---
schema_version: "secwatch.filing_event.v1"
accession: "0001438133-22-000163"
form_type: "8-K"
ticker: "TNDM"
cik: "0001438133"
company_name: "TANDEM DIABETES CARE INC"
filed_at: "2022-06-16T23:59:59+00:00"
generated_at: "2026-06-25T01:12:32.940246+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Tandem Diabetes appoints Myoung Cha and Joao Malagueira to board

## Summary
- Myoung Cha elected Class III director effective June 15, 2022; will serve on Compensation Committee.
- Cha is President & CSO at Carbon Health; previously Head of Health Strategic Initiatives at Apple.
- Joao Malagueira elected Class I director effective June 15, 2022; will serve on Audit Committee.
- Malagueira is VP for three divisions at Hologic; 25+ years experience in diabetes and medical devices.
- Board size increased from nine to ten directors; both new directors are independent under Nasdaq rules.

## SEC filing metadata
- accession: 0001438133-22-000163
- form_type: 8-K
- ticker: TNDM
- cik: 0001438133
- company_name: TANDEM DIABETES CARE INC
- filed_at: 2022-06-16T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1438133/000143813322000163/0001438133-22-000163-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1438133/000143813322000163/tndm-20220615.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001438133-22-000163
- JSON: https://secwatch.observer/filing/0001438133-22-000163.json
- Plain text: https://secwatch.observer/filing/0001438133-22-000163.txt

## Key facts
- Executive change
  Joao Malagueira was elected as Director at TANDEM DIABETES CARE INC.
  - Action: elected
  - Role: Director
  source text: elected Joao Malagueira, age 56, to serve as a Class I director on the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/1438133/000143813322000163/0001438133-22-000163-index.htm
- Executive change
  Myoung Cha was elected as Director at TANDEM DIABETES CARE INC.
  - Action: elected
  - Role: Director
  source text: elected Myoung Cha, age 45, to serve as a Class III director on the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/1438133/000143813322000163/0001438133-22-000163-index.htm

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