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Tandem Diabetes designs, manufactures, and markets durable insulin pumps for individuals with diabetes. The firm first entered this market in 2012 and has since introduced multiple generations of pumps leading to its current t:slim X2 device. The firm recently launched its smaller Mobi pump and continues to work on Tobi (a tubeless version of Mobi), and the Sigi tubeless patch pump. Nearly three-quarters of total revenue is derived from the US, with the remainder primarily from other developed nations. The pumps themselves generate just over half of total sales, and another one-third is from disposable infusion sets that need to be changed over every 2 to 3 days.

Founded: 2006 Country:
United States
United States
Employees: N/A City: San Diego
Market Cap: 1.4B IPO Year: 2013
Target Price: $28.33 AVG Volume (30 days): 2.4M
Analyst Decision: Buy Number of Analysts: 18
Dividend Yield:
N/A
Dividend Payout Frequency: N/A
EPS: -3.04 EPS Growth: -106.80
52 Week Low/High: $10.00 - $29.65 Next Earning Date: 04-29-2026
Revenue: $1,014,736,000 Revenue Growth: 7.93%
Revenue Growth (this year): 8.01% Revenue Growth (next year): 12.14%
P/E Ratio: -8.16 Index: N/A
Free Cash Flow: -29669000.0 FCF Growth: N/A

AI-Powered TNDM Daily Prediction

Machine learning model trained on 25+ technical indicators

Updated 21 hours ago

AI Recommendation

hold
Model Accuracy: 75.30%
75.30%
Confidence

Disclaimer: This prediction is generated by an AI model and should not be considered as financial advice. Always conduct your own research and consult with financial professionals before making investment decisions.

Stock Insider Trading Activity of Tandem Diabetes Care Inc. (TNDM)

Novara Mark David

EVP & CHIEF COMMERCIAL OFFICER

Sell
TNDM Mar 17, 2026

Avg Cost/Share

$23.05

Shares

187

Total Value

$4,310.35

Owned After

37,656

SEC Form 4

Novara Mark David

EVP & CHIEF COMMERCIAL OFFICER

Sell
TNDM Mar 5, 2026

Avg Cost/Share

$22.81

Shares

2

Total Value

$45.62

Owned After

37,656

SEC Form 4

Earnings Transcripts

SEC 8-K filings with transcript text

View All
2025
Q4

Q4 2025 Earnings

8-K BUY

Feb 19, 2026 · 100% conf.

AI Prediction BUY

1D

+13.62%

$21.04

Act: +32.67%

5D

+14.20%

$21.15

Act: +39.25%

20D

+28.62%

$23.82

Price: $18.52 Prob +5D: 100% AUC: 1.000
0001438133-26-000009

tndm-202602190001438133FALSE00014381332026-02-192026-02-19

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549


FORM 8-K


CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 19, 2026


Tandem Diabetes Care, Inc. (Exact name of registrant as specified in its charter)


Delaware001-3618920-4327508 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.) 12400 High Bluff Drive92130 San Diego California (Zip Code) (Address of principal executive offices)

Registrant’s telephone number, including area code: (858) 366-6900 N/A (Former name or former address, if changed since last report)


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of Each ClassTrading SymbolName of Each Exchange on Which Registered Common Stock, par value $0.001 per shareTNDMNASDAQ Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐


Item 2.02 Results of Operations and Financial Condition.

On February 19, 2026, we issued a press release reporting our financial results for the quarter and year ended December 31, 2025. This press release has been furnished as Exhibit 99.1 to this report and is incorporated herein by this reference.

The information under this Item 2.02 and Exhibit 99.1 hereto is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or the Exchange Act, or otherwise subject to the liabilities of that section, nor shall they be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits. (d)     Exhibits.

Number Description

99.1Press release of Tandem Diabetes Care, Inc. dated February 19, 2026.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Tandem Diabetes Care, Inc.

By:/s/ SHANNON M. HANSEN Shannon M. Hansen Executive Vice President, Chief Legal, Privacy & Compliance Officer and Secretary

Date: February 19, 2026 3

2025
Q3

Q3 2025 Earnings

8-K

Nov 6, 2025

0001438133-25-000186

tndm-202511060001438133FALSE00014381332025-11-062025-11-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549


FORM 8-K


CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2025


Tandem Diabetes Care, Inc. (Exact name of registrant as specified in its charter)


Delaware001-3618920-4327508 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.) 12400 High Bluff Drive92130 San Diego California (Zip Code) (Address of principal executive offices)

Registrant’s telephone number, including area code: (858) 366-6900 N/A (Former name or former address, if changed since last report)


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of Each ClassTrading SymbolName of Each Exchange on Which Registered Common Stock, par value $0.001 per shareTNDMNASDAQ Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐


Item 2.02 Results of Operations and Financial Condition.

On November 6, 2025, we issued a press release reporting our financial results for the quarter ended September 30, 2025. This press release has been furnished as Exhibit 99.1 to this report and is incorporated herein by this reference.

The information under this Item 2.02 and Exhibit 99.1 hereto is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or the Exchange Act, or otherwise subject to the liabilities of that section, nor shall they be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits. (d)     Exhibits.

Number Description

99.1Press release of Tandem Diabetes Care, Inc. dated September 30, 2025.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Tandem Diabetes Care, Inc.

By:/s/ SHANNON M. HANSEN Shannon M. Hansen Executive Vice President, Chief Legal, Privacy & Compliance Officer and Secretary

Date: November 6, 2025 3

2025
Q2

Q2 2025 Earnings

8-K

Aug 6, 2025

0001438133-25-000155

tndm-202508060001438133FALSE00014381332025-04-302025-04-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549


FORM 8-K


CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2025


Tandem Diabetes Care, Inc. (Exact name of registrant as specified in its charter)


Delaware001-3618920-4327508 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.) 12400 High Bluff Drive92130 San Diego California (Zip Code) (Address of principal executive offices)

Registrant’s telephone number, including area code: (858) 366-6900 N/A (Former name or former address, if changed since last report)


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of Each ClassTrading SymbolName of Each Exchange on Which Registered Common Stock, par value $0.001 per shareTNDMNASDAQ Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐


Item 2.02 Results of Operations and Financial Condition.

On June 30, 2025, we issued a press release reporting our financial results for the quarter ended June 30, 2025. This press release has been furnished as Exhibit 99.1 to this report and is incorporated herein by this reference.

The information under this Item 2.02 and Exhibit 99.1 hereto is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or the Exchange Act, or otherwise subject to the liabilities of that section, nor shall they be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits. (d)     Exhibits.

Number Description

99.1Press release of Tandem Diabetes Care, Inc. dated June 30, 2025.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Tandem Diabetes Care, Inc.

By:/s/ SHANNON M. HANSEN Shannon M. Hansen Executive Vice President, Chief Legal, Privacy & Compliance Officer and Secretary

Date: August 6, 2025 3

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