Robert J. Spiegel - 30 Jun 2026 Form 4 Insider Report for GERON CORP (GERN)

Reporting relationship: Director
Issuer ticker: GERN
Reported as of: 30 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 Jul 2026, 17:45:13 UTC
Prior SEC filing: 26 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Michelle Robertson, Attorney-in-fact for Robert J. Spiegel

Key filing fact

Robert J. Spiegel filed Form 4 for GERON CORP (GERN) on 01 Jul 2026.

Key facts

This page summarizes Robert J. Spiegel's Form 4 filing for GERON CORP (GERN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 01 Jul 2026, 17:45.

Change

Previous filing in this sequence was filed on 26 May 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 0001492256 Primary reporting owner

Spiegel Robert J.

Relationship: Director
Address: C/O GERON CORPORATION, 919 EAST HILLSDALE BOULEVARD, SUITE 250, FOSTER CITY
Signature: /s/ Michelle Robertson, Attorney-in-fact for Robert J. Spiegel
Signature date: 01 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GERN transaction

Common Stock

Award

Transaction value
Shares: +6,103
Change %: +3.1%
Price: $1.28^*
Shares after: 205,810
Date: 30 Jun 2026
Ownership: Direct
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

Shares issued in lieu of cash compensation for quarterly board of directors' retainer and committee fees. Number of shares issued based on the closing price of the Issuer's common stock on June 30, 2026 of $1.28 per share.