TANDEM DIABETES CARE INC (TNDM) has 254 open-market insider trades by 39 insiders since 2008. The most active filer is David B. Berger, COO & VP.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Kim D. Blickenstaff | Dir | — | 26 | $240.2M | 2024-11-21 |
| Douglas A. Roeder | Dir | — | 5 | $27.7M | 2022-05-18 |
| Brian B. Hansen | CCOVP | — | 16 | $27.2M | 2023-11-27 |
| Peter J. Barris | Dir | — | 5 | $25.8M | 2011-11-16 |
| Dixon Doll | Dir | — | 7 | $25.0M | 2010-05-04 |
| Iii-a L.p. Dcm | 10% | — | 1 | $24.8M | 2008-04-02 |
| Eugene A. Trainor III | 10% | — | 1 | $23.3M | 2008-04-02 |
| Susan Morrison | VP | — | 6 | $18.8M | 2026-08-15 |
| Leigh Vosseller | CFOVP | — | 19 | $17.7M | 2026-08-15 |
| John F. Sheridan | CEOPres | — | 14 | $16.9M | 2026-08-15 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Mark David Novara | CCO & VP | Sell | $4K | 2026-03-17 |
| Mark David Novara | EVP & CHIEF COMMERCIAL OFFICER | Sell | $46 | 2026-03-05 |
| John F. Sheridan | CEO & President | Buy | $102K | 2025-08-11 |
| Leigh Vosseller | CFO & VP | Buy | $299K | 2025-08-08 |
| Jean-Claude Kyrillos | COO & VP | Buy | $382K | 2025-03-07 |
| Kim D. Blickenstaff | Director | Sell | $1.2M |
Companies that share insiders with TNDM, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2024-11-20 |
| Mark David Novara | EVP & CHIEF COMMERCIAL OFFICER | Buy | $12K | 2024-11-15 |
| Dick Allen | Director | Sell | $258K | 2024-05-30 |
| Dick Allen | Director | Buy | $95K | 2023-11-27 |
| Shannon Marie Hansen | CLO | Buy | $30K | 2023-11-08 |
| Leigh Vosseller | CFO & VP | Buy | $95K | 2023-11-08 |
| Kathleen McGroddy-Goetz | Director | Buy | $21K | 2023-09-15 |
| Dick Allen | Director | Buy | $295K | 2023-05-18 |
| Peyton R. Howell | Director | Buy | $90K | 2023-05-17 |
| Leigh Vosseller | CFO & VP | Buy | $198K | 2023-05-12 |