:59+00:00","payload":{"item_codes_triggered":["5.07"],"meeting_date":"2023-09-08","outcome":"failed","proposal_text":"Approve amendment to charter to provide for exculpation of officers","proposal_type":"charter_amendment","results":[{"broker_non_votes":"17,823,255","subject":null,"votes_abstain":"2,980,260","votes_against":"3,396,922","votes_for":"29,977,561","votes_withheld":null}]},"claim":"Dianthus Therapeutics, Inc. /DE/ shareholders rejected Approve amendment to charter to provide for exculpation of officers at the 2023-09-08 meeting.","evidence_excerpt":"Proposal No. 3 – To approve an amendment to Magenta’s charter to provide for the exculpation of officers. This proposal was not approved by the requisite vote of the Company’s stockholders.","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001193125-23-231669","anchor_url":"https://secwatch.observer/filing/0001193125-23-231669#claim-7ba6a1e11ddc7e18da7342fd65035b44fa80eeb0","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312523231669/0001193125-23-231669-index.htm"},{"fact_type":"shareholder_vote","fact_key":"1c05e7792a0739fdfc5e3f18de50626b407c499d","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2023-09-08T23:59:59+00:00","payload":{"item_codes_triggered":["5.07"],"meeting_date":"2023-09-08","outcome":"passed","proposal_text":"Approve amendment to charter to effect a reverse stock split in the range 1:10 to 1:18","proposal_type":"reverse_split","results":[{"broker_non_votes":"0","subject":null,"votes_abstain":"2,866,476","votes_against":"3,890,484","votes_for":"47,421,038","votes_withheld":null}]},"claim":"Dianthus Therapeutics, Inc. /DE/ shareholders approved Approve amendment to charter to effect a reverse stock split in the range 1:10 to 1:18 at the 2023-09-08 meeting.","evidence_excerpt":"Proposal No. 2 – To approve an amendment to the amended and restated certificate of incorporation of Magenta (“Magenta’s charter”) to effect a reverse stock split of Magenta’s issued and outstanding common stock at a ratio in the range between 1:10 to 1:18, inclusive, with the final ratio and effectiveness of such amendment and the abandonment of such amendment to be mutually agreed by the Magenta board of directors and the Dianthus board of directors prior to the effective time or, if the Proposal No. 1 is not approved by Magenta stockholders, determined solely by the Magenta board of directors. This proposal was approved by the requisite vote of the Company’s stockholders.","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001193125-23-231669","anchor_url":"https://secwatch.observer/filing/0001193125-23-231669#claim-1c05e7792a0739fdfc5e3f18de50626b407c499d","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312523231669/0001193125-23-231669-index.htm"},{"fact_type":"shareholder_vote","fact_key":"468b1ef0b22f278aa273503688907b44f3548961","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2023-09-08T23:59:59+00:00","payload":{"item_codes_triggered":["5.07"],"meeting_date":"2023-09-08","outcome":"passed","proposal_text":"Approve issuance of shares and change of control in connection with merger","proposal_type":"merger_approval","results":[{"broker_non_votes":"17,823,255","subject":null,"votes_abstain":"19,042","votes_against":"6,278,556","votes_for":"30,057,145","votes_withheld":null}]},"claim":"Dianthus Therapeutics, Inc. /DE/ shareholders approved Approve issuance of shares and change of control in connection with merger at the 2023-09-08 meeting.","evidence_excerpt":"Proposal No. 1 – To approve (i) the issuance of shares of common stock of Magenta, which will represent more than 20% of the shares of Magenta common stock outstanding immediately prior to the merger, to stockholders of Dianthus, pursuant to the terms of the Merger Agreement, a copy of which is attached as Annex A to the accompanying proxy statement/prospectus, and (ii) the change of control of Magenta resulting from the merger, pursuant to Nasdaq Listing Rules 5635(a) and 5635(b), respectively. This proposal was approved by the requisite vote of the Company’s stockholders.","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001193125-23-231669","anchor_url":"https://secwatch.observer/filing/0001193125-23-231669#claim-468b1ef0b22f278aa273503688907b44f3548961","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312523231669/0001193125-23-231669-index.htm"},{"fact_type":"executive_change","fact_key":"d130f1f926","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2023-05-19T23:59:59+00:00","payload":{"action":"left","action_category":"departure","departure_tone":"abrupt","effective_date":"2023-05-15","interim":false,"role":"Head of Research and Chief Scientific Officer","role_category":"other_named_officer","successor_name":null,"successor_named":false},"claim":"Dr. Lisa Olson departed as Head of Research and Chief Scientific Officer at Dianthus Therapeutics, Inc. /DE/.","evidence_excerpt":"Effective May 15, 2023, Dr. Lisa