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NASDAQ: TNDM
Tandem Diabetes Care Inc Stock Ownership - Who owns Tandem Diabetes Care?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Tandem Diabetes Care Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Mark David NovaraEVP CHIEF COMMERCIAL OFFICER2025-03-172,739$19.17
$52.51kSell
Rick CarpenterChief Technology Officer2025-03-17146$19.17
$2.80kSell
Jeanclaude KyrillosEVP Chief Operating Officer2025-03-0710,538$18.12
$190.97kBuy
Elizabeth Anne GasserEVP Chief Strategy Officer2025-02-25739$33.34
$24.64kSell
Leigh VossellerEVP CHIEF FINANCIAL OFFICER2025-02-25494$33.34
$16.47kSell
Leigh VossellerEVP CHIEF FINANCIAL OFFICER2025-02-252,027$33.34
$67.58kSell
Elizabeth Anne GasserEVP Chief Strategy Officer2025-02-253,009$33.34
$100.32kSell
Susan MorrisonEVP Chief Admin. Officer2025-02-25395$33.34
$13.17kSell
John F. SheridanPRESIDENT CEO2025-02-2510,008$33.34
$333.67kSell
Susan MorrisonEVP Chief Admin. Officer2025-02-251,632$33.34
$54.41kSell

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Net Insider Buy/Sell (L12M) Ownership

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TNDM Shareholders

What type of owners hold Tandem Diabetes Care Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc17.60%11,697,824$204.36MInstitution
Vanguard Group Inc11.19%7,440,005$129.98MInstitution
Douglas A. Roeder5.55%3,688,625$64.44MInsider
Delphi Management Partners VIII LLC5.52%3,668,019$64.08MInsider
Brian K. Halak4.88%3,243,448$56.66MInsider
James C. Blair4.88%3,243,448$56.66MInsider
Nicole Vitullo4.88%3,243,448$56.66MInsider
Brian H. Dovey4.88%3,243,448$56.66MInsider
Jesse I. Treu4.88%3,243,448$56.66MInsider
Kathleen K. Schoemaker4.88%3,243,448$56.66MInsider

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TNDM vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TNDM65.92%34.08%Net SellingNet Selling
AHCO49.11%50.89%Net Selling
AORT78.14%21.86%Net SellingNet Selling
INMD63.91%0.00%
IART65.14%34.86%Net BuyingNet Selling
View Top Medical Device Stocks

Tandem Diabetes Care Stock Ownership FAQ

Who owns Tandem Diabetes Care?

Tandem Diabetes Care (NASDAQ: TNDM) is owned by 108.49% institutional shareholders, 56.10% Tandem Diabetes Care insiders, and 0.00% retail investors. Douglas A. Roeder is the largest individual Tandem Diabetes Care shareholder, owning 3.69M shares representing 5.55% of the company. Douglas A. Roeder's Tandem Diabetes Care shares are currently valued at $61.86M.

If you're new to stock investing, here's how to buy Tandem Diabetes Care stock.
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