Financial Performance - The company reported net losses of $56.0 million and $55.1 million for the nine months ended September 30, 2025 and 2024, respectively, with an accumulated deficit of $951.5 million as of September 30, 2025[191]. - Collaboration revenue for the three months ended September 30, 2025, was $11.0 million, a decrease of $1.6 million from $12.6 million in the same period of 2024[215]. - For the nine months ended September 30, 2025, collaboration revenue decreased to $16.8 million from $24.1 million in 2024, a decline of $7.3 million[221]. - Total other income, net decreased by $3.1 million, from $3.9 million during the nine months ended September 30, 2024 to $0.7 million during the nine months ended September 30, 2025[224]. Cash Position - Cash and cash equivalents stood at $56.4 million as of September 30, 2025, which is expected to fund operations into mid-2026[191]. - As of September 30, 2025, cash and cash equivalents were $56.4 million, with expectations to fund current operating plan commitments into mid-2026[225][235]. - Net cash used in operating activities was $55.1 million during the nine months ended September 30, 2025, compared to $63.1 million during the same period in 2024[231]. - Net cash provided by investing activities was $27.8 million during the nine months ended September 30, 2025, compared to net cash used of $38.6 million during the same period in 2024[232]. - Net cash used in financing activities was $24.0 million during the nine months ended September 30, 2025, compared to net cash provided of $6.0 million during the same period in 2024[233]. - The company expects cash expenditures to increase as it continues development and manufacturing of product candidates, particularly Emi-Le and XMT-2056[234]. Revenue Sources - The company has not generated any revenue from product sales, relying solely on strategic collaborations for revenue[193]. - Collaboration revenue from the 2022 Merck KGaA Agreement was $1.8 million and $2.4 million for the three and nine months ended September 30, 2025, respectively, compared to $3.4 million and $6.6 million for the same periods in 2024[195]. - Collaboration revenue from the GSK Agreement was $8.6 million and $9.6 million for the three and nine months ended September 30, 2025, respectively, compared to $0.5 million and $0.6 million for the same periods in 2024[196]. - The company recognized $0.6 million and $8.8 million of collaboration revenue for the three months ended September 30, 2025, and 2024, respectively, under the Johnson & Johnson Agreements[197]. - The company has potential milestone payments under ongoing collaboration agreements with GSK, Johnson & Johnson, and Merck KGaA, contingent on successful research and development activities[239]. Clinical Development - The company is conducting a Phase 1 clinical trial for Emi-Le, with positive initial clinical data reported as of December 13, 2024, and further interim data presented in mid-2025[181]. - The company is also investigating XMT-2056 in a Phase 1 clinical trial, which resumed in the first half of 2024 after a FDA clinical hold was resolved[186]. - The company expects significant research and development expenses over the next several years as it continues clinical development and manufacturing of Emi-Le and XMT-2056[208]. Expenses and Restructuring - Research and development expenses for the three months ended September 30, 2025, were $12.2 million, down from $14.8 million in 2024, a decrease of $2.6 million[216]. - General and administrative expenses decreased to $6.3 million for the three months ended September 30, 2025, from $9.9 million in 2024, a reduction of $3.6 million[218]. - Total operating expenses for the three months ended September 30, 2025, were $18.7 million, down from $24.7 million in 2024, a decrease of $6.0 million[214]. - The company incurred restructuring expenses of $0.2 million and $4.1 million for the three and nine months ended September 30, 2025, respectively[212]. - Research and development expense decreased by $4.0 million, from $50.7 million for the nine months ended September 30, 2024 to $46.7 million for the nine months ended September 30, 2025[222]. - General and administrative expense decreased by $9.3 million, from $31.9 million during the nine months ended September 30, 2024 to $22.6 million during the nine months ended September 30, 2025[223]. - A strategic restructuring plan was implemented in May 2025, resulting in a reduction of approximately 55% of the employee base[187]. Mergers and Acquisitions - The company has entered into a merger agreement with Day One Biopharmaceuticals, Inc., with a cash offer of $25.00 per share plus contingent value rights potentially worth up to $30.25 per share[178]. - The merger is expected to close by the end of January 2026, subject to customary closing conditions[179]. Going Concern - There is substantial doubt about the company's ability to continue as a going concern if the acquisition by Parent is not consummated, necessitating additional funding[235].
Mersana Therapeutics(MRSN) - 2025 Q3 - Quarterly Report