---
schema_version: "secwatch.filing_event.v1"
accession: "0001708599-25-000058"
form_type: "8-K"
ticker: "SER"
cik: "0001708599"
company_name: "Serina Therapeutics, Inc."
filed_at: "2025-05-22T23:59:59+00:00"
generated_at: "2026-05-20T18:27:04.772367+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Serina appoints ex-Karuna CMO Brannan to board; director Gross departs

## Summary
- Appointed Dr. Stephen Brannan (former Karuna CMO) to board and Compensation Committee, effective May 22, 2025.
- Brannan led clinical strategy for KarXT, first new schizophrenia mechanism in >30 years, key to Karuna's $14B BMS acquisition.
- Remy Gross departed board effective May 22, 2025; no disagreement, stays as consultant.
- Filed certificate of correction to Series A Preferred Stock to add conversion price adjustment reference.

## SEC filing metadata
- accession: 0001708599-25-000058
- form_type: 8-K
- ticker: SER
- cik: 0001708599
- company_name: Serina Therapeutics, Inc.
- filed_at: 2025-05-22T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 5.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708599/000170859925000058/0001708599-25-000058-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708599/000170859925000058/ser-20250522.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001708599-25-000058
- JSON: https://secwatch.observer/filing/0001708599-25-000058.json
- Plain text: https://secwatch.observer/filing/0001708599-25-000058.txt

## Key facts
- Executive change
  Remy Gross departed as Director at Serina Therapeutics, Inc..
  - Action: departed
  - Role: Director
  source text: The Company also announced the departure of Remy Gross from its Board of Directors effective May 22, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1708599/000170859925000058/0001708599-25-000058-index.htm
- Executive change
  Stephen Brannan was appointed as Director at Serina Therapeutics, Inc..
  - Action: appointed
  - Role: Director
  source text: On May 22, 2025 , the Board of Directors of Serina Therapeutics, Inc. (the “Company”) appointed Dr. Stephen Brannan to the Company’s Board of Directors, effective May 22, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1708599/000170859925000058/0001708599-25-000058-index.htm

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