TANDEM DIABETES CARE INC
TNDM
36 insider filings · Latest: Jun 2, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 17, 2026 | Jun 17 8:27 PM | MARK NOVARA | Proposed Sale | 361 | $16.69 | $6.0K | — | View → |
| May 19, 2026 | May 19 8:37 PM | MARK NOVARA | Proposed Sale | 266 | $13.53 | $3.6K | — | View → |
| Mar 17, 2026 | Mar 18 8:06 PM | Mark David NovaraEVP & CHIEF COMMERCIAL OFFICER | Sale | 187 | $23.05 | $4.3K | 37,656(D) | View → |
| Mar 17, 2026 | Mar 17 8:38 PM | MARK NOVARA | Proposed Sale | 187 | $21.91 | $4.1K | — | View → |
| Mar 5, 2026 | Mar 9 8:27 PM | Mark David NovaraEVP & CHIEF COMMERCIAL OFFICER | Sale | 2 | $22.81 | $46 | 35,969(D) | View → |
| Mar 5, 2026 | Mar 5 9:29 PM | MARK NOVARA | Proposed Sale | 2 | $23.41 | $47 | — | View → |
| Nov 21, 2024 | Nov 21 4:22 PM | BLICKENSTAFF KIM D | Proposed Sale | 30,000 | $30.00 | $900.0K | — | View → |
| Nov 20, 2024 | Nov 20 9:52 PM | BLICKENSTAFF KIM D | Proposed Sale | 10,000 | $120.00 | $1.2M | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | May 22 8:06 PM | Christopher J TwomeyDirector | Option Exercise | 8,759 | — | 0(D) | View → |
| May 20, 2026 | May 22 8:06 PM | Christopher J TwomeyDirector | Grant/Award | 10,220 | — | 10,220(D) | View → |
| May 21, 2026 | May 22 8:04 PM | Myoungil ChaDirector | Option Exercise | 8,759 | — | 0(D) | View → |
| May 20, 2026 | May 22 8:04 PM | Myoungil ChaDirector | Grant/Award | 10,220 | — | 10,220(D) | View → |
| May 15, 2026 | May 19 8:15 PM | Rick CarpenterEVP & Chief Technology Officer | Option Exercise | 8,774 | — | 12,878(D) | View → |
| May 15, 2026 | May 19 8:13 PM | Elizabeth Anne GasserEVP, Chief Strategy Officer | Option Exercise | 10,267 | — | 15,335(D) | View → |
| May 15, 2026 | May 19 8:12 PM | Shannon Marie HansenEVP & Chief Legal Officer | Option Exercise | 10,201 | — | 15,335(D) | View → |
| May 15, 2026 | May 19 8:10 PM | Jean-Claude KyrillosEVP & Chief Operating Officer | Option Exercise | 4,038 | — | 8,077(D) | View → |
| May 15, 2026 | May 19 8:08 PM | Susan MorrisonEVP & Chief Admin. Officer | Option Exercise | 9,523 | — | 13,845(D) | View → |
| May 15, 2026 | May 19 8:06 PM | John F SheridanDirector, PRESIDENT & CEO | Option Exercise | 51,189 | — | 79,471(D) | View → |
| May 15, 2026 | May 19 8:03 PM | Leigh VossellerEVP & CHIEF FINANCIAL OFFICER | Option Exercise | 13,495 | — | 20,992(D) | View → |
| May 15, 2026 | May 19 8:02 PM | Mark David NovaraEVP & CHIEF COMMERCIAL OFFICER | Option Exercise | 10,572 | — | 20,992(D) | View → |
| Apr 15, 2026 | Apr 17 8:10 PM | Jean-Claude KyrillosEVP & Chief Operating Officer | Option Exercise | 3,636 | — | 18,181(D) | View → |
| Mar 16, 2026 | Mar 18 8:06 PM | Mark David NovaraEVP & CHIEF COMMERCIAL OFFICER | Option Exercise | 7,414 | — | 22,244(D) | View → |
| Feb 17, 2026 | Feb 19 9:37 PM | Rick CarpenterChief Technology Officer | Option Exercise | 2,334 | — | 4,487(D) | View → |
| Feb 17, 2026 | Feb 19 9:37 PM | Elizabeth Anne GasserEVP, Chief Strategy Officer | Option Exercise | 2,600 | — | 5,484(D) | View → |
| Feb 17, 2026 | Feb 19 9:36 PM | Susan MorrisonEVP & Chief Admin. Officer | Option Exercise | 2,600 | — | 5,484(D) | View → |
| Feb 17, 2026 | Feb 19 9:36 PM | Mark David NovaraEVP & CHIEF COMMERCIAL OFFICER | Option Exercise | 77 | — | 380(D) | View → |
| Feb 17, 2026 | Feb 19 9:34 PM | John F SheridanDirector, PRESIDENT & CEO | Option Exercise | 11,454 | — | 29,911(D) | View → |
| Feb 17, 2026 | Feb 19 9:34 PM | Leigh VossellerEVP & CHIEF FINANCIAL OFFICER | Option Exercise | 2,998 | — | 7,478(D) | View → |