Geron Corporation (GERN)
Nasdaq: GERN · Pharmaceutical Preparations · Foster City, CA · filing with the SEC since 1996
Who owns Geron Corporation
As filed with the SECHolders of 5% or more
3
RA Capital Management, L.P. holds 9.9% of Common Stock, $0.001 par value per share, as its SCHEDULE 13G/A filed Aug 14, 2026 says.
Directors and officers
12
report now, of 27 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
RA Capital Management, L.P.
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, $0.001 par value per share · 9.9% in May 15, 2025
Soleus Capital Master Fund, L.P.
SCHEDULE 13G/A · filed May 8, 2026 · Common Stock, par value $0.001 per share · 5.2% in Mar 3, 2026
State Street Corporation
SCHEDULE 13G · filed Aug 7, 2026 · COMMON STOCK
Deep Track Capital, LP
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock, $0.001 par value · reported falling below 5%, from 5.09% in Feb 13, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%
RTW Investments, LP
SCHEDULE 13G/A · filed Feb 14, 2025 · Common Stock, $0.001 par value · reported falling below 5%
What GERN reports owning in othersstakes of 5% or more, and other ties
Geron Corporation reports no stake in another company in the record.
Insider tradesForm 4
1sales
0purchases
0sales on a scheduled plan
1people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 1, 2025 to Oct 1, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 1, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window1 of 27 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Robertson Michelle | EVP, CHIEF FINANCIAL OFFICER | 1 | $0 | 0 | 0 | $0 |