---
schema_version: "secwatch.filing_event.v1"
accession: "0001438133-23-000032"
form_type: "8-K"
ticker: "TNDM"
cik: "0001438133"
company_name: "TANDEM DIABETES CARE INC"
filed_at: "2023-02-22T23:59:59+00:00"
generated_at: "2026-06-19T04:38:44.863175+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Rebecca Robertson to succeed Kim Blickenstaff as Chair of Tandem Diabetes Board effective March 1, 2023

## Summary
- Kim Blickenstaff steps down as Chair but remains a board member; served as Chair since March 2020.
- Rebecca Robertson, board member since 2019 and General Partner at Versant Ventures, appointed Chair.
- No separate Lead Independent Director designated because Robertson is an independent director.
- 2022 cash bonuses for named executives paid at 50.8% of target; CEO Sheridan received $359,418.

## SEC filing metadata
- accession: 0001438133-23-000032
- form_type: 8-K
- ticker: TNDM
- cik: 0001438133
- company_name: TANDEM DIABETES CARE INC
- filed_at: 2023-02-22T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 2.0, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1438133/000143813323000032/0001438133-23-000032-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1438133/000143813323000032/tndm-20230217.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001438133-23-000032
- JSON: https://secwatch.observer/filing/0001438133-23-000032.json
- Plain text: https://secwatch.observer/filing/0001438133-23-000032.txt

## Key facts
- Earnings Releases
  TANDEM DIABETES CARE INC reported financial results for quarter and year ended December 31, 2022.
  - Period: quarter and year ended December 31, 2022
  - Result: reported results
  source text: On February 22, 2023, we issued a press release reporting our f inancial results for the quarter and year ended December 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1438133/000143813323000032/0001438133-23-000032-index.htm
- Executive change
  Rebecca Robertson was appointed as Chair of the Board at TANDEM DIABETES CARE INC.
  - Action: appointed
  - Role: Chair of the Board
  source text: Rebecca Robertson will succeed Kim D. Blickenstaff as Chair of the Board of Directors (the “Board”), effective March 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1438133/000143813323000032/0001438133-23-000032-index.htm
- Executive change
  John Allen changed role as Lead Independent Director at TANDEM DIABETES CARE INC.
  - Action: transitioned
  - Role: Lead Independent Director
  source text: Mr. Allen will transition from the role of Lead Independent Director to a member of the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1438133/000143813323000032/0001438133-23-000032-index.htm
- Executive change
  Kim D. Blickenstaff changed role as Chair of the Board at TANDEM DIABETES CARE INC.
  - Action: transitioned
  - Role: Chair of the Board
  source text: Mr. Blickenstaff will transition from the role of Chair of the Board to a member of the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/1438133/000143813323000032/0001438133-23-000032-index.htm

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