TNDM Stock: Price, Earnings History and SEC Filings
Tandem Diabetes Care, Inc. (TNDM) last traded at $19.11, down 3.44% on the latest session and up 17.2% over the past month. In its most recent reported quarter (Jun 2026) earnings per share were $-0.31 against an analyst estimate of $-0.34, a beat of 8.8%.
Price data from Yahoo Finance, as of Oct 30, 2026. May be delayed.
TNDM earnings history
| Quarter | Reported | EPS | Estimate | Surprise |
|---|---|---|---|---|
| Jun 2026 | Aug 6, 2026 | $-0.31 | $-0.34 | +8.82% |
| Mar 2026 | May 7, 2026 | $-0.30 | $-0.46 | +34.78% |
| Dec 2025 | Feb 19, 2026 | $-0.01 | $-0.05 | +80.00% |
| Sep 2025 | Nov 6, 2025 | $-0.31 | $-0.31 | +0.00% |
TNDM beat the analyst EPS estimate in 3 of its last 4 reported quarters. Source: Nasdaq.
How TNDM reacts to earnings
Across its last 8 earnings releases, TNDM moved 20.8% on average the next session, in either direction. It rose after 4 of 8 reports.
| Report date | Released | Next-session move |
|---|---|---|
| 2026-08-06 | After close | +19.11% |
| 2026-05-07 | After close | -16.19% |
| 2026-02-19 | After close | +32.67% |
| 2025-11-06 | After close | +21.98% |
| 2025-08-06 | After close | -19.94% |
| 2025-04-30 | After close | +18.58% |
| 2025-02-26 | After close | -35.25% |
| 2024-11-06 | After close | -2.69% |
Based on the dates of earnings-release 8-K filings (SEC EDGAR) and daily closing prices (Yahoo Finance). Past reactions do not predict future ones.
TNDM financial history
| Fiscal year | Revenue | Net income | Free cash flow | Net margin | Diluted EPS |
|---|---|---|---|---|---|
| 2025 | $1.0B | -$205M | -$30M | -20.2% | $-3.04 |
| 2024 | $940M | -$96M | $5M | -10.2% | $-1.47 |
| 2023 | $748M | -$223M | -$59M | -29.8% | $-3.43 |
| 2022 | $801M | -$95M | $16M | -11.8% | $-1.47 |
| 2021 | $703M | $16M | $97M | 2.2% | $0.24 |
| 2020 | $499M | -$34M | -$3M | -6.9% | $-0.56 |
| 2019 | $362M | -$25M | $22M | -6.8% | $-0.42 |
| 2018 | $184M | -$123M | -$11M | -66.7% | – |
Source: annual figures from 10-K filings on SEC EDGAR. The year shown is the calendar year the fiscal year ended. Free cash flow is operating cash flow minus capital spending.
Latest SEC filings for TNDM
- 10-Q · Aug 6, 2026
- 8-K · Aug 6, 2026Results of operations, Financial statements and exhibits
- 8-K · May 21, 2026Officer or director change, Shareholder vote, Financial statements and exhibits
- 8-K · May 15, 2026Officer or director change
- 10-Q · May 7, 2026
- 8-K · May 7, 2026Results of operations, Financial statements and exhibits
- DEF 14A · Apr 7, 2026
- 8-K · Feb 27, 2026Material agreement, New financial obligation, Unregistered share sale
- 10-K · Feb 19, 2026
- 8-K · Feb 19, 2026Results of operations, Financial statements and exhibits
Insider filing activity
TNDM insiders filed 9 Form 4 reports in the last 90 days. A Form 4 is how directors and executives disclose purchases, sales and grants of company stock. See the individual filings on SEC EDGAR. Many Form 4 filings are routine, such as scheduled sales or option exercises, so check each filing before drawing a conclusion.
Source: SEC EDGAR.
TNDM news
- Tandem Diabetes Care Announces Upcoming Conference PresentationsOct 30, 2026 · finance.yahoo.com
- Rapid Micro Biosystems, Inc. (RPID) May Report Negative Earnings: Know the Trend Ahead of Q3 ReleaseOct 30, 2026 · finance.yahoo.com
- Tandem Diabetes Care, Inc. (TNDM) May Report Negative Earnings: Know the Trend Ahead of Next Week's ReleaseOct 29, 2026 · finance.yahoo.com
- 3 Russell 2000 stocks that fall shortOct 28, 2026 · finance.yahoo.com
- Tandem Diabetes Care (TNDM) Stock May Be Underpriced Given Its Sales BaseOct 27, 2026 · finance.yahoo.com
About Tandem Diabetes Care, Inc.
Tandem Diabetes Care, Inc. (TNDM) is a US-listed public company on Nasdaq. The SEC classifies its business as Surgical & Medical Instruments & Apparatus. It is incorporated in DE. Its fiscal year ends in December.