---
schema_version: "secwatch.filing_event.v1"
accession: "0001438133-23-000210"
form_type: "8-K"
ticker: "TNDM"
cik: "0001438133"
company_name: "TANDEM DIABETES CARE INC"
filed_at: "2023-11-13T23:59:59+00:00"
generated_at: "2026-06-08T04:51:47.169295+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Tandem Diabetes COO David Berger to step down Dec 31, 2023

## Summary
- David B. Berger, EVP and COO, will leave his role effective December 31, 2023.
- Berger oversaw clinical, quality, regulatory, legal, customer support, and operations.
- He will provide transition advisory services to the company through 2024.
- No successor named; terms of advisory agreement to be disclosed in a later filing.

## SEC filing metadata
- accession: 0001438133-23-000210
- form_type: 8-K
- ticker: TNDM
- cik: 0001438133
- company_name: TANDEM DIABETES CARE INC
- filed_at: 2023-11-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1438133/000143813323000210/0001438133-23-000210-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1438133/000143813323000210/tndm-20231107.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001438133-23-000210
- JSON: https://secwatch.observer/filing/0001438133-23-000210.json
- Plain text: https://secwatch.observer/filing/0001438133-23-000210.txt

## Key facts
- Executive change
  David B. Berger departed as Executive Vice President and Chief Operating Officer at TANDEM DIABETES CARE INC.
  - Action: stepping down
  - Role: Executive Vice President and Chief Operating Officer
  source text: On November 7, 2023, Tandem Diabetes Care, Inc. (“Tandem” or the “Company”) and David B. Berger, the Company’s Executive Vice President and Chief Operating Officer, determined that he will be stepping down from his current position effective December 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1438133/000143813323000210/0001438133-23-000210-index.htm

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