Core Insights - Tandem Diabetes Care, Inc. (TNDM) reported a revenue of $290.38 million for the quarter ended December 2025, reflecting a 15% increase year-over-year and a 5.21% surprise over the Zacks Consensus Estimate of $276 million. The EPS was -$0.01, significantly improved from -$0.44 in the same quarter last year, resulting in an EPS surprise of +80.51% [1] Financial Performance - The company’s pump shipments totaled 38,000, exceeding the average estimate of 35,032 by two analysts. In the U.S., pump shipments were 27,000, surpassing the average estimate of 25,632 [4] - Geographic sales in the U.S. reached $210.46 million, above the five-analyst average estimate of $203.09 million, but showed a year-over-year decline of -1.9%. Sales outside the U.S. were $79.92 million, significantly higher than the average estimate of $72.94 million, but represented a drastic year-over-year change of -99.9% [4] - Sales of pumps in the U.S. amounted to $111.49 million, exceeding the average estimate of $108.34 million, with a year-over-year increase of +13.3%. Sales outside the U.S. were $28.58 million, also above the average estimate of $26.16 million, reflecting a +10.9% year-over-year change [4] - Revenue from supplies and other in the U.S. was $98.98 million, surpassing the average estimate of $94.74 million, with a year-over-year increase of +15.2%. Outside the U.S., revenue was $51.34 million, exceeding the average estimate of $46.8 million, showing a +21.3% year-over-year change [4] Stock Performance - Shares of Tandem Diabetes Care have returned -8.7% over the past month, compared to a -0.8% change in the Zacks S&P 500 composite. The stock currently holds a Zacks Rank 3 (Hold), indicating potential performance in line with the broader market in the near term [3]

Core Viewpoint - Tandem Diabetes Care, Inc. reported a quarterly loss of $0.01 per share, outperforming the Zacks Consensus Estimate of a loss of $0.05, marking an earnings surprise of +80.51% compared to a loss of $0.44 per share a year ago [1][2] Financial Performance - The company posted revenues of $290.38 million for the quarter ended December 2025, exceeding the Zacks Consensus Estimate by 5.21% and showing an increase from $252.45 million in the same quarter last year [2] - Over the last four quarters, Tandem Diabetes Care has surpassed consensus revenue estimates four times [2] Stock Performance - Shares of Tandem Diabetes Care have declined approximately 13.8% since the beginning of the year, while the S&P 500 has gained 0.5% [3] - The current Zacks Rank for the stock is 3 (Hold), indicating expected performance in line with the market in the near future [6] Earnings Outlook - The current consensus EPS estimate for the upcoming quarter is -$0.45 on revenues of $249.96 million, and for the current fiscal year, it is -$0.99 on revenues of $1.1 billion [7] - The trend of earnings estimate revisions is mixed ahead of the earnings release, which could influence future stock performance [6] Industry Context - The Medical - Instruments industry, to which Tandem Diabetes Care belongs, is currently ranked in the top 32% of over 250 Zacks industries, suggesting a favorable outlook compared to lower-ranked industries [8]

Tandem Diabetes Care (NasdaqGM:TNDM) Q4 2025 Earnings call February 19, 2026 04:30 PM ET Company ParticipantsJoanne Wuensch - Managing DirectorJohn Sheridan - President and CEOJon Block - Managing DirectorLeigh Vosseller - EVP and CFOMathew Blackman - Managing DirectorMatt Taylor - Managing DirectorMike Kratky - Senior Managing Director of Medical Devices and Technology Equity ResearchShaymus Contorno - Equity Research AssociateSusan Morrison - EVP and Chief Administrative OfficerTravis Steed - Managing Dir ...

