TNDM TANDEM DIABETES CARE INC
Nasdaq · SEC CIK 1438133 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $4,356 2 sales by 1 insiders
- Filings on record
- 418 since 2021-07-29, latest 2026-08-18 16:28
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Novara Mark David | EVP, Chief COMMERCIAL Off | — | $4,356 |
| Malagueira Joao Paulo Falcao | Dir | — | — |
| Cha Myoungil | Dir | — | — |
| Hansen Shannon Marie | EVP, CLO | — | — |
| Gasser Elizabeth Anne | EVP, Chief Strategy Off | — | — |
| McGroddy-Goetz Kathleen | Dir | — | — |
| Kyrillos Jean-Claude | EVP, COO | — | — |
| Vosseller Leigh | EVP, CFO | — | — |
| Sodhi Rajwant | Dir | — | — |
| Morrison Susan | EVP, Chief Admin. Off | — | — |
Transactions 709
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-09-16 | 2025-09-15 | TNDM | Carpenter Rick | CTO | F - Tax | $12.09 | -207 | 22.6K | -0.9% | -$2,503 |
| D | 2025-08-19 | 2025-08-15 | TNDM | Novara Mark David | EVP, Chief COMMERCIAL Off | M - OptEx | $0.00 | +76 | 28.8K | +0.3% | $0 |
| D | 2025-08-19 | 2025-08-15 | TNDM | Novara Mark David | EVP, Chief COMMERCIAL Off | F - Tax | $10.82 | -40 | 28.8K | -0.1% | -$432.80 |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Vosseller Leigh | EVP, CFO | M - OptEx | $0.00 | +2,998 | 35.3K | +9% | $0 |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Vosseller Leigh | EVP, CFO | F - Tax | $10.82 | -1,073 | 35.7K | -3% | -$11.6K |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Morrison Susan | EVP, Chief Admin. Off | M - OptEx | $0.00 | +2,600 | 39.4K | +7% | $0 |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Morrison Susan | EVP, Chief Admin. Off | F - Tax | $10.82 | -744 | 39.1K | -2% | -$8,050 |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Sheridan John F | Pres, CEO, Dir | F - Tax | $10.82 | -5,817 | 112.0K | -5% | -$62.9K |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +11.5K | 111.8K | +11% | $0 |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Carpenter Rick | CTO | M - OptEx | $0.00 | +2,335 | 22.7K | +11% | $0 |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Carpenter Rick | CTO | F - Tax | $10.82 | -1,187 | 21.9K | -5% | -$12.8K |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | M - OptEx | $0.00 | +2,600 | 1,503 | New | $0 |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | F - Tax | $10.82 | -1,393 | 1,207 | -54% | -$15.1K |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Hansen Shannon Marie | EVP, CLO | M - OptEx | $0.00 | +3,065 | 17.3K | +22% | $0 |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Hansen Shannon Marie | EVP, CLO | F - Tax | $10.82 | -1,098 | 18.7K | -6% | -$11.9K |
