---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-22-008509"
form_type: "8-K"
ticker: "ISCO"
cik: "0001355790"
company_name: "International Stem Cell CORP"
filed_at: "2022-03-03T23:59:59+00:00"
generated_at: "2026-06-27T01:54:50.979380+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# International Stem Cell extends $2.9M CEO loan maturity to Sept 15, 2022

## Summary
- Extended maturity of $2.9M promissory note from CEO Andrey Semechkin to Sept 15, 2022 (was Mar 15, 2022).
- Note is unsecured, non-convertible, bears 4.5% annual interest.
- Loan originated Jan 13, 2022; this new note replaces the original on same principal.
- CEO Semechkin is Co-Chairman and CEO; transaction is a related-party financing.
- Company may prepay the note at any time without penalty.

## SEC filing metadata
- accession: 0001564590-22-008509
- form_type: 8-K
- ticker: ISCO
- cik: 0001355790
- company_name: International Stem Cell CORP
- filed_at: 2022-03-03T23:59:59+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/1355790/000156459022008509/0001564590-22-008509-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1355790/000156459022008509/isco-8k_20220301.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-22-008509
- JSON: https://secwatch.observer/filing/0001564590-22-008509.json
- Plain text: https://secwatch.observer/filing/0001564590-22-008509.txt

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