Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-05-05 10:48 am Purchase | 2026-03-31 | 13G | TANDEM DIABETES CARE INC N TNDM | Voya Financial Inc. VOYA | 4,343,683 6.300% | 4,343,683 (New Position) | Filing History |
| 2026-04-30 2:07 pm Purchase | 2026-03-31 | 13G | TANDEM DIABETES CARE INC N TNDM | VANGUARD CAPITAL MANAGEMENT LLC | 3,553,772 5.180% | 3,553,772 (New Position) | Filing History |
| 2026-04-29 3:21 pm Purchase | 2026-03-31 | 13G | TANDEM DIABETES CARE INC N TNDM | VANGUARD PORTFOLIO MANAGEMENT LLC | 4,052,274 5.910% | 4,052,274 (New Position) | Filing History |
| 2026-03-27 1:18 pm Sale | 2026-03-13 | 13G | TANDEM DIABETES CARE INC N TNDM | VANGUARD GROUP INC | 0 0.000% | -7,021,906 (Position Closed) | Filing History |
| 2026-02-17 4:37 pm Sale | 2025-12-31 | 13G | TANDEM DIABETES CARE INC N TNDM | ArrowMark Colorado Holdings LLC | 2,889,691 4.260% | -801,507 (-21.71%) | Filing History |
| 2025-11-13 09:01 am Purchase | 2025-09-30 | 13G | TANDEM DIABETES CARE INC N TNDM | ArrowMark Colorado Holdings LLC | 3,691,198 5.460% | 3,691,198 (New Position) | Filing History |
| 2025-05-15 4:13 pm Purchase | 2025-03-31 | 13G | TANDEM DIABETES CARE INC N TNDM | Sessa Capital (Master), L.P. | 4,466,307 6.710% | 4,466,307 (New Position) | Filing History |
| 2025-04-29 12:19 pm Sale | 2025-03-31 | 13G | TANDEM DIABETES CARE INC N TNDM | BlackRock Inc. BLK | 10,106,682 15.200% | -1,321,569 (-11.56%) | Filing History |
| 2024-11-14 4:15 pm Sale | 2024-09-30 | 13G | TANDEM DIABETES CARE INC N TNDM | Eminence Capital, LP | 0 0.000% | -5,170,451 (Position Closed) | Filing History |
| 2024-11-08 5:31 pm Purchase | 2024-09-30 | 13G | TANDEM DIABETES CARE INC N TNDM | BlackRock Inc. BLK | 11,428,251 17.000% | 317,606 (+2.86%) | Filing History |
| 2024-10-18 3:31 pm Purchase | 2024-09-30 | 13G | TANDEM DIABETES CARE INC N TNDM | BlackRock Inc. BLK | 11,110,645 17.000% | 1,851,458 (+20.00%) | Filing History |
| 2024-09-09 10:40 am Sale | 2024-09-09 | 13G | TANDEM DIABETES CARE INC N TNDM | Capital World Investors | 3,265,300 5.000% | -3,271,478 (-50.05%) | Filing History |
| 2024-02-14 07:37 am Purchase | 2023-12-31 | 13G | TANDEM DIABETES CARE INC N TNDM | Eminence Capital, LP | 5,170,451 7.900% | 5,170,451 (New Position) | Filing History |
| 2024-02-13 5:15 pm Sale | 2023-12-29 | 13G | TANDEM DIABETES CARE INC N TNDM | VANGUARD GROUP INC | 7,021,906 10.770% | -25,571 (-0.36%) | Filing History |
| 2024-02-09 6:21 pm Purchase | 2024-02-07 | 13G | TANDEM DIABETES CARE INC N TNDM | Capital World Investors | 6,536,778 10.000% | 63,586 (+0.98%) | Filing History |
| 2024-02-09 09:49 am Sale | 2024-02-08 | 13G | TANDEM DIABETES CARE INC N TNDM | FMR LLC | 2,977,273 4.565% | -3,076,997 (-50.82%) | Filing History |
| 2024-01-23 11:52 am Purchase | 2023-12-31 | 13G | TANDEM DIABETES CARE INC N TNDM | BlackRock Inc. BLK | 9,259,187 14.200% | 52,307 (+0.57%) | Filing History |
| 2023-06-12 08:21 am Sale | 2023-06-09 | 13G | TANDEM DIABETES CARE INC N TNDM | FMR LLC | 6,054,270 9.368% | -3,591,022 (-37.23%) | Filing History |
| 2023-05-10 1:46 pm Purchase | 2023-05-10 | 13G | TANDEM DIABETES CARE INC N TNDM | Capital World Investors | 6,473,192 10.000% | 1,494,668 (+30.02%) | Filing History |
| 2023-04-10 1:39 pm Purchase | 2023-03-31 | 13G | TANDEM DIABETES CARE INC N TNDM | VANGUARD GROUP INC | 7,047,477 10.920% | 920,248 (+15.02%) | Filing History |