---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-082138"
form_type: "8-K"
ticker: "CDNA"
cik: "0001217234"
company_name: "CareDx, Inc."
filed_at: "2023-03-28T23:59:59+00:00"
generated_at: "2026-06-17T11:51:43.045298+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# CareDx amends bylaws to comply with universal proxy rules and enhance nomination procedures

## Summary
- Stockholder nominations must comply with SEC Rule 14a-19, including notice and solicitation requirements.
- Enhanced disclosure required on proposing stockholders, nominees, and related proxy solicitation persons.
- Stockholders cannot nominate more candidates than board seats up for election; board may require nominee interviews.
- Stockholders soliciting proxies must use a proxy card color other than white; white card reserved for board use.
- Eliminates requirement to make stockholder list available during meetings, conforming to Delaware law.

## SEC filing metadata
- accession: 0001193125-23-082138
- form_type: 8-K
- ticker: CDNA
- cik: 0001217234
- company_name: CareDx, Inc.
- filed_at: 2023-03-28T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1217234/000119312523082138/0001193125-23-082138-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1217234/000119312523082138/d490670d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-082138
- JSON: https://secwatch.observer/filing/0001193125-23-082138.json
- Plain text: https://secwatch.observer/filing/0001193125-23-082138.txt

## Key facts
- Governance Changes
  CareDx, Inc.: Amended and restated bylaws to address universal proxy rules and enhance disclosure requirements for director nominations and stockholder proposals (effective 2023-03-24).
  - Change: bylaw amendment
  - Effective: 2023-03-24
  source text: On March 24, 2023, the Board of Directors (the “Board”) of CareDx, Inc. (the “Company”) approved and adopted an amendment and restatement of the Company’s amended and restated bylaws (as so amended and restated, the “Amended and Restated Bylaws”), effective as of such date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1217234/000119312523082138/0001193125-23-082138-index.htm

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