---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-024071"
form_type: "8-K"
ticker: "SPRB"
cik: "0001683553"
company_name: "SPRUCE BIOSCIENCES, INC."
filed_at: "2023-05-25T23:59:59+00:00"
generated_at: "2026-06-14T14:41:08.315301+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Spruce Biosciences director Dina Chaya resigns; Percival Barretto-Ko appointed to board

## Summary
- Dina Chaya, Ph.D., C.F.A. resigns from board and committees effective May 25, 2023; not due to any dispute.
- Daniel Spiegelman appointed to Nominating Committee; Kirk Ways, M.D., Ph.D. named Chair of Nominating Committee.
- Percival Barretto-Ko appointed as Class II director (term to 2025 annual meeting) and to Audit Committee.
- Barretto-Ko receives option to purchase 60,000 shares vesting over 3 years, plus annual retainers of $40,000 (director) and $7,500 (audit).

## SEC filing metadata
- accession: 0000950170-23-024071
- form_type: 8-K
- ticker: SPRB
- cik: 0001683553
- company_name: SPRUCE BIOSCIENCES, INC.
- filed_at: 2023-05-25T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1683553/000095017023024071/0000950170-23-024071-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1683553/000095017023024071/sprb-20230522.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-024071
- JSON: https://secwatch.observer/filing/0000950170-23-024071.json
- Plain text: https://secwatch.observer/filing/0000950170-23-024071.txt

## Key facts
- Executive change
  Dina Chaya resigned as Director at SPRUCE BIOSCIENCES, INC..
  - Action: resigned
  - Role: Director
  source text: On May 22, 2023, Dina Chaya, Ph.D., C.F.A., notified the board of directors (the “Board”) of Spruce Biosciences, Inc. (the “Company”) of her resignation as a director of the Company and as a member of the Nominating and Corporate Governance Committee of the Board (the “Nominating Committee”) and the Audit Committee of the Board (the “Audit Committee”), effective as of May 25, 2023 (the “Effective Date”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1683553/000095017023024071/0000950170-23-024071-index.htm
- Executive change
  Percival Barretto-Ko was appointed as Class II Director at SPRUCE BIOSCIENCES, INC..
  - Action: appointed
  - Role: Class II Director
  source text: On May 23, 2023, the Board appointed Percival Barretto-Ko to the Board, to fill the vacancy resulting from Dr. Chaya's resignation, contingent upon Dr. Chaya's resignation and effective as of the Effective Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1683553/000095017023024071/0000950170-23-024071-index.htm

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