SEC Form 4 · accession 0001683168-26-007223
International Stem Cell CORP · ISCO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Paul V Maier
Director
Period of report
Sep 16, 2026
Accepted (ET)
Sep 17, 2026 · 8:46 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001355790
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock OptionsF1 | $0.12 | Sep 16, 2026 | D | 30,000 | D | Jun 11, 2025 | Jun 11, 2034 | Common Stock | 30,000 | 0 | D |
Explanation of responses
- F1The shares subject to the option fully vested on 06/11/2025 from the date of grant (06-11-2024).