ArrowMark Colorado Holdings LLC 13D and 13G filings for Tandem Diabetes Care, Inc.:
- 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.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 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 |
| 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 |