---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-23-044224"
form_type: "8-K"
ticker: "SER"
cik: "0001708599"
company_name: "Serina Therapeutics, Inc."
filed_at: "2023-12-08T23:59:59+00:00"
generated_at: "2026-06-07T15:39:09.008991+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# AgeX draws $500K under secured note with Juvenescence, due Feb 14, 2024

## Summary
- Drew $500,000 from existing secured convertible promissory note with Juvenescence Limited.
- Repayment date set at February 14, 2024.
- Note terms previously summarized in Form 10-Q filed Nov 14, 2023.
- Obligation is secured and convertible; additional terms not detailed in this filing.

## SEC filing metadata
- accession: 0001493152-23-044224
- form_type: 8-K
- ticker: SER
- cik: 0001708599
- company_name: Serina Therapeutics, Inc.
- filed_at: 2023-12-08T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708599/000149315223044224/0001493152-23-044224-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708599/000149315223044224/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-23-044224
- JSON: https://secwatch.observer/filing/0001493152-23-044224.json
- Plain text: https://secwatch.observer/filing/0001493152-23-044224.txt

## Key facts
- Debt Financings
  Serina Therapeutics, Inc. incurred convertible notes of $500,000 with Juvenescence Limited maturing February 14, 2024.
  - Instrument: convertible notes
  - Principal: $500,000
  - Counterparty: Juvenescence Limited
  - Maturity: February 14, 2024
  - Event: incurrence
  source text: On December 5, 2023, AgeX drew $500,000 of its credit available under the Amended and Restated Secured Convertible Promissory Note, as amended, (“Secured Note”) with Juvenescence Limited (“Juvenescence”). The Repayment Date on which the outstanding principal balance of the Secured Note will become due and payable shall be February 14, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1708599/000149315223044224/0001493152-23-044224-index.htm

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