Tandem Diabetes Care Inc SEC filings TNDM
Tandem Diabetes Care Inc has 1,004 filings in SEC EDGAR's recent list, going back to Dec 16, 2016. Its latest annual report, Form ARS, was filed on Apr 8, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 6, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2026 | — |
| S-8 | Employee stock plan registration | May 27, 2026 | — |
| 8-K |
Current report
Change to shareholder rights, Officer or director change, Shareholder vote results
|
May 21, 2026 | May 20, 2026 |
| 8-K |
Current report
Officer or director change
|
May 15, 2026 | May 11, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| ARS | Annual report to shareholders | Apr 8, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 7, 2026 | — |
| DEF 14A | Proxy statement | Apr 7, 2026 | Dec 31, 2025 |
| PRE 14A | Preliminary proxy statement | Mar 27, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Feb 27, 2026 | Feb 23, 2026 |
| 10-K | Annual report | Feb 19, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 19, 2026 | Feb 19, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 30, 2025 | Dec 26, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 12, 2025 | Nov 7, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Other events
|
Aug 7, 2025 | Aug 6, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| UPLOAD | Letter from the SEC | Jun 26, 2025 | — |
| CORRESP | Letter to the SEC | Jun 25, 2025 | — |
| UPLOAD | Letter from the SEC | Jun 11, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2025 | — |
| 8-K |
Current report
Material agreement, Shareholder vote results
|
May 23, 2025 | May 21, 2025 |
| CORRESP | Letter to the SEC | May 23, 2025 | — |
| 8-K |
Current report
Other events
|
May 20, 2025 | May 16, 2025 |
| UPLOAD | Letter from the SEC | May 13, 2025 | — |
| 8-K |
Current report
Other events
|
May 12, 2025 | May 9, 2025 |
| 10-Q | Quarterly report | Apr 30, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2025 | Apr 30, 2025 |
| ARS | Annual report to shareholders | Apr 8, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 8, 2025 | — |
| DEF 14A | Proxy statement | Apr 8, 2025 | Dec 31, 2024 |
| CORRESP | Letter to the SEC | Apr 4, 2025 | — |
| UPLOAD | Letter from the SEC | Mar 25, 2025 | — |
| 10-K | Annual report | Feb 26, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2025 | Feb 26, 2025 |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2024 | Nov 6, 2024 |
| 10-Q | Quarterly report | Aug 1, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Officer or director change
|
Jun 21, 2024 | Jun 19, 2024 |
| 8-K |
Current report
Material agreement
|
Jun 18, 2024 | May 22, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2024 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 23, 2024 | May 22, 2024 |
| S-8 | Employee stock plan registration | May 23, 2024 | — |
| 8-K |
Current report
Material agreement, Other events
|
May 16, 2024 | May 10, 2024 |
| 10-Q | Quarterly report | May 2, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 2, 2024 | May 2, 2024 |
| ARS | Annual report to shareholders | Apr 9, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 9, 2024 | — |
| DEF 14A | Proxy statement | Apr 9, 2024 | Apr 9, 2024 |
| 8-K |
Current report
Other events
|
Apr 1, 2024 | Mar 21, 2024 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Mar 11, 2024 | Mar 4, 2024 |
| 10-K | Annual report | Feb 21, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 21, 2024 | Feb 21, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 11, 2023 | Dec 5, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 13, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Other events
|
Nov 6, 2023 | Nov 3, 2023 |
| 10-Q | Quarterly report | Nov 1, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2023 | Nov 1, 2023 |
| 8-K |
Current report
Officer or director change
|
Aug 18, 2023 | Aug 17, 2023 |
| S-8 | Employee stock plan registration | Aug 3, 2023 | — |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2023 | — |
| 8-K |
Current report
Shareholder vote results
|
May 26, 2023 | May 24, 2023 |
