---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-282373"
form_type: "8-K"
ticker: "PROK"
cik: "0001850270"
company_name: "PROKIDNEY CORP."
filed_at: "2021-09-24T23:59:59+00:00"
generated_at: "2026-06-29T01:37:55.191472+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Social Capital Suvretta III adds Uma Sinha to board; Chamath Palihapitiya leaves audit committee

## Summary
- Uma Sinha, PhD appointed to board and audit, compensation, and nominating committees effective Sept. 24, 2021.
- Chamath Palihapitiya resigned from the audit committee, effective same date; remains CEO.
- Sinha granted 30,000 RSUs contingent on initial business combination and shareholder-approved equity plan.
- Entered standard letter agreement (lock-up, voting) and indemnity agreement; Sinha determined independent.

## SEC filing metadata
- accession: 0001193125-21-282373
- form_type: 8-K
- ticker: PROK
- cik: 0001850270
- company_name: PROKIDNEY CORP.
- filed_at: 2021-09-24T23:59:59+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/1850270/000119312521282373/0001193125-21-282373-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1850270/000119312521282373/d221875d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-282373
- JSON: https://secwatch.observer/filing/0001193125-21-282373.json
- Plain text: https://secwatch.observer/filing/0001193125-21-282373.txt

## Key facts
- Executive change
  Uma Sinha was appointed as Director at PROKIDNEY CORP..
  - Action: appointed
  - Role: Director
  source text: On September 24, 2021, Uma Sinha PhD was appointed to the board of directors (the “Board”) of Social Capital Suvretta Holdings Corp. III (the “Company”), effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1850270/000119312521282373/0001193125-21-282373-index.htm

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