Financial Data and Key Metrics Changes - In 2025, Tandem achieved over $1 billion in worldwide sales, marking a 12% growth year-over-year, with U.S. sales increasing by 10% to $707 million and international sales growing by 15% to $308 million [17][19] - Q4 2025 saw record worldwide sales of $290 million, representing a 15% year-over-year growth, with U.S. Q4 sales increasing by 14% to $210 million [17][18] - Gross margin expanded by 3 percentage points to 54% for the full year, with the highest quarterly margin ever recorded at 58% [19][20] - Adjusted EBITDA was 11% of sales in Q4, a 10 percentage point improvement over the prior year, and the company reported its first positive operating margin since 2021 at 3% of sales in Q4 [20] Business Line Data and Key Metrics Changes - The U.S. saw more than 27,000 pump shipments in Q4, with renewals from loyal customers making up over half of the shipments [18] - Internationally, Q4 sales grew 17% year-over-year, delivering $80 million in sales and 11,000 pump shipments [19] Market Data and Key Metrics Changes - The company began direct commercial operations in the U.K., Switzerland, and Austria, with expectations for strong performance in these markets [9][27] - Direct sales represented approximately 5% of total international sales in 2025, expected to increase to about 15% in 2026 [28] Company Strategy and Development Direction - Tandem's strategy focuses on modernizing commercial operations, delivering new technology, and reshaping the business model to drive sustainable growth and profitability [8][13] - The company plans to accelerate pharmacy coverage for its products, transitioning to a pay-as-you-go reimbursement model to enhance customer access and reduce out-of-pocket costs [15][22] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in achieving long-term objectives of accelerated sales growth, with a gross margin target of at least 65% and an operating margin of 25% [21] - The transition to a pay-as-you-go model is expected to moderate 2026 sales growth but is seen as a key driver for long-term value creation [23][30] Other Important Information - The company plans to launch multiple new products in 2026, including Mobi Tubeless, which is expected to redefine pump wearability [11][12] - The anticipated revenue for 2026 is projected to be in the range of $730 million to $745 million, incorporating pricing headwinds due to the new business model [26] Q&A Session Summary Question: Can you provide context on the expected growth rates for U.S. and international shipments? - Management indicated that overall revenue growth for the year is expected to be in the range of 10%-11%, with double-digit growth in shipments and a return to growth in new shipments [35] Question: What is the current status of pharmacy coverage and contracting? - Management confirmed contracts with major PBMs covering about 80% of lives, with formulary access currently at roughly one-third of lives covered [40] Question: Why is now the right time to implement the pay-as-you-go model? - Management noted that experience gained in Q4 and positive discussions with payers made this the right time for the transition [44] Question: How will the transition to direct sales impact revenue growth? - Management explained that while there are near-term headwinds, the transition is expected to create long-term benefits and improve market access [49] Question: What are the key levers for margin expansion moving forward? - Management highlighted pricing strategies and product cost reduction initiatives as significant levers for improving margins [56]

Financial Data and Key Metrics Changes - In 2025, Tandem Diabetes Care achieved over $1 billion in worldwide sales, marking a 12% growth year-over-year, with U.S. sales increasing by 10% to $707 million and international sales growing by 15% to $308 million [13][16] - Q4 2025 saw record worldwide sales of $290 million, representing a 15% year-over-year growth, with U.S. sales increasing by 14% to $210 million [14][15] - Gross margin expanded by 3 percentage points to 54% for the full year, with the highest quarterly margin ever recorded at 58% in Q4 [16][17] - Adjusted EBITDA was 11% of sales in Q4, a 10 percentage point improvement over the prior year, and the company reported its first positive operating margin since 2021 at 3% of sales in Q4 [17] Business Line Data and Key Metrics Changes - The U.S. market saw more than 27,000 pump shipments in Q4, with renewals from loyal customers making up over half of the shipments [15] - Internationally, Q4 sales grew 17% year-over-year, delivering $80 million in sales and 11,000 pump shipments [16] - Sales through the pharmacy channel nearly doubled from Q3, growing to $16 million or 7% of total U.S. sales in Q4 [15] Market Data and Key Metrics Changes - The company began direct commercial operations in the UK, Switzerland, and Austria, with expectations for strong sales productivity in these markets [6][23] - Direct sales represented approximately 5% of total international sales in 2025, expected to increase to about 15% in 2026 [24] Company Strategy and Development Direction - The company is focused on three key initiatives: modernizing commercial operations, delivering new technology, and reshaping the business model [4][5] - The transition to a pay-as-you-go reimbursement model is expected to drive market growth and profitability, with plans to increase pharmacy coverage for both t:slim X2 and Mobi platforms [10][11] - The company aims to maintain leadership in automated insulin delivery (AID) systems and plans to begin a pivotal trial for a fully closed loop algorithm later this year [9] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in achieving long-term objectives of accelerated sales growth, with a gross margin target of at least 65% and an operating margin of 25% [18] - The transition to the pay-as-you-go model is anticipated to moderate sales growth in 2026 but is expected to create a more predictable revenue stream over time [19][21] - Management highlighted the importance of pump shipments as a key indicator of progress in growing the market while expanding margins [19] Other Important Information - The company exited 2025 with nearly $300 million in total cash and investments, generating free cash flow in both Q3 and Q4 [17] - The anticipated revenue headwinds from the pay-as-you-go model are expected to be most pronounced in 2026, with a projected U.S. sales range of $730 million to $745 million [22] Q&A Session Summary Question: Can you provide context on the expected growth rates for U.S. and international shipments? - Management indicated that overall revenue growth for the year is expected to be in the line of 10-11%, with double-digit growth in shipments [32] Question: What is the current status of pharmacy coverage and contracting? - Management confirmed contracts with major PBMs covering about 80% of lives, with formulary access currently at roughly a third [40] Question: Why is now the right time for the pay-as-you-go model? - Management stated that the experience gained in Q4 and positive conversations with payers made this the right time for the transition [44] Question: How will the transition to direct sales impact revenue? - Management explained that while there are headwinds from the transition, the long-term benefits of direct sales and pricing premiums are expected to outweigh these challenges [77] Question: What are the expected impacts of the pharmacy shift on the P&L? - Management noted that the headwinds from the pay-as-you-go model will be more pronounced in 2026, but the transition is expected to lead to significant revenue growth in subsequent years [68]