| I | 2025-08-11 | 2025-08-08 | TNDM | Vosseller Leigh | EVP, CFO | P - Purchase | $10.89 | +13.7K | 25.6K | +116% | +$149.4K |
| 2025-08-11 | 2025-08-11 | TNDM | Sheridan John F | Pres, CEO, Dir | P - Purchase | $10.23 | +10.0K | 106.3K | +10% | +$102.3K | |
| D | 2025-07-17 | 2025-07-15 | TNDM | Kyrillos Jean-Claude | EVP, COO | M - OptEx | $0.00 | +14.5K | 25.3K | +136% | $0 |
| D | 2025-07-17 | 2025-07-15 | TNDM | Kyrillos Jean-Claude | EVP, COO | F - Tax | $15.20 | -5,205 | 20.0K | -21% | -$79.1K |
| D | 2025-06-18 | 2025-06-16 | TNDM | Malagueira Joao Paulo Falcao | Dir | M - OptEx | $0.00 | +1,749 | 13.7K | +15% | $0 |
| D | 2025-06-18 | 2025-06-16 | TNDM | Cha Myoungil | Dir | M - OptEx | $0.00 | +1,749 | 13.7K | +15% | $0 |
| D | 2025-06-18 | 2025-06-16 | TNDM | Novara Mark David | EVP, Chief COMMERCIAL Off | M - OptEx | $0.00 | +7,414 | 32.6K | +29% | $0 |
| D | 2025-06-18 | 2025-06-16 | TNDM | Novara Mark David | EVP, Chief COMMERCIAL Off | F - Tax | $20.76 | -3,846 | 28.8K | -12% | -$79.8K |
| D | 2025-06-18 | 2025-06-16 | TNDM | Carpenter Rick | CTO | F - Tax | $20.76 | -207 | 21.2K | -1.0% | -$4,297 |
| D | 2025-06-18 | 2025-06-16 | TNDM | Carpenter Rick | CTO | M - OptEx | $0.00 | +406 | 21.4K | +2% | $0 |
| I | 2025-06-04 | 2025-06-02 | TNDM | Allen Dick | Dir | G - Gift | $19.88 | -1,000 | 0 | -100% | -$19.9K |
| 2025-06-02 | 2025-05-29 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | J - Other | $0.00 | -11.2K | 0 | -100% | $0 | |
| I | 2025-06-02 | 2025-05-29 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | J - Other | $0.00 | +11.2K | 22.9K | +95% | $0 |
| D | 2025-05-23 | 2025-05-22 | TNDM | Cha Myoungil | Dir | M - OptEx | $20.64 | +4,387 | 11.9K | +58% | +$90.5K |
| D | 2025-05-23 | 2025-05-22 | TNDM | Sodhi Rajwant | Dir | M - OptEx | $20.64 | +4,387 | 15.5K | +39% | +$90.5K |
| D | 2025-05-23 | 2025-05-22 | TNDM | Allen Dick | Dir | M - OptEx | $20.64 | +4,387 | 19.4K | +29% | +$90.5K |
| D | 2025-05-23 | 2025-05-22 | TNDM | Malagueira Joao Paulo Falcao | Dir | M - OptEx | $20.64 | +4,387 | 11.9K | +58% | +$90.5K |
| D | 2025-05-23 | 2025-05-22 | TNDM | ROBERTSON REBECCA B | Dir | M - OptEx | $20.64 | +4,387 | 13.8K | +47% | +$90.5K |
| D | 2025-05-23 | 2025-05-22 | TNDM | Howell Peyton R | Dir | M - OptEx | $20.64 | +4,387 | 21.1K | +26% | +$90.5K |
| D | 2025-05-23 | 2025-05-22 | TNDM | McGroddy-Goetz Kathleen | Dir | M - OptEx | $20.64 | +4,387 | 17.9K | +33% | +$90.5K |
| D | 2025-05-23 | 2025-05-22 | TNDM | TWOMEY CHRISTOPHER J | Dir | M - OptEx | $20.64 | +4,387 | 15.7K | +39% | +$90.5K |
| DM | 2025-05-19 | 2025-05-15 | TNDM | Morrison Susan | EVP, Chief Admin. Off | M - OptEx | $0.00 | +6,526 | 38.5K | +20% | $0 |
