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TNDM · Tandem Diabetes Care Inc · Insider Trading

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$16.31 -0.26 (-1.57%) At close · Sep 30
Market Cap
$1.09B
Shares
69.58M
Volume · Sep 30 2.2M Avg daily vol (3M) 1.94M

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.

Date Insider Type Shares
2026-08-15
Carpenter Rick
Tax↓
820
2026-08-15
Vosseller Leigh
Tax↓
537
2026-08-15
Kyrillos Jean-Claude
Convert↑
1,010
2026-08-15
Sheridan John F
Convert↑
9,934
2026-08-15
Gasser Elizabeth Anne
Convert↑
1,097
2026-08-15
Vosseller Leigh
Convert↓
1,496
2026-08-15
Carpenter Rick
Tax↓
457
2026-08-15
Morrison Susan
Convert↑
1,097
2026-08-15
Morrison Susan
Convert↓
1,097
2026-08-15
Gasser Elizabeth Anne
Convert↓
1,097
2026-08-15
Sheridan John F
Convert↑
5,982
2026-08-15
Vosseller Leigh
Convert↑
2,624
2026-08-15
Kyrillos Jean-Claude
Tax↓
535
2026-08-15
Morrison Susan
Tax↓
495
2026-08-15
Carpenter Rick
Convert↑
897
2026-08-15
Gasser Elizabeth Anne
Convert↑
1,917
2026-08-15
Morrison Susan
Convert↑
1,730
2026-08-15
Vosseller Leigh
Tax↓
942
2026-08-15
Sheridan John F
Tax↓
5,055
2026-08-15
Morrison Susan
Tax↓
314
2026-08-15
Carpenter Rick
Convert↑
1,610
2026-08-15
Hansen Shannon Marie
Convert↑
1,917
2026-08-15
Vosseller Leigh
Convert↑
1,496
2026-08-15
Gasser Elizabeth Anne
Convert↓
1,917
2026-08-15
Gasser Elizabeth Anne
Tax↓
589
2026-08-15
Sheridan John F
Convert↓
9,934
2026-08-15
Morrison Susan
Convert↓
1,730
2026-08-15
Sheridan John F
Convert↓
5,982
2026-08-15
Hansen Shannon Marie
Convert↓
1,097
2026-08-15
Carpenter Rick
Convert↓
897
2026-08-15
Carpenter Rick
Convert↓
1,610
2026-08-15
Hansen Shannon Marie
Tax↓
559
2026-08-15
Hansen Shannon Marie
Tax↓
976
2026-08-15
Vosseller Leigh
Convert↓
2,624
2026-08-15
Sheridan John F
Tax↓
3,044
2026-08-15
Hansen Shannon Marie
Convert↓
1,917
2026-08-15
Gasser Elizabeth Anne
Tax↓
1,029
2026-08-15
Kyrillos Jean-Claude
Convert↓
1,010
2026-08-15
Hansen Shannon Marie
Convert↑
1,097
2026-07-15
Kyrillos Jean-Claude
Convert↓
3,636
2026-07-15
Kyrillos Jean-Claude
Convert↑
3,636
2026-07-15
Kyrillos Jean-Claude
Tax↓
1,926
2026-06-02
Gasser Elizabeth Anne
Gift↑
7,160
2026-06-02
Gasser Elizabeth Anne
Gift↓
7,160
2026-05-29
Kyrillos Jean-Claude
Award↑
29,136
2026-05-29
Vosseller Leigh
Award↑
62,657
2026-05-29
Sheridan John F
Award↑
191,103
2026-05-29
Morrison Susan
Award↑
29,136
2026-05-29
Carpenter Rick
Award↑
26,003
2026-05-29
Gasser Elizabeth Anne
Award↑
29,136
Legend Buy — open-market purchase Sell — open-market sale ↑ Shares acquired ↓ Shares disposed (gift, conversion, tax…)
Showing 1–50 of 2,054 transactions
Key facts CIK 1438133 CUSIP 875372203 13F (30d) 14 filings 8 filers Visit website Investor relations