Financial Data and Key Metrics Changes - Revenue net of returns for Q3 2025 totaled $146,000, an increase from $126,000 in Q3 2024, while for the nine-month period, it decreased to $302,000 from $600,000 in 2024 [12][13] - Cost of sales increased to $291,000 from $82,000 in the year-ago quarter, primarily due to a $230,000 inventory reserve recorded in Q3 2025 [13] - Gross margins, excluding the inventory reserve, were 42% for Q3 2025 compared to 35% for Q3 2024 [13] - Net loss for Q3 2025 was $2.6 million, compared to $1.4 million for Q3 2024, while the nine-month net loss was $6 million compared to $4.2 million in 2024 [14][15] - Cash and cash equivalents at September 30, 2025, totaled $3.5 million, up from $2 million at December 31, 2024 [15] Business Line Data and Key Metrics Changes - The company is transitioning from the consumer device market to biopharmaceuticals, with a focus on Entolimod and related assets [3][11] - The company recorded reserves for excess and obsolete inventory of $230,000 as part of its exit from the consumer device market [11] - The company has discontinued significant resources toward ClearUP sales, reflecting its strategic shift [12] Market Data and Key Metrics Changes - The company is focusing on building relationships with U.S. and allied governments for Entolimod as a military countermeasure [5][6] - Discussions with BARDA are anticipated to explore stockpiling opportunities for Entolimod [5] Company Strategy and Development Direction - The company has undergone a significant strategic transformation, expanding from bioelectronics to biologic pharmaceuticals with a focus on the immune system [3][4] - The primary commercial opportunity for Entolimod is as a countermeasure for acute radiation syndrome, with plans to advance clinical programs in neutropenia and lymphocyte exhaustion [6][7] - The company is also exploring alternative commercial opportunities for its non-invasive vagus nerve stimulation (VNS) program [10] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the progress of the transformation and the potential of Entolimod to deliver clinical benefits across multiple organ systems [7][16] - The company aims to advance value creation activities for shareholders while bringing life-saving treatments to patients [17] Other Important Information - The company has completed the transfer of two INDs for Entolimod, enabling further clinical development [6][16] - A new corporate website has been launched to emphasize the transformed mission and expanded clinical pipeline [12] Q&A Session Summary - No specific Q&A session content was provided in the transcript, thus this section is not applicable.

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Log Off OR ☐ Transmission Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from ______ to ______ Commission file number: 001-41052 Washington, DC 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended September 30, 2025 Tivic Health Systems, Inc. (Exact name of registrant as specified in its charter) Delawa ...

Exhibit 99.1 Tivic Reports Third Quarter 2025 Financial Results Continues Execution of Strategic Transformation and Advancement of Biologics Pipeline FREMONT, Calif. – November 14, 2025 – Tivic Health® Systems, Inc. (Nasdaq: TIVC), a diversified immunotherapeutics company, today announced financial results for the third quarter and nine months ended September 30, 2025 and provided a business update. "Following our discussions at the Military Health System Research Symposium and continued engagement with key ...

Continues Execution of Strategic Transformation and Advancement of Biologics Pipeline FREMONT, CA / ACCESS Newswire / November 14, 2025 / Tivic Health® Systems, Inc. (Nasdaq:TIVC), a diversified immunotherapeutics company, today announced financial results for the third quarter and nine months ended September 30, 2025 and provided a business update. "Following our discussions at the Military Health System Research Symposium and continued engagement with key government agencies, we are encouraged by the inte ...

Core Insights - Tivic Health Systems, Inc. has optimized key device and treatment parameters for ncVNS, enhancing its effectiveness through personalization [1] Company Developments - The company collaborated with The Feinstein Institutes for Medical Research at Northwell Health to conduct a study on ncVNS treatment [1] - Key parameters optimized include frequency, amplitude, electrode positioning, and duration of stimulation [1] Study Findings - Personalizing the frequency of ncVNS stimulation led to a 46% increase in heart rate variability, which was 8.9 times more effective than using a uniform frequency across all subjects [1] - The optimal ncVNS frequency varied between subjects and visits, highlighting the need for personalized stimulation parameters before each treatment [1] - Certain electrode placements and configurations were found to significantly impact heart rate variability, with some placements increasing it while others decreased it [1] - A duration of four minutes of ncVNS stimulation was sufficient to achieve a substantial increase in heart rate variability, proving more effective than twenty minutes of stimulation [1]