| 10-Q | Quarterly report | May 3, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 3, 2023 | May 3, 2023 |
| DEFA14A | Additional proxy material | Apr 12, 2023 | — |
| DEF 14A | Proxy statement | Apr 12, 2023 | — |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 22, 2023 | Feb 17, 2023 |
| 10-K | Annual report | Feb 22, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jan 23, 2023 | Jan 19, 2023 |
| 8-K |
Current report
Results of operations
|
Jan 10, 2023 | Jan 10, 2023 |
| 8-K |
Current report
Material agreement
|
Dec 13, 2022 | Dec 10, 2022 |
| 10-Q | Quarterly report | Nov 2, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2022 | Nov 2, 2022 |
| 10-Q | Quarterly report | Aug 3, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2022 | Aug 3, 2022 |
| 8-K |
Current report
Officer or director change
|
Jun 16, 2022 | Jun 15, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 27, 2022 | May 25, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2022 | — |
| 10-Q | Quarterly report | May 4, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 4, 2022 | May 4, 2022 |
| DEF 14A | Proxy statement | Apr 13, 2022 | Apr 13, 2022 |
| DEFA14A | Additional proxy material | Apr 13, 2022 | — |
| PRE 14A | Preliminary proxy statement | Mar 30, 2022 | Mar 30, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 15, 2022 | Mar 11, 2022 |
| 10-K | Annual report | Feb 22, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 22, 2022 | Feb 3, 2022 |
| 8-K |
Current report
Other events
|
Feb 16, 2022 | Feb 16, 2022 |
| 10-Q | Quarterly report | Nov 3, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2021 | Nov 3, 2021 |
| 8-K |
Current report
Material agreement
|
Sep 17, 2021 | Sep 15, 2021 |
| 10-Q | Quarterly report | Aug 4, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2021 | Aug 4, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2021 | — |
| 8-K |
Current report
Shareholder vote results
|
May 19, 2021 | May 18, 2021 |
| 10-Q | Quarterly report | May 5, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 5, 2021 | May 5, 2021 |
| DEFA14A | Additional proxy material | Apr 7, 2021 | — |
| DEF 14A | Proxy statement | Apr 7, 2021 | Apr 7, 2021 |
| 10-K | Annual report | Feb 24, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 24, 2021 | Feb 23, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Feb 8, 2021 | Feb 4, 2021 |
| 8-K |
Current report
Officer or director change
|
Dec 14, 2020 | Dec 11, 2020 |
| 8-K |
Current report
Material agreement
|
Nov 23, 2020 | Nov 20, 2020 |
| 10-Q | Quarterly report | Nov 5, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| CT ORDER | Filing | Sep 14, 2020 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Aug 21, 2020 | Aug 19, 2020 |
| 10-Q | Quarterly report | Jul 30, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Officer or director change
|
Jul 30, 2020 | Jul 29, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2020 | Jul 30, 2020 |
| 8-K |
Current report
Other events
|
Jul 1, 2020 | Jul 1, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 25, 2020 | Jun 24, 2020 |
| 8-K |
Current report
Other events
|
Jun 18, 2020 | Jun 16, 2020 |
| 8-K |
Current report
Officer or director change
|
Jun 5, 2020 | Jun 4, 2020 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2020 | — |
| 8-K |
Current report
Other events
|
May 28, 2020 | May 27, 2020 |
| 8-K |
Current report
Officer or director change
|
May 27, 2020 | May 26, 2020 |
| DEFA14A | Additional proxy material | May 26, 2020 | — |
| DEFA14A | Additional proxy material | May 18, 2020 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
May 15, 2020 | May 12, 2020 |
| 10-Q | Quarterly report | Apr 30, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2020 | Apr 30, 2020 |
| DEFA14A | Additional proxy material | Apr 15, 2020 | — |
| DEF 14A | Proxy statement | Apr 15, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 24, 2020 | Feb 24, 2020 |
| 10-K | Annual report | Feb 24, 2020 | Dec 31, 2019 |
| UPLOAD | Letter from the SEC | Dec 17, 2019 | — |
| 8-K |
Current report
Other events
|
Dec 13, 2019 | Dec 13, 2019 |
