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$TNDM All transactions

TANDEM DIABETES CARE INC

▲ BUY
9 / 10

Conviction

$ Value

$149K

Shares

13,720

Price

$11

Filed

Aug 11

Why this score? (9/10)
  • Open market buy (+3)
  • % of holdings >= 50% (+3)
  • C-suite insider (+2)
  • Not a 10b5-1 plan (+1)

Insider

Name

Vosseller Leigh

Title

EVP & CHIEF FINANCIAL OFFICER

CIK

0001726322

Roles

Officer

Transaction Details

Transaction Date

2025-08-08

Code

P

Table

Non-Derivative

Ownership

Indirect

Equity Swap

No

Shares After

25,580

Footnotes

This transaction was executed in multiple trades at prices ranging from $10.86 to $10.90 per share. The reported price reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. | The securities are held by the Leigh A. Vosseller Trust dated January 17, 2010, of which Leigh Vosseller is the Trustee.

Filing Info

Accession No.

0001438133-25-000163

Form Type

4

Issuer CIK

0001438133

Vosseller Leigh's History

Date Ticker Type Value
2026-02-17 TNDM M $0
2026-02-17 TNDM F $12K
2026-02-17 TNDM M $0
2026-02-17 TNDM F $12K
2026-02-17 TNDM M $0
2026-02-17 TNDM M $0
2025-11-17 TNDM M $0
2025-11-17 TNDM F $10K
2025-11-17 TNDM M $0
2025-11-17 TNDM F $10K

Other Insiders at TNDM (90d)

Insider Bought Sold Last
Sheridan John F
PRESIDENT & CEO
2026-02-17
Carpenter Rick
Chief Technology Officer
2026-02-17
Morrison Susan
EVP & Chief Admin. Officer
2026-02-17
Vosseller Leigh
EVP & CHIEF FINANCIAL OFFICER
2026-02-17
Kyrillos Jean-Claude
EVP & Chief Operating Officer
2026-04-15
Gasser Elizabeth Anne
EVP, Chief Strategy Officer
2026-02-17
Hansen Shannon Marie
EVP & Chief Legal Officer
2026-02-17
Novara Mark David
EVP & CHIEF COMMERCIAL OFFICER
$4K 2026-03-17