SpaceX~$1TSpaceX~$1T
Insider Buying
Subscribe
All stock lists

Tandem Diabetes Care Inc (NASDAQ:TNDM)

US · Delayed Price · Currency is USD
16.42+0.70 (+4.45%)
 
Market Cap1.13B+39.3%
Revenue (ttm)1.04B-7.1%
Net Income-63.31M+69.2%
EPS-0.93+69.9%
Shares Out68.53M
PE Ration/a
Forward PE118.06
Dividendn/a
Ex-Dividend Daten/a
Volume2,852,516
Open15.60
Previous Close15.72
Day's Range15.55 - 16.54
52-Week Range11.46 - 29.65
Beta1.56
AnalystsBuy
Price Target30.17(+83.74%)
Earnings DateNov 5, 2026
Insider Score
––Not scored
TNDM Insider Score

Insiders here have filed 28 Form 4s in the last 90 days, but all of them are share awards, grants or other non-market transactions. Those are compensation, not a decision to buy, so they are not scored.

About TNDM

Tandem Diabetes Care, Inc., a medical technology firm, specializes in creating, developing, and marketing solutions for individuals globally who manage insulin-dependent diabetes. At the core of its offerings is the t:slim X2 insulin delivery system, an advanced pump platform that integrates the t:slim X2 pump, a disposable 300-unit insulin cartridge, and an infusion set. Tandem further enhances this platform with innovative features like Basal-IQ and Control-IQ technology, as well as G5 Integration capabilities. The company also provides the Tandem Device Updater, enabling users to easily update their pump's software. To facilitate therapy management, Tandem offers t:connect, a web-based application that visually presents diabetes data from the pump, continuous glucose monitoring (CGM) devices, and supported blood glucose meters to patients, their caregivers, and healthcare professionals. Additionally, the Sugarmate mobile application caters specifically to insulin users with diabetes. Tandem has strategic development and commercialization partnerships with leading companies such as Dexcom, Inc. and Abbott Laboratories. Established in 2006 and headquartered in San Diego, California, the company was initially known as Phluid Inc. before rebranding as Tandem Diabetes Care, Inc. in January 2008.

Address
12400 High Bluff Drive, San Diego, CA, 92130, US
Market Cap
1.13 billion
Employees
2,500
Industrial Classification
Medical - Devices
1 Day
+4.45%
5 Days
-0.06%
1 Month
-23.38%
6 Months
-21.81%
1 Year
+39.27%

$TNDM stock is featured in our Congress Trading, and Insider Trades datasets.

→ All Stock Lists

Congress Trading

Recent trades of TNDM by members of U.S. Congress

PoliticianTypeTraded
Gilbert Ray CisnerosHouse / DPurchase$1.00K – $15.00KMar 3, 2026
Gilbert Ray CisnerosHouse / DPurchase$1.00K – $15.00KMar 2, 2026
Gilbert Ray CisnerosHouse / DPurchase$1.00K – $15.00KMar 4, 2025
Gilbert Ray CisnerosHouse / DPurchase$1.00K – $15.00KMar 3, 2025

Recently reported changes in TNDM holdings by institutional investors

Scanning latest 13F filings…

Latest 0 13F filings · Source: SEC EDGAR

View all institutional owners →

Insider Trading

Quarterly net insider trading by TNDM's directors and management

Net Shares Purchased by Insiders−1−102025Q32025Q42026Q12026Q22026Q3

Source: SEC EDGAR (Form 4)

Corporate Lobbying

TNDM Estimated quarterly lobbying spending

Source: U.S. Senate LDA

TNDM Revenue by Segment or Geography

TNDM's latest filing doesn't break out revenue by segment.

As of: Q2 2026 (Jun 30, 2026) · Source: SEC EDGAR (10-Q)

U.S. Patents

New TNDM patent grants

Loading patent grants…

Source: USPTO Open Data Portal

Government Contracts

Estimated quarterly amount awarded to TNDM from public contracts

Source: USAspending.gov

Top ETF Holders

ETFs with the largest estimated holdings in TNDM

ETFEst. Holding Size
VTIVanguard Morningstar Total Stock Market ETF$48.13M
VBVanguard Morningstar Small-Cap ETF$34.67M
IWMiShares Russell 2000 ETF$27.09M
VBKVanguard Morningstar Small-Cap Growth ETF$19.87M
VXFVanguard Extended Market ETF$17.53M
FESMFidelity Enhanced Small Cap ETF$11.86M

Estimated from each fund’s disclosed top holdings × AUM

TNDM Insider Score

Our composite score: insider buying, sector, volume, tone & dilution

No Insider Score for TNDM yet — no open-market insider buys or sells in the last 90 days.

Bull Case vs Bear Case

AI-generated from TNDM’s recent data — informational, not investment advice

Generating analysis…

Recent Insider Activity

Buys
0
Sells
0
Buy Value
$0
Distinct Buyers
0

Frequently Asked Questions

Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.