Sheridan John F
SEC CIK 1365369 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| TNDM | TANDEM DIABETES CARE INC | Pres, CEO, Dir | 165.3K | $277.1K | $1.61M | 73 | 2021-08-06 | 2026-08-15 |
Most active insiders at TNDM, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Novara Mark David | EVP, Chief COMMERCIAL Off | — | $4,356 |
| 2 | Malagueira Joao Paulo Falcao | Dir | — | — |
| 3 | Cha Myoungil | Dir | — | — |
| 4 | Hansen Shannon Marie | EVP, CLO | — | — |
| 5 | Gasser Elizabeth Anne | EVP, Chief Strategy Off | — | — |
| 6 | McGroddy-Goetz Kathleen | Dir | — | — |
| 7 | Kyrillos Jean-Claude | EVP, COO | — | — |
| 8 | Vosseller Leigh | EVP, CFO | — | — |
| 9 | Sodhi Rajwant | Dir | — | — |
| 10 | Morrison Susan | EVP, Chief Admin. Off | — | — |
| 14 | Sheridan John F | Pres, CEO, Dir | — | — |
Transactions 73
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-08-18 16:28 | 2026-08-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +15.9K | 165.3K | +11% | $0 |
| DM | 2026-08-18 16:28 | 2026-08-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $22.72 | -8,099 | 160.3K | -5% | -$184.0K |
| DM | 2026-05-19 16:06 | 2026-05-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +51.2K | 170.1K | +43% | $0 |
| DM | 2026-05-19 16:06 | 2026-05-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $12.82 | -24.8K | 151.1K | -14% | -$317.6K |
| D | 2026-05-19 16:06 | 2026-05-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | A - Grant | $10.90 | +1,336 | 152.4K | +0.9% | +$14.6K |
| DM | 2026-02-19 | 2026-02-17 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $18.95 | -4,363 | 121.1K | -3% | -$82.7K |
| DM | 2026-02-19 | 2026-02-17 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +11.5K | 123.1K | +10% | $0 |
| DM | 2025-11-19 | 2025-11-17 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $18.61 | -5,817 | 114.7K | -5% | -$108.3K |
| DM | 2025-11-19 | 2025-11-17 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +11.5K | 120.6K | +10% | $0 |
| DM | 2025-08-19 | 2025-08-15 | TNDM | TANDEM DIABETES CARE INC | 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 | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +11.5K | 111.8K | +11% | $0 |
| 2025-08-11 | 2025-08-11 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | P - Purchase | $10.23 | +10.0K | 106.3K | +10% | +$102.3K | |
| DM | 2025-05-19 | 2025-05-15 | TNDM | TANDEM DIABETES CARE INC | 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 | TANDEM DIABETES CARE INC | 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 | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | A - Grant | $15.64 | +1,359 | 80.4K | +2% | +$21.3K |
| DM | 2025-02-27 | 2025-02-25 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +32.8K | 66.4K | +98% | $0 |
| DM | 2025-02-27 | 2025-02-25 | TNDM | TANDEM DIABETES CARE INC | 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 | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +8,502 | 55.1K | +18% | $0 |
| DM | 2025-02-20 | 2025-02-18 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $33.47 | -3,182 | 54.8K | -5% | -$106.5K |
| DM | 2024-11-19 | 2024-11-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +8,499 | 56.7K | +18% | $0 |
| DM | 2024-11-19 | 2024-11-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $27.34 | -4,309 | 50.2K | -8% | -$117.8K |
| D | 2024-11-19 | 2024-11-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | A - Grant | $15.64 | +381 | 54.3K | +0.7% | +$5,959 |
| DM | 2024-08-19 | 2024-08-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $43.82 | -4,310 | 47.1K | -8% | -$188.9K |
| DM | 2024-08-19 | 2024-08-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +8,501 | 48.2K | +21% | $0 |
| D | 2024-05-28 | 2024-05-28 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +820 | 46.0K | +2% | $0 |
| D | 2024-05-28 | 2024-05-28 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $51.73 | -416 | 45.6K | -0.9% | -$21.5K |
| DM | 2024-05-17 | 2024-05-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $47.37 | -10.6K | 31.3K | -25% | -$502.6K |
| DM | 2024-05-17 | 2024-05-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +24.9K | 31.7K | +369% | $0 |
| D | 2024-05-17 | 2024-05-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | A - Grant | $15.64 | +978 | 30.9K | +3% | +$15.3K |
| D | 2024-02-29 | 2024-02-27 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +819 | 30.2K | +3% | $0 |
| D | 2024-02-29 | 2024-02-27 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $27.34 | -293 | 29.9K | -1.0% | -$8,011 |
| DM | 2024-02-20 | 2024-02-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +3,029 | 28.4K | +12% | $0 |
| DM | 2024-02-20 | 2024-02-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $24.29 | -1,242 | 29.4K | -4% | -$30.2K |