Core Viewpoint - Tivic Health Systems, Inc. will report its third quarter financial results for 2025 on November 14, 2025, via a pre-recorded conference call and webcast [1]. Company Overview - Tivic Health is a diversified immunotherapeutics company that utilizes both biopharmaceutical and bioelectronic systems to address unmet medical needs by targeting the immune system [2][3]. - The company's lead drug candidate, Entolimod™, is a novel TLR5 agonist aimed at treating acute radiation syndrome and has received Fast Track and Orphan Drug designations, currently in late-stage development [3]. Product Development - Tivic's biologics compounds are designed to activate an innate immune pathway to prevent cell death in bone marrow and epithelial tissues affected by radiation and aging [3]. - The bioelectronic program is focused on developing a non-invasive medical device targeting neural pathways associated with various prevalent diseases, showing promising early trial results [4]. Upcoming Events - CEO Jennifer Ernst will participate in the 8th Annual Northwell Health Innovation Constellation Forum on October 23, discussing advancements in bioelectronic medicine [8]. - Jennifer Ernst will also present at the Emerging Growth virtual conference on September 25, 2025, detailing the company's strategic transformation [9]. Manufacturing Progress - Tivic has completed the verification of its Entolimod™ cell line, marking the first step towards establishing Current Good Manufacturing Practices (CGMP) in preparation for a Biologics License Application (BLA) [10][11].

Core Insights - Tivic Health Systems, Inc. is participating in the eighth annual Northwell Health Innovation Constellation Forum, focusing on bioelectronic medicine and its potential to transform healthcare delivery [1][4] - CEO Jennifer Ernst will join a panel to discuss collaboration across the healthcare ecosystem to drive the adoption of bioelectronic medicine [2][3] Company Overview - Tivic Health is a diversified immunotherapeutics company utilizing both biopharmaceutical and bioelectronic systems to address unmet medical needs by targeting the immune system [5] - The company's lead drug candidate, Entolimod™, is in late-stage development for acute radiation syndrome and has received Fast Track and Orphan Drug designations [6] Industry Context - Bioelectronic medicine is positioned as a transformative frontier that integrates science, technology, and patient care, with the potential to disrupt traditional disease management [2][4] - The upcoming program at the Constellation Forum will highlight breakthroughs, commercialization strategies, and challenges in scaling bioelectronic medicine into everyday healthcare [4]

Tivic Health Systems Conference Summary Company Overview - **Company**: Tivic Health Systems (NasdaqCM:TIVC) - **Focus**: Development of non-invasive medical devices targeting neural pathways and a strong late-stage pipeline in biopharmaceuticals, particularly in immunomodulation and cancer therapeutics [1][2] Key Points Transformation and Pipeline Development - Tivic Health has undergone a significant transformation by acquiring newly licensed assets, leading to a robust late-stage portfolio in biopharmaceuticals [2] - The company maintains a clean capital structure with no debt and anticipates significant value inflection points in the near future [2] Biopharmaceutical Focus - The company is focusing on immunomodulation, utilizing the immune system to combat diseases and improve health outcomes [3] - A biologic licensing agreement was established, including a phase three recombinant protein funded by BARDA for radiation countermeasures, with potential applications in cancer [3][4] Entolimod and Market Opportunities - **Entolimod**: A TLR5 agonist with dual capabilities to treat acute radiation syndrome and cancer-related conditions, showing a 300% increase in survival rates with a single dose [9][23] - The market for GCSF drugs, which Entolimod aims to compete against, is valued at approximately $7.2 billion in 2023, with a broader neutropenia market of around $20 billion [9][31] - Entolimod is positioned as a military countermeasure for nuclear disasters, with a potential market opportunity of $5.2 billion for stockpiling [9][10] Clinical and Regulatory Progress - The company has made significant strides in customer engagement and manufacturing agreements, moving towards a Biologics License Application (BLA) filing [5][10] - The FDA has granted fast track and orphan drug designations for Entolimod, facilitating expedited regulatory processes [11] Future Directions and Strategic Focus - The company plans to focus on Entolimod over the next 6 to 18 months while also exploring other high-potential areas, including cancer therapeutics and vagus nerve stimulation technologies [17][35] - By 2026, Tivic Health aims to have GMP materials ready, FDA meetings completed, and customer interest solidified [34] Additional Insights - The company operates with a capital-light model and has a strong team with extensive experience in drug launches and biopharmaceutical development [16][25] - There is potential for partnerships with larger organizations to scale production and market reach effectively [29] - The vagus nerve technology remains a promising area for future development, with established research backing its efficacy [13][12] Conclusion Tivic Health Systems is positioned for growth with its innovative biopharmaceutical pipeline, particularly through Entolimod, which addresses significant market needs in radiation countermeasures and cancer therapeutics. The company's strategic focus on regulatory pathways and partnerships will be crucial for its success in the coming years.