| CORRESP | Letter to the SEC | Dec 6, 2019 | — |
| 8-K |
Current report
Material agreement
|
Nov 19, 2019 | Nov 14, 2019 |
| UPLOAD | Letter from the SEC | Nov 8, 2019 | — |
| 10-Q | Quarterly report | Nov 4, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2019 | Nov 4, 2019 |
| S-8 | Employee stock plan registration | Aug 1, 2019 | — |
| 10-Q | Quarterly report | Aug 1, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2019 | Aug 1, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Jun 19, 2019 | Jun 18, 2019 |
| DEFA14A | Additional proxy material | Jun 14, 2019 | — |
| 8-K |
Current report
Other events
|
Jun 10, 2019 | Jun 9, 2019 |
| DEFA14A | Additional proxy material | Jun 4, 2019 | — |
| DEFA14A | Additional proxy material | May 31, 2019 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2019 | — |
| DEFA14A | Additional proxy material | May 23, 2019 | — |
| 8-K |
Current report
Material agreement
|
May 22, 2019 | May 17, 2019 |
| 10-Q | Quarterly report | Apr 30, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2019 | Apr 30, 2019 |
| DEFA14A | Additional proxy material | Apr 11, 2019 | — |
| DEF 14A | Proxy statement | Apr 11, 2019 | May 22, 2019 |
| 8-K |
Current report
Material agreement
|
Mar 18, 2019 | Mar 14, 2019 |
| 10-K | Annual report | Feb 26, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 26, 2019 | Feb 25, 2019 |
| 8-K |
Current report
Material agreement
|
Jan 23, 2019 | Jan 22, 2019 |
| 8-K |
Current report
Officer or director change
|
Jan 3, 2019 | Jan 2, 2019 |
| CT ORDER | Filing | Nov 20, 2018 | — |
| 10-Q/A | Amended quarterly report | Nov 9, 2018 | Sep 30, 2018 |
| 10-Q | Quarterly report | Nov 1, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2018 | Nov 1, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 25, 2018 | Sep 25, 2018 |
| S-8 | Employee stock plan registration | Aug 17, 2018 | — |
| 8-K |
Current report
Other events
|
Aug 8, 2018 | Aug 8, 2018 |
| 8-K |
Current report
Other events
|
Aug 7, 2018 | Aug 7, 2018 |
| 8-K |
Current report
Material agreement, Other events
|
Aug 3, 2018 | Aug 3, 2018 |
| 424B5 | Prospectus supplement | Aug 3, 2018 | — |
| S-3MEF | Filing | Aug 3, 2018 | — |
| 424B5 | Prospectus supplement | Aug 2, 2018 | — |
| 10-Q | Quarterly report | Jul 30, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2018 | Jul 30, 2018 |
| 8-K |
Current report
Other events
|
Jun 22, 2018 | Jun 21, 2018 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 15, 2018 | Jun 12, 2018 |
| DEFA14A | Additional proxy material | Jun 4, 2018 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2018 | — |
| EFFECT | Filing | May 9, 2018 | — |
| CORRESP | Letter to the SEC | May 8, 2018 | — |
| UPLOAD | Letter from the SEC | May 8, 2018 | — |
| DEFA14A | Additional proxy material | May 4, 2018 | — |
| DEFA14A | Additional proxy material | May 1, 2018 | — |
| 8-K |
Current report
Other events
|
May 1, 2018 | Apr 30, 2018 |
| S-3 | Shelf registration | Apr 26, 2018 | — |
| DEF 14A | Proxy statement | Apr 26, 2018 | Jun 14, 2018 |
| 10-Q | Quarterly report | Apr 26, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations
|
Apr 26, 2018 | Apr 26, 2018 |
| 8-K |
Current report
Results of operations
|
Apr 10, 2018 | Apr 10, 2018 |
| PRE 14A | Preliminary proxy statement | Mar 21, 2018 | Jun 14, 2018 |
| 8-K |
Current report
Officer or director change
|
Mar 8, 2018 | Mar 5, 2018 |
| S-8 | Employee stock plan registration | Mar 1, 2018 | — |
| 10-K | Annual report | Mar 1, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Mar 1, 2018 | Feb 26, 2018 |
| 8-K |
Current report
Other events
|
Feb 14, 2018 | Feb 13, 2018 |
| 8-K |
Current report
Material agreement, Other events
|
Feb 9, 2018 | Feb 8, 2018 |
| 424B4 | Prospectus | Feb 9, 2018 | — |
| S-1MEF | Filing | Feb 9, 2018 | — |
| EFFECT | Filing | Feb 8, 2018 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Surgical & Medical Instruments & Apparatus (SIC 3841)
- Listed as
- TNDM (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- San Diego, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1438133
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.