TNDM Insider Trading

Insider Ownership Percentage: 1.90%
Insider Buying (Last 12 Months): $203,312.24
Insider Selling (Last 12 Months): $858,400.00

Tandem Diabetes Care Insider Trading History Chart

This chart shows the insider buying and selling history at Tandem Diabetes Care by year and by quarter.

Skip ChartChart Data in Insider Trading History Table
2022202320242025$0bought$0soldQ2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2-$1M$0$1MTotal Insider BuyingTotal Insider Selling

Tandem Diabetes Care Share Price & Price History

Current Price: $16.85
Price Change: Price Increase of +0.08 (0.48%)
As of 04/30/2025 05:00 PM ET

This chart shows the closing price history over time for TNDM up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365
JunJulAugSepOctNovDecJanFebMarApr$16.85Closing price on 04/30/25:

SEC Filings (Institutional Ownership Changes) for Tandem Diabetes Care (NASDAQ:TNDM)

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at TNDM by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table
2022202320242025$3.15Mbought$21MsoldQ2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2-$100M$0$100MTotal InflowsTotal Outflows
Tandem Diabetes Care logo
Tandem Diabetes Care, Inc., a medical device company, designs, develops, and commercializes technology solutions for people living with diabetes in the United States and internationally. The company's flagship product is the t:slim X2 insulin delivery system, a pump platform for managing insulin delivery and display continuous glucose monitoring sensor information directly on the pump home screen; and Tandem Mobi insulin pump, an automated insulin delivery system. It also sells single-use products, including cartridges for storing and delivering insulin, and infusion sets that connect the insulin pump to the user's body. In addition, the company offers Tandem Device Updater used to update the pump software from a personal computer; Tandem Source, a web-based data management platform, which provides a visual way to display diabetes therapy management data from the pumps, integrated CGMs, and supported blood glucose meters; and Sugarmate, a mobile app used to help people visualize diabetes therapy data. 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.
Read More on Tandem Diabetes Care

Today's Range

Now: $16.85
Low: $16.34
High: $17.03

50 Day Range

MA: $19.30
Low: $16.35
High: $33.59

52 Week Range

Now: $16.85
Low: $15.75
High: $53.69

Volume

1,710,739 shs

Average Volume

1,500,118 shs

Market Capitalization

$1.12 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.52

Who are the company insiders with the largest holdings of Tandem Diabetes Care?

Tandem Diabetes Care's top insider investors include:
  1. Kim D Blickenstaff (Director)
  2. Dick Allen (Director)
  3. Leigh Vosseller (CFO)
  4. Jean-Claude Kyrillos (COO)
  5. Kathleen Mcgroddy-Goetz (Director)
  6. Shannon Marie Hansen (Insider)
  7. Mark David Novara (EVP)
Learn More about top insider investors at Tandem Diabetes Care.

Who are the major institutional investors of Tandem Diabetes Care?

Tandem Diabetes Care's top institutional investors include:
  1. Brown Advisory Inc. — 1.39%
  2. Principal Financial Group Inc. — 0.60%
  3. Envestnet Asset Management Inc. — 0.48%
  4. KBC Group NV — 0.29%
  5. Cerity Partners LLC — 0.11%
  6. Oppenheimer Asset Management Inc. — 0.11%
Learn More about top institutional investors of Tandem Diabetes Care stock.

Which institutional investors are selling Tandem Diabetes Care stock?

In the last quarter, TNDM stock was sold by these institutional investors:
  1. Chicago Capital LLC
  2. Mirae Asset Global Investments Co. Ltd.
  3. MN Wealth Advisors LLC
  4. GAMMA Investing LLC
  5. State of Alaska Department of Revenue
In the last year, company insiders that have sold Tandem Diabetes Care company stock include:
  1. Kim D Blickenstaff (Director)
  2. Dick Allen (Director)
Learn More investors selling Tandem Diabetes Care stock.

Which institutional investors are buying Tandem Diabetes Care stock?

Within the last quarter, TNDM stock was acquired by institutional investors including:
  1. Envestnet Asset Management Inc.
  2. GAMMA Investing LLC
  3. Cerity Partners LLC
  4. SG Americas Securities LLC
  5. Brown Advisory Inc.
  6. Principal Financial Group Inc.
  7. Oppenheimer Asset Management Inc.
  8. Janney Montgomery Scott LLC
In the last year, these company insiders have bought Tandem Diabetes Care stock:
  1. Kim D Blickenstaff (Director)
  2. Dick Allen (Director)
  3. Leigh Vosseller (CFO)
  4. Jean-Claude Kyrillos (COO)
  5. Kathleen Mcgroddy-Goetz (Director)
  6. Shannon Marie Hansen (Insider)
Learn More investors buying Tandem Diabetes Care stock.