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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

TNDM

TANDEM DIABETES CARE INC

Superinvestors

Institutional investors holding TNDM

Consensus →
InvestorFundWeightSharesValueQuarter
Meridian / ArrowMarkMeridian Contrarian Fund1.58%3,103,609$59.5M2026Q1

Congressional Activity

Congressional data coming soon

Insider Activity

22

Total trades

$725K

Volume

5

Buys

8

Sells

Last trade: May 29, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
May 29, 2026Rick CarpenterBuy–
May 20, 2026Dick AllenOption–

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.

May 20, 2026
Dick Allen
Buy
–
May 20, 2026Sandra BeaverBuy–
May 20, 2026Myoungil ChaOption–
May 20, 2026Myoungil ChaBuy–
May 15, 2026Rick CarpenterOption–
May 15, 2026Rick CarpenterSell$9K
May 15, 2026Rick CarpenterOption–
May 15, 2026Rick CarpenterSell$6K
May 15, 2026Rick CarpenterOption–
May 15, 2026Rick CarpenterSell$42K
May 15, 2026Rick CarpenterBuy$15K