---
schema_version: "secwatch.filing_event.v1"
accession: "0001708599-26-000027"
form_type: "8-K"
ticker: "SER"
cik: "0001708599"
company_name: "Serina Therapeutics, Inc."
filed_at: "2026-04-21T23:59:59+00:00"
generated_at: "2026-05-15T05:07:42.259885+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Serina appoints CTO, raises CEO salary to $500K, amends bylaws for Co-Chairs

## Summary
- Srini Tenjarla, Ph.D., promoted to CTO of Serina (AL) subsidiary; salary increased to $425,000 retroactive to Mar 15, 2026.
- CEO Steve Ledger salary raised to $500,000 retroactive to Sept 9, 2024; retro payment made in lump sum Apr 2026.
- Bylaws amended to allow one or more Co-Chairs with equal authority to call special meetings and preside.

## SEC filing metadata
- accession: 0001708599-26-000027
- form_type: 8-K
- ticker: SER
- cik: 0001708599
- company_name: Serina Therapeutics, Inc.
- filed_at: 2026-04-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708599/000170859926000027/0001708599-26-000027-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708599/000170859926000027/ser-20260415.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001708599-26-000027
- JSON: https://secwatch.observer/filing/0001708599-26-000027.json
- Plain text: https://secwatch.observer/filing/0001708599-26-000027.txt

## Key facts
- Governance Changes
  Serina Therapeutics, Inc.: Amended and restated bylaws to include provisions relating to appointment and authority of Co-Chairs of the Board of Directors, and conforming updates (effective 2026-04-15).
  - Change: bylaw amendment
  - Effective: 2026-04-15
  source text: On April 15, 2026, the Board of Directors of the Company approved and adopted amended and restated bylaws of the Company (the " Bylaws "), effective immediately. The Bylaws include provisions relating to the appointment of Co-Chairs of the Board of Directors, including provisions clarifying that special meetings of stockholders may be called by the Chair or any Co-Chair, that the Chair or any Co-Chair may preside at meetings of stockholders and meetings of the Board of Directors, and that each Co-Chair has the same authority and powers as the Chair of the Board and may act independently of any other Co-Chair, subject to coordination expectations set forth in the Bylaws.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1708599/000170859926000027/0001708599-26-000027-index.htm

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