Ambiq Micro, Inc. · NYSE:AMBQ
Ambiq Micro — Q4 2025 Earnings Presentation
25 slides from Ambiq Micro's earnings presentation, Mar 5, 2026
Slide 1: Fourth Quarter and Full Year 2025 Conference Call
Fourth Quarter and Full Year 2025 Conference Call March 5, 2026 © 2026 ambiq | all rights reserved
Slide 2: Legal Disclaimer
Legal Disclaimer Forward-Looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements may be identified by the use of words such as “futu
Slide 3: Today's Agenda
Charlene Wan Vice President of Corporate Welcome Marketing & Investor Relations Fumihide Esaka Today’s Chief Executive Officer Business Update Agenda Jeffrey Winzeler Chief Financial Officer Results and Outlook 3 © 2026 ambiq © 2026 | all|rights ambiq reserved all rights reserved
Slide 4: Business Update
Business Update © 2026 ambiq | all rights reserved
Slide 5: Executive Summary
Executive Summary Strong 2025 net sales growth on accelerated edge AI adoption Platform leadership driving expanded customer usage Increasing design funnel diversity across end markets Advancing product roadmap to power edge AI innovation Strong business momentum and positioned for future growth 5 ©
Slide 6: Fourth Quarter Highlights
Fourth Quarter Highlights $20.7M Net sales exceeded guidance Net Sales • Stronger-than-expected end user demand • Expedited orders accelerated late-quarter demand Sequential net sales growth 45.5% Non-GAAP Gross Margin1 • Continued demand for customers’ products • Customers extending product use acr
Slide 7: 2025 Highlights
2025 Highlights Grew net sales and non-GAAP gross profit1 sequentially in every quarter of the year Non-GAAP gross profit1 +36.3% year-over-year and delivered highest ever annual gross profit Secured new customers across end markets Including large wearables customer Increased diversity of design fu
Slide 8: Secular Tailwinds Powering Our Growth
Secular Tailwinds Powering Our Growth Customers increasingly incorporating sophisticated edge AI capabilities to drive differentiation and end-customer demand Smart Rings Smart Watches Smart Bands Smart Eyewear ▪ Customers expected to introduce next-generation models in 2026 with more advanced featu
Slide 9: Strong and Diverse Edge AI Pipeline
Strong and Diverse Edge AI Pipeline Ear Protection Worker Safety Smart Grid Sensors Case Study: RONDS • Leading intelligent industrial equipment solutions provider through its Novaseer brand Continuous Glucose Monitors Moisture Sensors Hearing Aids • Using SPOT to enable large-scale use of always-on
Slide 10: Unlocking Access to New Markets and Edge AI Use Cases
Unlocking Access to New Markets and Edge AI Use Cases more radio protocols extended temp lower prices smaller form factors APOLLO510 APOLLO510 LITE APOLLO330 Personal Devices Industrial Edge Smart Home & Buildings Medical & Healthcare New Software Tools and AI Models 10 © 2026 ambiq | all rights res
Slide 11: Unlocking Access to New Markets and Edge AI Use Cases
Unlocking Access to New Markets and Edge AI Use Cases more radio protocols extended temp lower prices smaller form factors mass market AI derivatives APOLLO510 APOLLO510 LITE APOLLO330 APOLLO340 Personal Devices Industrial Edge Smart Home & Buildings Medical & Healthcare New Software Tools and AI Mo
Slide 12: Unlocking Access to New Markets and Edge AI Use Cases
Unlocking Access to New Markets and Edge AI Use Cases more radio protocols extended temp lower prices smaller form factors mass market AI derivatives npu vision APOLLO510 APOLLO510 LITE APOLLO330 APOLLO340 ATOMIQ Personal Devices Industrial Edge Smart Home & Buildings Medical & Healthcare New Softwa
Slide 13: Results & Outlook
