---
schema_version: "secwatch.filing_event.v1"
accession: "0001438133-25-000190"
form_type: "8-K"
ticker: "TNDM"
cik: "0001438133"
company_name: "TANDEM DIABETES CARE INC"
filed_at: "2025-11-12T23:59:59+00:00"
generated_at: "2026-05-16T21:02:08.835630+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Tandem Diabetes appoints Sandra Beaver to board, adds audit and cybersecurity roles

## Summary
- Sandra Beaver joined the board effective Nov. 7, 2025, increasing board size from 8 to 9.
- She serves on the Audit and Cybersecurity & Data Privacy committees.
- Initial RSU award of 20,242 shares valued at $300K; annual retainer $60K plus committee fees.
- Beaver is CFO of Lyra Health; previously CFO of Evolus and held finance roles at Experian and IGT.

## SEC filing metadata
- accession: 0001438133-25-000190
- form_type: 8-K
- ticker: TNDM
- cik: 0001438133
- company_name: TANDEM DIABETES CARE INC
- filed_at: 2025-11-12T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1438133/000143813325000190/0001438133-25-000190-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1438133/000143813325000190/tndm-20251107.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001438133-25-000190
- JSON: https://secwatch.observer/filing/0001438133-25-000190.json
- Plain text: https://secwatch.observer/filing/0001438133-25-000190.txt

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