| D | 2025-05-19 | 2025-05-15 | TNDM | Morrison Susan | EVP, Chief Admin. Off | A - Grant | $15.64 | +1,359 | 32.5K | +4% | +$21.3K |
| DM | 2025-05-19 | 2025-05-15 | TNDM | Morrison Susan | EVP, Chief Admin. Off | F - Tax | $22.70 | -1,868 | 34.1K | -5% | -$42.4K |
| D | 2025-05-19 | 2025-05-15 | TNDM | Novara Mark David | EVP, Chief COMMERCIAL Off | M - OptEx | $0.00 | +304 | 25.3K | +1% | $0 |
| D | 2025-05-19 | 2025-05-15 | TNDM | Novara Mark David | EVP, Chief COMMERCIAL Off | F - Tax | $22.70 | -113 | 25.2K | -0.4% | -$2,565 |
| D | 2025-05-19 | 2025-05-15 | TNDM | Novara Mark David | EVP, Chief COMMERCIAL Off | A - Grant | $19.30 | +870 | 25.0K | +4% | +$16.8K |
| 2025-05-19 | 2025-05-15 | TNDM | Kyrillos Jean-Claude | EVP, COO | A - Grant | $19.30 | +171 | 10.7K | +2% | +$3,300 | |
| DM | 2025-05-19 | 2025-05-15 | TNDM | Sheridan John F | Pres, CEO, Dir | M - OptEx | $3.83 | +32.4K | 81.2K | +67% | +$124.2K |
| DM | 2025-05-19 | 2025-05-15 | TNDM | Sheridan John F | Pres, CEO, Dir | F - Tax | $22.70 | -16.5K | 96.3K | -15% | -$373.9K |
| D | 2025-05-19 | 2025-05-15 | TNDM | Sheridan John F | Pres, CEO, Dir | A - Grant | $15.64 | +1,359 | 80.4K | +2% | +$21.3K |
| DM | 2025-05-19 | 2025-05-15 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | M - OptEx | $0.00 | +6,526 | 8,332 | +361% | $0 |
| DM | 2025-05-19 | 2025-05-15 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | F - Tax | $22.70 | -3,496 | 8,245 | -30% | -$79.4K |
| D | 2025-05-19 | 2025-05-15 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | A - Grant | $15.64 | +1,147 | 8,170 | +16% | +$17.9K |
| DM | 2025-05-19 | 2025-05-15 | TNDM | Hansen Shannon Marie | EVP, CLO | F - Tax | $22.70 | -2,275 | 16.7K | -12% | -$51.6K |
| DM | 2025-05-19 | 2025-05-15 | TNDM | Hansen Shannon Marie | EVP, CLO | M - OptEx | $0.00 | +6,355 | 13.2K | +93% | $0 |
| DM | 2025-05-19 | 2025-05-15 | TNDM | Carpenter Rick | CTO | M - OptEx | $0.00 | +5,622 | 19.2K | +41% | $0 |
| DM | 2025-05-19 | 2025-05-15 | TNDM | Carpenter Rick | CTO | F - Tax | $22.70 | -2,014 | 18.7K | -10% | -$45.7K |
| D | 2025-05-19 | 2025-05-15 | TNDM | Carpenter Rick | CTO | A - Grant | $15.64 | +1,020 | 17.4K | +6% | +$16.0K |
| DM | 2025-05-19 | 2025-05-15 | TNDM | Vosseller Leigh | EVP, CFO | F - Tax | $22.70 | -2,907 | 28.7K | -9% | -$66.0K |
| DM | 2025-05-19 | 2025-05-15 | TNDM | Vosseller Leigh | EVP, CFO | M - OptEx | $0.00 | +8,121 | 28.7K | +39% | $0 |
| D | 2025-05-19 | 2025-05-15 | TNDM | Vosseller Leigh | EVP, CFO | A - Grant | $15.64 | +1,359 | 28.6K | +5% | +$21.3K |
| D | 2025-03-19 | 2025-03-17 | TNDM | Carpenter Rick | CTO | M - OptEx | $0.00 | +406 | 16.5K | +3% | $0 |