| D | 2023-11-29 | 2023-11-27 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $19.47 | -284 | 27.6K | -1% | -$5,529 |
| D | 2023-11-29 | 2023-11-27 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +820 | 27.9K | +3% | $0 |
| DM | 2023-11-17 | 2023-11-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $18.20 | -1,048 | 27.0K | -4% | -$19.1K |
| D | 2023-11-17 | 2023-11-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | A - Grant | $15.47 | +98 | 25.1K | +0.4% | +$1,516 |
| DM | 2023-11-17 | 2023-11-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +3,028 | 27.8K | +12% | $0 |
| D | 2023-08-30 | 2023-08-28 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +820 | 25.2K | +3% | $0 |
| D | 2023-08-30 | 2023-08-28 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $27.06 | -284 | 25.0K | -1% | -$7,685 |
| DM | 2023-08-17 | 2023-08-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +3,029 | 23.2K | +15% | $0 |
| DM | 2023-08-17 | 2023-08-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $28.88 | -1,048 | 23.0K | -4% | -$30.3K |
| D | 2023-05-30 | 2023-05-30 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $26.57 | -284 | 22.4K | -1% | -$7,546 |
| D | 2023-05-30 | 2023-05-30 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +820 | 22.7K | +4% | $0 |
| D | 2023-05-17 | 2023-05-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | A - Grant | $27.32 | +560 | 15.5K | +4% | +$15.3K |
| DM | 2023-05-17 | 2023-05-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +9,738 | 25.0K | +64% | $0 |
| DM | 2023-05-17 | 2023-05-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $32.13 | -3,369 | 21.9K | -13% | -$108.2K |
| D | 2023-03-01 | 2023-02-27 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +819 | 15.3K | +6% | $0 |
| D | 2023-03-01 | 2023-02-27 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $35.87 | -308 | 15.0K | -2% | -$11.0K |
| D | 2023-02-17 | 2023-02-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +792 | 14.8K | +6% | $0 |
| D | 2023-02-17 | 2023-02-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $43.11 | -323 | 14.5K | -2% | -$13.9K |
| D | 2022-11-30 | 2022-11-28 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $39.54 | -407 | 14.0K | -3% | -$16.1K |
| D | 2022-11-30 | 2022-11-28 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +820 | 14.4K | +6% | $0 |
| D | 2022-11-17 | 2022-11-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $42.27 | -394 | 13.6K | -3% | -$16.7K |
| D | 2022-11-17 | 2022-11-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +793 | 14.0K | +6% | $0 |
| D | 2022-08-31 | 2022-08-29 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +820 | 13.6K | +6% | $0 |
| D | 2022-08-31 | 2022-08-29 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $46.68 | -407 | 13.2K | -3% | -$19.0K |
| D | 2022-08-17 | 2022-08-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $55.25 | -393 | 12.8K | -3% | -$21.7K |
| D | 2022-08-17 | 2022-08-15 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +792 | 13.2K | +6% | $0 |
| D | 2022-06-01 | 2022-05-27 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $70.81 | -407 | 12.4K | -3% | -$28.8K |
| D | 2022-06-01 | 2022-05-27 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +820 | 12.8K | +7% | $0 |
| D | 2022-05-18 | 2022-05-16 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +3,170 | 13.2K | +32% | $0 |
| D | 2022-05-18 | 2022-05-16 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | A - Grant | $61.17 | +306 | 12.0K | +3% | +$18.7K |
| D | 2022-05-18 | 2022-05-16 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $73.85 | -1,572 | 11.7K | -12% | -$116.1K |
| 2022-05-10 | 2022-05-09 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | P - Purchase | $69.90 | +2,500 | 10.1K | +33% | +$174.8K | |
| D | 2022-03-02 | 2022-02-28 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +819 | 7,842 | +12% | $0 |
| D | 2022-03-02 | 2022-02-28 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $112.43 | -284 | 7,558 | -4% | -$31.9K |
| D | 2021-12-01 | 2021-11-29 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $129.66 | -407 | 7,023 | -5% | -$52.8K |
| D | 2021-12-01 | 2021-11-29 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +820 | 7,430 | +12% | $0 |
| D | 2021-08-31 | 2021-08-27 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | F - Tax | $110.31 | -407 | 6,610 | -6% | -$44.9K |
| D | 2021-08-31 | 2021-08-27 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $0.00 | +820 | 7,017 | +13% | $0 |
| DM | 2021-08-10 | 2021-08-06+ | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | M - OptEx | $17.03 | +14.9K | 15.8K | +1,708% | +$254.2K |
| DM | 2021-08-10 | 2021-08-06+ | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Pres, CEO, Dir | S - Sale+OE | $108.04 | -14.9K | 8,997 | -62% | -$1.61M |
Purchase Sale Sale after option exercise All abbreviations