---
schema_version: "secwatch.filing_event.v1"
accession: "0001683168-24-006436"
form_type: "8-K"
ticker: "ISCO"
cik: "0001355790"
company_name: "International Stem Cell CORP"
filed_at: "2024-09-17T23:59:59+00:00"
generated_at: "2026-05-31T04:13:02.686986+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# International Stem Cell extends CEO's $2.7M loan maturity to Sept 2025 after repaying $200k

## Summary
- CEO Dr. Andrey Semechkin loan of $2.9M extended; $200k repaid, new $2.7M unsecured note issued.
- New note bears 5.5% interest, matures Sept 15, 2025, prepayable without penalty.
- Accrued unpaid interest of ~$645k from prior note remains outstanding.
- Related-party transaction creates direct financial obligation; Noteholder is Co-Chairman and CEO.

## SEC filing metadata
- accession: 0001683168-24-006436
- form_type: 8-K
- ticker: ISCO
- cik: 0001355790
- company_name: International Stem Cell CORP
- filed_at: 2024-09-17T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1355790/000168316824006436/0001683168-24-006436-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1355790/000168316824006436/intlstemcell_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001683168-24-006436
- JSON: https://secwatch.observer/filing/0001683168-24-006436.json
- Plain text: https://secwatch.observer/filing/0001683168-24-006436.txt

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