Tandem Diabetes Care, Inc.

Tandem Diabetes Care, Inc.

TNDM·NASDAQ

$18.03

-3.1%
HealthcareMedical - Devices

Tandem Diabetes Care, Inc., a medical device company, designs, develops, and commercializes various products for people with insulin-dependent diabetes in the United States and internationally. The company's flagship product is the t:slim X2 insulin delivery system, a pump platform that comprises t:slim X2 pump, its 300-unit disposable insulin cartridge, and an infusion set. It also provides t:slim X2 insulin with Basal-IQ and control IQ technology; t:slim X2 with G5 Integration; and Tandem Device Updater, a tool that allows users to update their pump's software. In addition, the company offers t:connect, a web-based data management application, which provides a visual way to display diabetes therapy management data from the pump, continuous glucose monitoring, and supported blood glucose meters for users, their caregivers, and their healthcare providers; and Sugarmate, a mobile app for people with diabetes who use insulin. It has development and commercialization agreements with Dexcom, Inc. and Abbott Laboratories. The company was formerly known as Phluid Inc. and changed its name to Tandem Diabetes Care, Inc. in January 2008. Tandem Diabetes Care, Inc. was incorporated in 2006 and is headquartered in San Diego, California.

At a Glance

Live Snapshot
Market Cap$1.24B
EPS-3.0400
P/E Ratio-5.93
Earnings Date08/05/2026
-11.88%
Return on Invested Capital
-7%
3Y+15.0%
5Y+880.0%
10Y-88.0%
-131.93%
Return on Equity
261%
3Y+514.0%
5Y+1306.0%
10Y-109.0%
-23.23%
Return on Assets
134%
3Y+159.0%
5Y+384.0%
10Y-69.0%
Tandem Diabetes Care, Inc.

Tandem Diabetes Care, Inc. Management Team

TNDM · NASDAQ
MT

Mr. Tom Fox

Chief Human Resources Officer

male
DJ

Dr. Jordan Pinsker M.D.

Chief Medical Officer

MR

Mr. Rick A. Carpenter

Chief Technical Officer

Born 1963(Age 63)
male
MS

Ms. Susan M. Morrison

Executive Vice President & Chief Administrative Officer

Compensation

$697,844

Born 1979(Age 47)
female
MM

Mr. Mark Novara

Executive Vice President & Chief Commercial Officer

Compensation

$712,029

Born 1975(Age 51)
male
MJ

Mr. Jean-Claude E. Kyrillos

Executive Vice President & Chief Operating Officer

Compensation

$538,562

Born 1964(Age 62)
male
ME

Ms. Elizabeth Anne Gasser

Executive Vice President and Chief Strategy & Product Officer

Compensation

$697,844

Born 1976(Age 50)
female
ML

Ms. Leigh A. Vosseller

Executive Vice President, Chief Financial Officer & Treasurer

Compensation

$696,966

Born 1973(Age 53)
female
MS

Ms. Shannon M. Hansen J.D.

Executive Vice President, Chief Legal, Privacy & Compliance Officer and Secretary

Born 1966(Age 60)
female
MJ

Mr. John F. Sheridan

President, Chief Executive Officer & Director

Compensation

$1,393,482

Born 1955(Age 71)
male
tndm

Tandem Diabetes Care, Inc. Insider Positioning

TNDM · NASDAQ

During the last 12 months, insiders have purchased $252K and sold $4K worth of TNDM shares, resulting in $247K of net buying activity.

3 Months

Bought

0

0.00

Sold

187

4.31K

Net Activity

-4K

-$4K

3-6 Months

Bought

0

0.00

Sold

2

45.00

Net Activity

-45

-$45

6-9 Months

Bought

0

0.00

Sold

0

0.00

Net Activity

+0

+$0

9-12 Months

Bought

23.7K

251.72K

Sold

0

0.00

Net Activity

+252K

+$252K

Top Buyers

1
VL

Vosseller Leigh

Officer: Evp & Chief Financial Officer

13.7K shares1 transactions

$149K

2
SJF

Sheridan John F

Director, Officer: President & Ceo

10.0K shares1 transactions

$102K

Top Sellers

1
NMD

Novara Mark David

Officer: Evp & Chief Commercial Officer

189 shares2 transactions

$4K

Insider Activity Analysis

Net Insider Sentiment

Bullish

Strong bullish signal with $247K net buying. Insiders are aggressively accumulating shares, suggesting significant confidence in future prospects.

Buy/Sell Ratio

57.80:1

Exceptional buy/sell ratio. Buying dramatically outweighs selling—one of the strongest possible insider signals.

Recent Trend (3 Months)

$4K

Heavy recent selling activity. Recent insider sales notably exceed purchases—may warrant investigation into company developments.

Insider Participation

Moderate Buying

2 insider buyers vs. 1 sellers. More insiders buying than selling indicates positive sentiment.

Insider Activity Insight

Compelling insider conviction: The combination of strong buy/sell ratio and multiple buyers suggests insiders see attractive risk/reward. Consider this alongside fundamental analysis for confirmation.

SEC Filings

TNDM - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
DEF 14A

DEF 14A 2025

N/A

April 07, 2026
December 31, 2025
2025
DEF 14A

DEF 14A 2024

N/A

April 08, 2025
December 31, 2024
2024
DEF 14A

DEF 14A 2024

N/A

April 09, 2024
April 09, 2024
2024
DEF 14A

DEF 14A

N/A

April 12, 2023
April 12, 2023
 
DEF 14A

DEF 14A 2022

N/A

April 13, 2022
April 13, 2022
2022
DEF 14A

DEF 14A 2021

N/A

April 07, 2021
April 07, 2021
2021
DEF 14A

DEF 14A 2020

N/A

April 15, 2020
March 31, 2020
2020
DEF 14A

DEF 14A 2019

N/A

April 11, 2019
May 22, 2019
2019
DEF 14A

DEF 14A 2018

N/A

April 26, 2018
June 14, 2018
2018
DEF 14A

DEF 14A 2017

N/A

July 27, 2017
September 07, 2017
2017
Showing 1 to 10 of 14 filings