---
schema_version: "secwatch.filing_event.v1"
accession: "0001683168-22-006449"
form_type: "8-K"
ticker: "ISCO"
cik: "0001355790"
company_name: "International Stem Cell CORP"
filed_at: "2022-09-16T23:59:59+00:00"
generated_at: "2026-06-23T09:02:48.022733+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# CEO extends $2.9M loan maturity to March 2023 at 4.5% interest

## Summary
- On Sep 15, 2022, International Stem Cell Corp. extended maturity of $2.9M loan from CEO Andrey Semechkin to Mar 15, 2023.
- The loan originally issued Mar 1, 2022 was due Sep 15, 2022; replaced with new unsecured, non-convertible note.
- Interest rate remains 4.5% per annum; company may prepay without penalty.
- Dr. Semechkin is Co-Chairman and CEO; transaction is a related-party extension.

## SEC filing metadata
- accession: 0001683168-22-006449
- form_type: 8-K
- ticker: ISCO
- cik: 0001355790
- company_name: International Stem Cell CORP
- filed_at: 2022-09-16T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1355790/000168316822006449/0001683168-22-006449-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1355790/000168316822006449/isco_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001683168-22-006449
- JSON: https://secwatch.observer/filing/0001683168-22-006449.json
- Plain text: https://secwatch.observer/filing/0001683168-22-006449.txt

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