TANDEM DIABETES CARE INC (TNDM) has 8 SEC Form 4 insider filings on record in the last 90 days. Most recent filing: Aug. 18, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Aug. 18, 2026 filed Aug. 15, 2026 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | — | +2,641 | +17% | No | |
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| Aug. 18, 2026 filed Aug. 15, 2026 | Morrison Susan EVP & Chief Admin. Officer | — | +2,018 | +20% | No | |
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| Aug. 18, 2026 filed Aug. 15, 2026 | Sheridan John F PRESIDENT & CEO | — | +7,817 | +13% | No | |
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| Aug. 18, 2026 filed Aug. 15, 2026 | Kyrillos Jean-Claude EVP & Chief Operating Officer | — | +475 | +7% | No | |
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| Aug. 18, 2026 filed Aug. 15, 2026 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | — | +1,396 | +12% | No | |
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Showing the 5 most recent of 8 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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