Financial Performance - For the three months ended March 31, 2025, net revenue was 13.1million,comparedto13.0 million for the same period in 2024, reflecting a slight increase in revenue [187]. - For Q1 2025, Mustang reported a net revenue of 13.1million,a113.0 million in Q1 2024, including 2.0millionfromtheU.S.launchofEmrosi[206][207].−ThenetlossattributabletoFortressdecreasedby3110.6 million in Q1 2025 from 15.4millioninQ12024[206].−Totalotherincome(expense)decreasedby0.1 million, or 3%, from an expense of 2.5millionforthequarterendedMarch31,2024,toanexpenseof2.4 million for the quarter ended March 31, 2025 [219]. - Net cash used in operating activities decreased by 5.8millionfrom25.4 million for the three months ended March 31, 2024, to 19.6millionforthesameperiodin2025[238].−Netcashprovidedbyfinancingactivitieswas27.9 million for the three months ended March 31, 2024, compared to 52.1millionforthesameperiodin2025,anincreaseof24.3 million [241]. Research and Development - CAEL-101 is currently undergoing two global Phase 3 pivotal studies for AL amyloidosis, with topline data expected in the second half of 2025 [195]. - The FDA accepted the NDA for CUTX-101 (copper histidinate for Menkes disease) for priority review, with a target action date of September 30, 2025 [195]. - Triplex, a cytomegalovirus vaccine, is currently in a Phase 2 clinical trial with topline data anticipated in the third quarter of 2025 [190]. - The company is exploring a trial for MB-109 to treat patients with IL13Rα2+ recurrent GBM, potentially starting in Q1 2026 [195]. - Mustang is planning a proof-of-concept Phase 1 clinical trial for MB-106 in autoimmune diseases, potentially starting in Q1 2026 [203]. - Research and development expenses dropped by 84% to 3.9millioninQ12025,downfrom24.8 million in Q1 2024, largely due to workforce reductions and the closure of the MB-106 clinical trial [212]. Expenses and Cost Management - Operating expenses decreased by 29% to 35.5millioninQ12025from49.6 million in Q1 2024, primarily due to an 84% reduction in research and development expenses [206]. - Selling, general and administrative expenses increased by 43% to 25.7millioninQ12025,drivenbya4.9 million increase at Checkpoint and a 2.1millionincreaseatJourney[215].−Costofgoodssolddecreasedby204.8 million in Q1 2025 from 6.0millioninQ12024,attributedtoachangeinproductsalesmix[208].−Amortizationofacquiredintangibleassetsroseby311.1 million in Q1 2025, influenced by the addition of the Emrosi asset [209]. Corporate Actions and Agreements - Checkpoint Therapeutics, Inc. entered into an agreement to be acquired by Sun Pharmaceutical Industries, Inc. for 4.10pershareincash,withacontingentvaluerightofupto0.70 per share upon achieving EU approval [190]. - Fortress has established partnerships with leading institutions and companies, including AstraZeneca and Dr. Reddy's Laboratories, to enhance product development [183]. - Mustang executed a 1-for-50 reverse stock split in January 2025 to comply with Nasdaq listing requirements [203]. - Mustang exited its manufacturing facility lease in Worcester, Massachusetts, selling assets to AbbVie for 1.0millioninFebruary2025[203].CashandSecurities−AsofMarch31,2025,thecompanyhadcashandcashequivalentsof91.3 million, with 19.5millionrelatedtoFortressandprivatesubsidiaries,33.0 million to Checkpoint, 14.2milliontoMustang,21.1 million to Journey, and 3.5milliontoAvenue[222].−Thecompanyreportedanaccumulateddeficitof751.5 million as of March 31, 2025, primarily due to R&D expenses and administrative costs [221]. - Net cash provided by investing activities increased by 1.2million,attributedtoMustang′sproceedsfromthesaleofheld−for−saleassets[240].−Thecompanyissuedandsoldapproximately0.5millionsharesatanaveragepriceof1.94 per share for gross proceeds of approximately 1.0millionunderitsat−the−marketofferingprogramduringthethreemonthsendedMarch31,2025[226].−Journeyissuedandsoldapproximately0.8millionsharesofcommonstockforgrossproceedsof4.1 million under its at-the-market offering agreement during the same period [229]. - As of March 31, 2025, approximately 65.7millionofsecuritiesremainavailableforsalethroughCheckpoint′sregistrationstatement[230].−MustangclosedonanequityofferinginFebruary2025,raisingapproximately6.8 million in net proceeds after deducting fees and expenses [234]. Regulatory and Compliance - Fortress is classified as a "smaller reporting company," with market value criteria affecting its reporting obligations [202]. - The company is classified as a "smaller reporting company" and is not required to provide certain market risk disclosures [244]. - There were no material changes in contractual obligations and commitments during the three months ended March 31, 2025 [243].