Olson, Head of Research and Chief Scientific Officer of Magenta Therapeutics, Inc. (the “Company” or “Magenta”), has left the Company due to the completion of the sale of certain of Magenta’s assets and its announced proposed merger with Dianthus Therapeutics, Inc. (“Dianthus”).","confidence":0.95,"filing_url":"https://secwatch.observer/filing/0001193125-23-149353","anchor_url":"https://secwatch.observer/filing/0001193125-23-149353#claim-d130f1f926","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312523149353/0001193125-23-149353-index.htm"},{"fact_type":"material_agreement","fact_key":"dc55c7c82564a107137915e55ea663e499e44ab0","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2023-05-03T23:59:59+00:00","payload":{"action":"entry","agreement_name":"Agreement and Plan of Merger","agreement_type":"merger","counterparty":"Magenta Therapeutics, Inc.","effective_date":"2023-05-02","item_codes_triggered":["1.01"],"value_text":null},"claim":"Dianthus Therapeutics, Inc. /DE/ entered into Agreement and Plan of Merger with Magenta Therapeutics, Inc. (effective 2023-05-02).","evidence_excerpt":"On May 2, 2023, Magenta Therapeutics, Inc., a Delaware corporation (“Magenta”), Dio Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Magenta (“Merger Sub”), and Dianthus Therapeutics, Inc., a Delaware corporation (“Dianthus”), entered into an Agreement and Plan of Merger (the “Merger Agreement”)","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001193125-23-133205","anchor_url":"https://secwatch.observer/filing/0001193125-23-133205#claim-dc55c7c82564a107137915e55ea663e499e44ab0","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312523133205/0001193125-23-133205-index.htm"},{"fact_type":"governance_change","fact_key":"08144dabba304acef620688da82e615209be521b","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2023-03-31T23:59:59+00:00","payload":{"change_type":"charter_amendment","effective_date":"2023-03-31","item_codes_triggered":["5.03"],"summary_text":"The Board approved a Certificate of Designations to create a new series of preferred stock, Series A Junior Participating Cumulative Preferred Stock, in connection with the adoption of a Rights Agreement."},"claim":"Dianthus Therapeutics, Inc. /DE/: The Board approved a Certificate of Designations to create a new series of preferred stock, Series A Junior Participating Cumulative Preferred Stock, in connection with the adoption of a Rights Agreement (effective 2023-03-31).","evidence_excerpt":"In connection with the adoption of the Rights Agreement described in Item 1.01 above, the Board of Directors of the Company approved a Certificate of Designations of Series A Junior Participating Cumulative Preferred Stock (the “Certificate of Designations”). The Certificate of Designations will be filed with the Secretary of State of Delaware on March 31, 2023.","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001193125-23-088185","anchor_url":"https://secwatch.observer/filing/0001193125-23-088185#claim-08144dabba304acef620688da82e615209be521b","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312523088185/0001193125-23-088185-index.htm"},{"fact_type":"restructuring_charge","fact_key":"4a0688ae477d1bb0cfe99d9bfbc3f7743184ddeb","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2023-02-07T23:59:59+00:00","payload":{"affected_area":null,"charge_text":"$5.4 million","effective_date":"2023-02-06","event_type":"restructuring","headcount_text":"up to 56 positions, or approximately 84%","item_codes_triggered":["2.05"]},"claim":"Dianthus Therapeutics, Inc. /DE/ announced a restructuring with charges of $5.4 million (up to 56 positions, or approximately 84%).","evidence_excerpt":"or approximately 84%, to be substantially completed by February 17, 2023. As a result of the Plan, the Company expects to incur estimated severance and related costs of $5.4 million by the end of February 2023. Each departing employee of Magenta has played an integral role in the Company’s mission of improving stem cell transplant to enable access for more","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001193125-23-026931","anchor_url":"https://secwatch.observer/filing/0001193125-23-026931#claim-4a0688ae477d1bb0cfe99d9bfbc3f7743184ddeb","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312523026931/0001193125-23-026931-index.htm"},{"fact_type":"exchange_compliance_notice","fact_key":"e80382663e1e210b73f23cd8a969527a964b2b2c","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2023-02-02T23:59:59+00:00","payload":{"company_response":null,"compliance_status":"deficient","cure_deadline":"2023-07-31","deficiency_type":"minimum_bid_price","delisting_effective_date":null,"exchange":"nasdaq","hearing_date":null,"immediate_listing_effect":null,"minimum_requirement":null,"notice_date":"2023-01-31","notice_type":"deficiency_notice","plan_due_date":null,"raw_rule_text":"Nasdaq Listing Rule 