| D | 2025-03-19 | 2025-03-17 | TNDM | Carpenter Rick | CTO | F - Tax | $19.17 | -146 | 16.4K | -0.9% | -$2,799 |
| D | 2025-03-19 | 2025-03-17 | TNDM | Novara Mark David | EVP, Chief COMMERCIAL Off | M - OptEx | $0.00 | +7,415 | 26.9K | +38% | $0 |
| D | 2025-03-19 | 2025-03-17 | TNDM | Novara Mark David | EVP, Chief COMMERCIAL Off | F - Tax | $19.17 | -2,739 | 24.1K | -10% | -$52.5K |
| 2025-03-11 | 2025-03-07 | TNDM | Kyrillos Jean-Claude | EVP, COO | P - Purchase | $18.12 | +10.5K | 10.5K | New | +$190.9K | |
| DM | 2025-02-27 | 2025-02-25 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | F - Tax | $33.34 | -3,748 | 4,509 | -45% | -$125.0K |
| DM | 2025-02-27 | 2025-02-25 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | M - OptEx | $0.00 | +6,903 | 5,248 | New | $0 |
| DM | 2025-02-27 | 2025-02-25 | TNDM | Morrison Susan | EVP, Chief Admin. Off | F - Tax | $33.34 | -2,027 | 27.3K | -7% | -$67.6K |
| DM | 2025-02-27 | 2025-02-25 | TNDM | Morrison Susan | EVP, Chief Admin. Off | M - OptEx | $0.00 | +6,903 | 27.7K | +33% | $0 |
| DM | 2025-02-27 | 2025-02-25 | TNDM | Vosseller Leigh | EVP, CFO | F - Tax | $33.34 | -2,521 | 27.2K | -8% | -$84.1K |
| DM | 2025-02-27 | 2025-02-25 | TNDM | Vosseller Leigh | EVP, CFO | M - OptEx | $0.00 | +6,903 | 29.3K | +31% | $0 |
| DM | 2025-02-27 | 2025-02-25 | TNDM | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +32.8K | 66.4K | +98% | $0 |
| DM | 2025-02-27 | 2025-02-25 | TNDM | Sheridan John F | Pres, CEO, Dir | F - Tax | $33.34 | -13.4K | 79.0K | -15% | -$447.7K |
| DM | 2025-02-20 | 2025-02-18 | TNDM | Vosseller Leigh | EVP, CFO | M - OptEx | $0.00 | +2,141 | 23.5K | +10% | $0 |
| DM | 2025-02-20 | 2025-02-18 | TNDM | Vosseller Leigh | EVP, CFO | F - Tax | $33.47 | -880 | 22.8K | -4% | -$29.5K |
| DM | 2025-02-20 | 2025-02-18 | TNDM | Hansen Shannon Marie | EVP, CLO | M - OptEx | $0.00 | +1,969 | 12.0K | +20% | $0 |
| DM | 2025-02-20 | 2025-02-18 | TNDM | Hansen Shannon Marie | EVP, CLO | F - Tax | $33.47 | -810 | 11.8K | -6% | -$27.1K |
| DM | 2025-02-20 | 2025-02-18 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | M - OptEx | $0.00 | +2,141 | 4,754 | +82% | $0 |
| DM | 2025-02-20 | 2025-02-18 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | F - Tax | $33.47 | -1,261 | 3,250 | -28% | -$42.2K |
| DM | 2025-02-20 | 2025-02-18 | TNDM | Morrison Susan | EVP, Chief Admin. Off | M - OptEx | $0.00 | +2,141 | 25.1K | +9% | $0 |
| DM | 2025-02-20 | 2025-02-18 | TNDM | Morrison Susan | EVP, Chief Admin. Off | F - Tax | $33.47 | -727 | 25.0K | -3% | -$24.3K |
| DM | 2025-02-20 | 2025-02-18 | TNDM | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +8,502 | 55.1K | +18% | $0 |
