---
schema_version: "secwatch.filing_event.v1"
accession: "0001438133-21-000172"
form_type: "8-K"
ticker: "TNDM"
cik: "0001438133"
company_name: "TANDEM DIABETES CARE INC"
filed_at: "2021-09-17T23:59:59+00:00"
generated_at: "2026-06-29T02:55:20.943702+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Tandem Diabetes signs lease for 181,949 sq ft in San Diego; total future rent ~$192M

## Summary
- Lease with Kilroy Realty for 181,949 sq ft at 12400 High Bluff Drive, San Diego, in two phases.
- Phase I (143,850 sq ft) expected possession Sept 2022; Phase II (38,099 sq ft) by May 2025.
- Initial monthly base rent ~$906k; increases by ~$255k after Phase II commences; annual 3% escalations.
- Initial term ~12 years 8 months; two five-year renewal options; right of first offer on 34,569 additional sq ft.
- Estimated future minimum lease payments total ~$192.13M through 2035.

## SEC filing metadata
- accession: 0001438133-21-000172
- form_type: 8-K
- ticker: TNDM
- cik: 0001438133
- company_name: TANDEM DIABETES CARE INC
- filed_at: 2021-09-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1438133/000143813321000172/0001438133-21-000172-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1438133/000143813321000172/tndm-20210915.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001438133-21-000172
- JSON: https://secwatch.observer/filing/0001438133-21-000172.json
- Plain text: https://secwatch.observer/filing/0001438133-21-000172.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.