5810(c)(3)(A)","reported_value":null,"rule_numbers":["5810(c)(3)(A)"],"rules_cited_in_text":true},"claim":"Dianthus Therapeutics, Inc. /DE/ received a nasdaq deficiency notice notice regarding minimum bid price (rules 5810(c)(3)(A)).","evidence_excerpt":"January 31, 2023, Magenta Therapeutics, Inc. (the “Company”) received a written notice from the staff (the “Staff”) of the Listing Qualifications Department of The Nasdaq Stock Market (“Nasdaq”), notifying the Company that, for the 30 consecutive business day period between December 15, 2022 through January 30, 2023, the Company’s common stock, $0.001 par value per share (the “Common Stock”), had not maintained a minimum bid price of $1.00 per share, required for continued listing on The Nasdaq Global Market pursuant to Nasdaq Listing Rule 5450(a)(1) (the “Minimum Bid Price Requirement”). The","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001193125-23-022825","anchor_url":"https://secwatch.observer/filing/0001193125-23-022825#claim-e80382663e1e210b73f23cd8a969527a964b2b2c","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312523022825/0001193125-23-022825-index.htm"},{"fact_type":"earnings_release","fact_key":"ad0613bd113f9d9648a4b0381a8a29096b22f07e","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2022-11-03T23:59:59+00:00","payload":{"eps_text":null,"guidance_signal":"none","item_codes_triggered":["2.02"],"net_income_text":null,"period_text":"third quarter ending September 30, 2022","report_date":"2022-11-03","result_type":"reported_results","revenue_text":null},"claim":"Dianthus Therapeutics, Inc. /DE/ reported financial results for third quarter ending September 30, 2022.","evidence_excerpt":"Magenta Therapeutics, Inc. announced its financial results for the quarter ended September 30, 2022. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Current Report on Form 8-K.","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001193125-22-276477","anchor_url":"https://secwatch.observer/filing/0001193125-22-276477#claim-ad0613bd113f9d9648a4b0381a8a29096b22f07e","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312522276477/0001193125-22-276477-index.htm"},{"fact_type":"executive_change","fact_key":"4cfd9d7315","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2022-08-17T23:59:59+00:00","payload":{"action":"appointed","action_category":"appointment","departure_tone":"not_applicable","effective_date":"2022-08-15","interim":false,"role":"Director","role_category":"director","successor_name":null,"successor_named":false},"claim":"Michael Vasconcelles was appointed as Director at Dianthus Therapeutics, Inc. /DE/.","evidence_excerpt":"On August 15, 2022, the Board of Directors (the “Board”) of Magenta Therapeutics, Inc. (the “Company”) unanimously appointed Michael Vasconcelles to the Board.","confidence":1.0,"filing_url":"https://secwatch.observer/filing/0001193125-22-222823","anchor_url":"https://secwatch.observer/filing/0001193125-22-222823#claim-4cfd9d7315","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312522222823/0001193125-22-222823-index.htm"},{"fact_type":"executive_change","fact_key":"e91c48efec","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2021-08-05T23:59:59+00:00","payload":{"action":"appointed","action_category":"role_change","departure_tone":"not_applicable","effective_date":"2021-08-04","interim":false,"role":"Chair of the Board","role_category":"chair","successor_name":null,"successor_named":false},"claim":"Alison F. Lawton was appointed as Chair of the Board at Dianthus Therapeutics, Inc. /DE/.","evidence_excerpt":"Alison F. Lawton, currently a member of the Board, was appointed Chair of the Board","confidence":0.95,"filing_url":"https://secwatch.observer/filing/0001193125-21-237056","anchor_url":"https://secwatch.observer/filing/0001193125-21-237056#claim-e91c48efec","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312521237056/0001193125-21-237056-index.htm"},{"fact_type":"executive_change","fact_key":"2bfd9f5798","cik":1690585,"ticker":"DNTH","company_name":"Dianthus Therapeutics, Inc. /DE/","filed_at":"2021-08-05T23:59:59+00:00","payload":{"action":"resigned","action_category":"departure","departure_tone":"routine","effective_date":"2021-08-03","interim":false,"role":"Director","role_category":"director","successor_name":null,"successor_named":false},"claim":"Michael W. Bonney resigned as Director at Dianthus Therapeutics, Inc. /DE/.","evidence_excerpt":"On August 3, 2021, Michael W. Bonney notified the Company of his intent to resign from the Company’s Board of Directors (the “Board”) and its committees effective August 3, 2021, to focus on his newly expanded role as Executive Chair of Alnylam Pharmaceuticals, Inc.","confidence":0.95,"filing_url":"https://secwatch.observer/filing/0001193125-21-237056","anchor_url":"https://secwatch.observer/filing/0001193125-21-237056#claim-2bfd9f5798","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1690585/000119312521237056/0001193125-21-237056-index.htm"}]}