| DM | 2025-02-20 | 2025-02-18 | TNDM | Sheridan John F | Pres, CEO, Dir | F - Tax | $33.47 | -3,182 | 54.8K | -5% | -$106.5K |
| DM | 2025-02-20 | 2025-02-18 | TNDM | Carpenter Rick | CTO | M - OptEx | $0.00 | +2,033 | 15.5K | +15% | $0 |
| DM | 2025-02-20 | 2025-02-18 | TNDM | Carpenter Rick | CTO | F - Tax | $33.47 | -836 | 16.1K | -5% | -$28.0K |
| D | 2024-12-18 | 2024-12-16 | TNDM | Carpenter Rick | CTO | M - OptEx | $0.00 | +406 | 15.1K | +3% | $0 |
| D | 2024-12-18 | 2024-12-16 | TNDM | Carpenter Rick | CTO | F - Tax | $32.66 | -145 | 14.9K | -1.0% | -$4,736 |
| D | 2024-12-18 | 2024-12-16 | TNDM | Novara Mark David | EVP, Chief COMMERCIAL Off | M - OptEx | $0.00 | +29.7K | 30.2K | +5,575% | $0 |
| D | 2024-12-18 | 2024-12-16 | TNDM | Novara Mark David | EVP, Chief COMMERCIAL Off | F - Tax | $32.66 | -10.7K | 19.5K | -36% | -$350.5K |
| MI | 2024-11-22 | 2024-11-20+ | TNDM | BLICKENSTAFF KIM D | Dir | S - Sale | $31.04 | -40.0K | 165.2K | -19% | -$1.24M |
| 2024-11-19 | 2024-11-15 | TNDM | Novara Mark David | EVP, Chief COMMERCIAL Off | P - Purchase | $23.24 | +532 | 532 | New | +$12.4K | |
| DM | 2024-11-19 | 2024-11-15 | TNDM | Hansen Shannon Marie | EVP, CLO | M - OptEx | $0.00 | +1,967 | 11.5K | +21% | $0 |
| DM | 2024-11-19 | 2024-11-15 | TNDM | Hansen Shannon Marie | EVP, CLO | F - Tax | $27.34 | -703 | 10.9K | -6% | -$19.2K |
| D | 2024-11-19 | 2024-11-15 | TNDM | Hansen Shannon Marie | EVP, CLO | A - Grant | $15.64 | +561 | 11.5K | +5% | +$8,774 |
| DM | 2024-11-19 | 2024-11-15 | TNDM | Vosseller Leigh | EVP, CFO | F - Tax | $27.34 | -765 | 20.3K | -4% | -$20.9K |
| DM | 2024-11-19 | 2024-11-15 | TNDM | Vosseller Leigh | EVP, CFO | M - OptEx | $0.00 | +2,140 | 20.8K | +11% | $0 |
| D | 2024-11-19 | 2024-11-15 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | A - Grant | $15.64 | +619 | 2,988 | +26% | +$9,681 |
| DM | 2024-11-19 | 2024-11-15 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | F - Tax | $27.34 | -1,145 | 2,073 | -36% | -$31.3K |
| DM | 2024-11-19 | 2024-11-15 | TNDM | Gasser Elizabeth Anne | EVP, Chief Strategy Off | M - OptEx | $0.00 | +2,140 | 2,877 | +290% | $0 |
| DM | 2024-11-19 | 2024-11-15 | TNDM | Morrison Susan | EVP, Chief Admin. Off | F - Tax | $27.34 | -613 | 24.9K | -2% | -$16.8K |
| DM | 2024-11-19 | 2024-11-15 | TNDM | Morrison Susan | EVP, Chief Admin. Off | M - OptEx | $0.00 | +2,140 | 24.0K | +10% | $0 |
| DM | 2024-11-19 | 2024-11-15 | TNDM | Carpenter Rick | CTO | M - OptEx | $0.00 | +2,033 | 14.6K | +16% | $0 |
| DM | 2024-11-19 | 2024-11-15 | TNDM | Carpenter Rick | CTO | F - Tax | $27.34 | -726 | 14.1K | -5% | -$19.8K |
Purchase Sale Sale after option exercise All abbreviations