How many insider trades does FilingIQ track for TNDM?

FilingIQ tracks 1,476 Form 4 insider transactions for TNDM (TANDEM DIABETES CARE INC), covering filings from May 15, 2015 onwards. 50 of those were filed in the last 90 days.

Are TNDM insiders net buyers or net sellers?

Across the full Form 4 history for TNDM, 42 transactions (3%) were open-market purchases and 319 (22%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does TNDM insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is TNDM in?

TANDEM DIABETES CARE INC (TNDM) is classified in the Healthcare sector, specifically Medical Devices, with a current market capitalisation of $1.96B.

TNDM insider trading

NasdaqGM Healthcare

TANDEM DIABETES CARE INC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

1,476

Last 90 days

Buys / sells

3% / 22%

Market cap

$1.96B

About TANDEM DIABETES CARE INC

Tandem Diabetes Care, Inc. designs, develops, and commercializes technology solutions for people living with diabetes in the United States and internationally. It's flagship products are the t:slim X2 insulin delivery system; and Tandem Mobi insulin pump, an automated insulin delivery system. The company 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, it 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 Sugarmate, a mobile app used to help people visualize diabetes therapy data. The company has collaboration agreement with the University of Virginia Center for Diabetes Technology for research and development of fully automated closed-loop insulin delivery systems. 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.

Company website: www.tandemdiabetes.com

TNDM insider activity at a glance

FilingIQ has scored 1,476 insider transactions for TNDM since May 15, 2015. The most recent filing in our index is dated Apr 15, 2026.

Across the full history, 42 open-market purchases and 319 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on TNDM insider trades is 59.1/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live TNDM trades on FilingIQ Raw filings on SEC EDGAR

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Frequently asked

How many insider trades does FilingIQ track for TNDM?: FilingIQ tracks 1,476 Form 4 insider transactions for TNDM (TANDEM DIABETES CARE INC), covering filings from May 15, 2015 onwards. 50 of those were filed in the last 90 days.
Are TNDM insiders net buyers or net sellers?: Across the full Form 4 history for TNDM, 42 transactions (3%) were open-market purchases and 319 (22%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does TNDM insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is TNDM in?: TANDEM DIABETES CARE INC (TNDM) is classified in the Healthcare sector, specifically Medical Devices, with a current market capitalisation of $1.96B.

Methodology & sources

Every TNDM insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.