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Filing
SCHEDULE 13G/A
SCHEDULE 13G/A0001172661-26-001167·ArrowMark Colorado Holdings LLC
Schedule 13G ownership disclosure
Tandem Diabetes Care Inc
Common Stock, par value $0.001 per share · CUSIP: 875372203
Event date: 2025-12-31
- Filing-level shares
- 2,889,691.00
- Percent of class
- 4.26%
- ArrowMark Colorado Holdings, LLC
Shares: 2,889,691.00 · Class: 4.26%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001172661-26-001167
- Form type
- SCHEDULE 13G/A
- Filer
- ArrowMark Colorado Holdings LLC
- CIK
- CIK 1483859
- Filed
- Feb 17, 2026
- Reporting period
- Dec 31, 2025
- Description
- Schedule 13G beneficial ownership