---
schema_version: "secwatch.filing_event.v1"
accession: "0001438133-26-000070"
form_type: "8-K"
ticker: "TNDM"
cik: "0001438133"
company_name: "TANDEM DIABETES CARE INC"
filed_at: "2026-05-21T20:10:03+00:00"
generated_at: "2026-05-21T22:16:58.434698+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Tandem Diabetes shareholders approve charter amendments and equity plan increase at annual meeting

## Summary
- Shareholders approved charter amendments to allow removal of directors with or without cause and limit officer liability per DGCL Sections 141(k) and 102(b)(7).
- 2023 Long-Term Incentive Plan amended to increase authorized shares by 3,260,000, bringing total to 8,862,184 shares.
- All nine director nominees elected; Christopher Twomey received 7,034,208 against votes (12.8% of votes cast) but still passed.
- Say-on-pay passed with 53,460,747 for, 1,481,027 against.
- Ernst & Young ratified as independent auditor for fiscal year ending December 31, 2026.

## SEC filing metadata
- accession: 0001438133-26-000070
- form_type: 8-K
- ticker: TNDM
- cik: 0001438133
- company_name: TANDEM DIABETES CARE INC
- filed_at: 2026-05-21T20:10:03+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 3.03, 5.02, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1438133/000143813326000070/0001438133-26-000070-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1438133/000143813326000070/tndm-20260520.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001438133-26-000070
- JSON: https://secwatch.observer/filing/0001438133-26-000070.json
- Plain text: https://secwatch.observer/filing/0001438133-26-000070.txt

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