Financial Data and Key Metrics Changes - Revenue net of returns totaled $86,000 for Q2 2025 compared to $140,000 in Q2 2024, and $156,000 for the first half of 2025 compared to $474,000 for the first half of 2024, reflecting a significant decline due to decreased unit sales of ClearUp [16][17] - Cost of sales decreased to $32,000 from $110,000 in the year-ago quarter, and gross margins increased to 63% for Q2 2025 compared to 21% a year ago, driven by reductions in product support and fulfillment costs [17][18] - Net loss was $1,900,000 for Q2 2025 compared with $1,300,000 for Q2 2024, and $3,400,000 for the first half of 2025 compared with $2,700,000 for the first half of 2024 [18][19] Business Line Data and Key Metrics Changes - The decline in revenue was primarily due to reduced unit sales of ClearUp, as the company intentionally decreased marketing expenditures to focus on advancing its TLR5 program [17] - Operating expenses increased to $2,000,000 for Q2 2025 compared with $1,300,000 for Q2 2024, mainly due to increased research and development investments in the biologics program [18] Market Data and Key Metrics Changes - The market for neutropenia drugs is projected to be between $19 billion to $24 billion over the next few years, with entolimod potentially addressing a significant portion of this market [10] Company Strategy and Development Direction - The company is transitioning towards the biopharmaceutical market and away from the consumer device market, planning to exit the consumer health tech business by year-end [14] - The exclusive licensing of Sotero Biopharma's TLR5 portfolio is expected to provide a late-stage, highly derisked drug candidate, with significant sales potential from government contracts for acute radiation syndrome (ARS) treatments [4][5] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the potential of entolimod and its derivatives to treat radiation and chemotherapy side effects, emphasizing the importance of their strategic pipeline [11][12] - The company is focused on advancing its clinical and commercial opportunities, with key milestones including the transfer of existing INDs and validation of GMP materials [22][23] Other Important Information - The company raised gross proceeds of $900,000 through equity financing, which will support progress towards GMP manufacturing validation for entolimod [19] - Management highlighted the importance of talent acquisition to support clinical work and government relations, indicating a strategic alignment with their new focus [21] Q&A Session Summary - No specific questions and answers were provided in the content, thus this section is not applicable.

Financial Performance - Revenue net of returns was $86,000 for the quarter, down from $140,000 in the prior year, and $156,000 for the first half of 2025 compared to $474,000 for 2024, attributed to decreased unit sales of ClearUp due to reduced marketing expenditures [24][25] - Gross margin increased to 63% for the second quarter, up from 21% a year ago, and 67% from 42% for the first half of 2025 compared to 2024, driven by reduced product support and fulfillment costs [25][26] - Operating expenses rose to $2.0 million for the second quarter from $1.3 million in the prior year, primarily due to increased research and biologics investment, while net loss was $1.9 million compared to $1.3 million in the prior year [3][26] Strategic Shift - The company plans to exit the consumer health technology business and focus exclusively on prescription-based therapeutics, citing underperformance in ClearUp sales [5][22] - An exclusive license was obtained for Sotero Biopharma's TLR5 agonist portfolio, including entolimod, which is seen as a potential growth engine with significant U.S. government contract opportunities for Acute Radiation Syndrome (ARS) [5][8] - Management is pursuing regulatory progress for entolimod, which has received fast track designation and orphan drug status, with a type B FDA meeting planned to advance a Biologic License Application (BLA) filing [5][15] Clinical Development and Manufacturing - GMP manufacturing validation for entolimod has been initiated with Scorpius Biomanufacturing, moving towards key biologics license application steps [6][16] - The company completed all study visits in an optimization study for the noninvasive cervical vagus nerve stimulation (NCVNS) device, with results expected later this year [6][21] - The potential market for neutropenia drugs is estimated between $19 billion to $24 billion, with entolimod positioned to address this market by preventing cell death during radiation treatment [17][18] Leadership and Talent Acquisition - Lisa Wolf has been confirmed as CFO, with key hires from Statera to support regulatory, clinical, and business development efforts [7][28] - The company has made significant adjustments to its staff to align with the new strategic focus, including the transition of the chief scientific officer to a consultancy role [7][28] Future Outlook - The company anticipates completing the transfer of existing INDs from Statera, cell line verification, and the first batch of GMP materials, along with reporting on the VNS trial results [30] - Management emphasizes the importance of the entolimod opportunity, with a single contract for ARS potentially totaling several hundred million dollars [9][13]