Paul Maier V - 16 Sep 2026 Form 4 Insider Report for International Stem Cell CORP (ISCO)

Reporting relationship
Director
Issuer ticker
ISCO
Reported as of
16 Sep 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
17 Sep 2026, 20:46:25 UTC
Prior SEC filing
15 Sep 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Paul Maier

Key filing fact

Paul Maier V filed Form 4 for International Stem Cell CORP (ISCO) on 17 Sep 2026.

Key facts

  • This page summarizes Paul Maier V's Form 4 filing for International Stem Cell CORP (ISCO).
  • 1 reported transaction and 1 derivative row are listed below.
  • Accepted by SEC: 17 Sep 2026, 20:46.

Change

  • Previous filing in this sequence was filed on 15 Sep 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001182615 Primary reporting owner

MAIER PAUL V

Relationship
Director
Address
C/O INTERNATIONAL STEM CELL CORP., 9745 BUSINESSPARK AVE., SAN DIEGO
Signature
/s/ Paul Maier
Signature date
17 Sep 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ISCO transaction Derivative

Stock Options

Disposed to Issuer

Transaction value
Shares
-30,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
16 Sep 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
30,000
Exercise price
$0.1200
Footnotes
F1
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The shares subject to the option fully vested on 06/11/2025 from the date of grant (06-11-2024).

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