Earnings 2025 FY & Q4 February 19, 2026 ››› Page 1 © 2025 Tandem Diabetes Care, Inc. All Rights Reserved Disclaimers & Safe Harbor CAUTIONARY NOTES REGARDING FORWARD LOOKING-STATEMENTS Certain statements in this presentation constitute forward-looking statements, including, without limitation, statements about: the perceived advantages of our products relative to competitive products and technologies; our anticipated growth and other measures of future operating results and financial performance; the develo ...

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 _________________________________________________________________ FORM 10-K _________________________________________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-36189 ____________________ ...

Media Contact: 858-366-6900 media@tandemdiabetes.com Investor Contact: 858-366-6900 IR@tandemdiabetes.com Exhibit 99.1 FOR IMMEDIATE RELEASE Tandem Diabetes Care Announces Fourth Quarter and Full Year 2025 Financial Results and 2026 Financial Guidance San Diego, February 19, 2026 - Tandem Diabetes Care, Inc. (Nasdaq: TNDM), a global insulin delivery and diabetes technology company, today reported its financial results for the quarter and fiscal year ended December 31, 2025 and provided its financial guidanc ...

Core Insights - Tandem Diabetes Care, Inc. (TNDM) is expected to report a quarterly loss of -$0.05 per share, marking an 88.6% increase in loss compared to the same period last year [1] - Analysts forecast revenues of $276 million, reflecting a year-over-year increase of 9.3% [1] - The consensus EPS estimate has been adjusted downward by 0.8% over the past 30 days, indicating a reassessment by covering analysts [1] Revenue Estimates - Analysts project 'Revenue- Supplies and Other' to reach $141.55 million, indicating a year-over-year change of +10.4% [4] - The consensus for 'Revenue- Pump' is estimated at $134.50 million, showing an increase of +8.3% from the prior-year quarter [4] - 'Sales- Pump- United States' is expected to be $108.34 million, reflecting a year-over-year change of +10.1% [4] Geographic Sales Projections - 'Sales- Pump- Outside the United States' is estimated to be $26.16 million, indicating a +1.5% change from the year-ago quarter [5] - 'Sales- Supplies and Other- United States' is forecasted to reach $94.74 million, with a year-over-year change of +10.3% [5] - The estimated 'Geographic Sales- United States' stands at $203.09 million, reflecting a year-over-year change of -5.4% [5] International Sales Estimates - 'Sales- Supplies and Other- Outside the United States' is projected at $46.80 million, indicating a +10.6% change from the prior-year quarter [6] - The consensus for 'Geographic Sales- Outside the United States' is $72.94 million, showing a significant decline of -99.9% from the year-ago quarter [6] Pump Shipments Forecast - Total worldwide 'Pump Shipments' are expected to reach 35,032, compared to 34,000 in the same quarter last year [7] - 'Pump Shipments- Outside the United States' is projected at 9,400, down from 10,000 in the previous year [7] - 'Pump Shipments- United States' is estimated at 25,632, compared to 24,000 in the year-ago period [7] Stock Performance - Over the past month, shares of Tandem Diabetes Care have returned -6%, while the Zacks S&P 500 composite has changed by -1.4% [8] - TNDM currently holds a Zacks Rank 3 (Hold), suggesting its performance may align with the overall market in the near future [8]

Core Viewpoint - Rosen Law Firm is investigating potential securities claims on behalf of shareholders of Tandem Diabetes Care, Inc. due to allegations of materially misleading business information issued by the company [1]. Group 1: Legal Action and Investor Rights - Shareholders who purchased Tandem Diabetes securities may be entitled to compensation through a class action lawsuit without any out-of-pocket fees [2]. - The Rosen Law Firm is preparing a class action to seek recovery of investor losses related to Tandem Diabetes [2]. Group 2: Company Incident and Stock Impact - On August 7, 2025, Tandem Diabetes issued a press release regarding a voluntary medical device correction for select t:slim X2 insulin pumps, which stated a potential speaker-related issue could lead to insulin delivery discontinuation [3]. - Following this announcement, Tandem Diabetes' stock experienced a significant decline of 19.9% on the same day [3]. Group 3: Rosen Law Firm's Credentials - The Rosen Law Firm has a strong track record in securities class actions, having achieved the largest securities class action settlement against a Chinese company and being ranked No. 1 for securities class action settlements in 2017 [4]. - The firm has recovered hundreds of millions of dollars for investors, including over $438 million in 2019 alone [4].