Results & Outlook © 2026 ambiq | all rights reserved
Slide 14: 2025 Quarterly Financial Results
2025 Quarterly Financial Results Net Sales Non-GAAP Gross Profit1 Non-GAAP Gross Margin1 (dollars in millions) (dollars in millions) $20.74 $9.44 $18.17 47.1% 45.5% $17.87 $8.14 42.7% 44.8% $7.41 $7.64 $15.73 1Q25 2Q25 3Q25 4Q25 1Q25 2Q25 3Q25 4Q25 1Q25 2Q25 3Q25 4Q25 Ambiq delivered record full-yea
Slide 15: Fourth Quarter Key Takeaways
Fourth Quarter Key Takeaways 4Q25 3Q25 ❑ Marked the highest net sales quarter of FY25 and exceeded guidance Net Sales $20.7M $18.2M +2.0% y/y -10.4% y/y ❑ Results reflect strategic repositioning, with 8.6% of net sales from mainland China, down from 50.0% in 4Q24 Non-GAAP Gross Profit1 $9.4M $8.1M +
Slide 16: Strong Balance Sheet
Strong Balance Sheet As of 12/31/25 Enhanced Product Sales and Innovation Marketing Total Assets $184.7 Million Total Liabilities $22.2 Million No Outstanding Debt Follow-on proceeds to accelerate Atomiq and Apollo family development to capture a rapidly expanding market opportunity 16 © 2026 ambiq
Slide 17: Financial Outlook
Financial Outlook1 1Q26 Drivers 1Q 2026 Outlook ▪ Strong underlying demand, ongoing customer launches and Apollo5 adoption ▪ Ramping of Apollo5, with improved yield as it scales Net Sales $21.0M - $22.0M through the year ▪ Increased investment to support strategic growth priorities ▪ Weighted averag
Slide 18: Well Positioned for Future Growth
Well Positioned for Future Growth Demonstrated strong execution with sequential net sales and non-GAAP gross profit growth in 2025 Accelerating demand for edge AI supports top-line momentum Continuing to expand into key end markets through Apollo and software innovation Enabling heavier edge AI capa
Slide 19: Appendix: Non-GAAP Reconciliations
Appendix: Non-GAAP Reconciliations © 2026 ambiq | all rights reserved
Slide 20: Non-GAAP Financial Measures
Non-GAAP Financial Measures Three Months ended Three Months ended December 31, Year ended December 31, September 30, ($ in thousands) 2025 2024 2025 2024 2025 Net loss attributable to common $ (10,679) $ (10,191) $ (36,461) $ (42,385) $ (9,002) stockholders Add: Income taxes 19 3 40 28 3 Depreciatio
Slide 21: Non-GAAP Financial Measures
Non-GAAP Financial Measures Three Months Three Months Three Months Three Months ended December 31, Year ended December 31, ended ended ended September March 31, June 30, 30, ($ in thousands) 2025 2024 2025 2024 2025 Gross profit $ 8,859 $ 5,048 $ 32,095 $ 24,291 $ 8,389 $ 7,170 $ 7,677 Add: Deprecia
Slide 22: Non-GAAP Financial Measures
Non-GAAP Financial Measures Three Months ended Three Months ended December 31, Year ended December 31, September 30, ($ in thousands) 2025 2024 2025 2024 2025 Operating expenses $ 20,821 $ 15,419 $ 71,638 $ 64,904 $ 17,720 Less: Depreciation and amortization 1,173 1,443 5,309 5,351 1,315 Stock-based
Slide 23: Non-GAAP Financial Measures
Non-GAAP Financial Measures Three Months ended ($ in thousands) Three Months ended December 31, Year ended December 31, September 30, Research and development 2025 2024 2025 2024 2025 Operating expenses $ 12,012 $ 8,773 $ 38,486 $ 37,168 $ 8,889 Less: Depreciation and amortization 1,136 1,410 5,061
Slide 24: Non-GAAP Financial Measures
Non-GAAP Financial Measures Three Months ended ($ in thousands) Three Months ended December 31, Year ended December 31, September 30, Selling, general, and administrative 2025 2024 2025 2024 2025 Operating expenses $ 8,809 $ 6,646 $ 33,152 $ 27,736 $ 8,831 Less: Depreciation and amortization 37 33 2
Slide 25: Ambiq: Enabling AI Everywhere with SPOT
Ambiq: Enabling AI Everywhere with SPOT 25 © 2026 ambiq | all rights reserved