GERON CORP
Total Trades
18
Buys
2
Sells
8
Largest Trade
$1M+
Insiders
8
Institutional Funds
207
Inst. Value
$1M+
Activist Filings
23
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| LAWLIS V BRYAN | Director | BUY | $15K–$50K | 13K | $1.18 | May 13, 2025 |
| Feller Faye | EVP | EXERCISE | $100K–$500K | 288K | $1.19 | Jun 12, 2024 |
| Feller Faye | EVP | SELL | $1M+ | 288K | $4.63 | Jun 12, 2024 |
| Kapur Anil | EVP | SELL | $1M+ | 422K | $4.64 | Jun 12, 2024 |
| Kapur Anil | EVP | EXERCISE | $100K–$500K | 422K | $1.06 | Jun 12, 2024 |
| SCARLETT JOHN A | Chairman | EXERCISE | $1M+ | 600K | $2.54 | Jun 5, 2024 |
| SCARLETT JOHN A | Chairman | SELL | $1M+ | 600K | $4.00 | Jun 5, 2024 |
| O'Farrell Elizabeth G. | Director | BUY | $15K–$50K | 13K | $2.28 | Aug 25, 2023 |
| LAWLIS V BRYAN | Director | SELL | $100K–$500K | 35K | $3.00 | May 12, 2023 |
| LAWLIS V BRYAN | Director | EXERCISE | $15K–$50K | 35K | $1.10 | May 12, 2023 |
| Molineaux Susan | Director | EXERCISE | $15K–$50K | 35K | $1.10 | May 2, 2023 |
| Molineaux Susan | Director | SELL | $50K–$100K | 35K | $2.48 | May 2, 2023 |
| GRETHLEIN ANDREW J | COO | EXERCISE | $100K–$500K | 150K | $1.51 | Feb 11, 2023 |
| GRETHLEIN ANDREW J | COO | SELL | $1M+ | 385K | $3.03 | Feb 11, 2023 |
| Bloom Olivia Kyusuk | CFO | SELL | $1M+ | 400K | $3.08 | Feb 11, 2023 |
| Bloom Olivia Kyusuk | CFO | EXERCISE | $500K+ | 400K | $1.51 | Feb 11, 2023 |
| SCARLETT JOHN A | Chairman | EXERCISE | $1M+ | 1.3M | $1.50 | Feb 11, 2023 |
| SCARLETT JOHN A | Chairman | SELL | $1M+ | 1.3M | $3.04 | Feb 11, 2023 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 207 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 63.8M | $1M+ | SH |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 885K | $1M+ | SH |
| Deep Track Capital, LP | 32.5M | $1M+ | SH |
| Vivo Capital, LLC | 27.2M | $1M+ | SH |
| STATE STREET CORP | 26.9M | $1M+ | SH |
| Soleus Capital Management, L.P. | 23.3M | $1M+ | SH |
| Clearbridge Investments, LLC | 14.2M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 11.3M | $1M+ | SH |
| Aberdeen Group plc | 9.5M | $1M+ | SH |
| Nantahala Capital Management, LLC | 9.0M | $1M+ | SH |
| SEGALL BRYANT & HAMILL, LLC | 5.0M | $1M+ | SH |
| Pale Fire Capital SE | 4.8M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 4.5M | $1M+ | SH |
| Candriam S.C.A. | 2.8M | $1M+ | SH |
| BARCLAYS PLC | 1.6M | $1M+ | SH |
| Affinity Asset Advisors, LLC | 1.5M | $1M+ | SH |
| NAN FUNG TRINITY (HK) Ltd | 1.4M | $1M+ | SH |
| HRT FINANCIAL LP | 1.2M | $1M+ | SH |
| Virtue Capital Management, LLC | 36K | $1M+ | SH |
| Squarepoint Ops LLC | 1.1M | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Soleus Capital Master Fund, L.P.
SC 13G · Mar 3, 2026
5.2%
33.0M shares
SC 13G/A · Feb 13, 2026
5.1%
32.5M shares
SC 13G/A · Aug 14, 2025
6.8%
43.0M shares
SC 13G/A · May 15, 2025
9.9%
64.0M shares
SC 13G · Mar 25, 2025
5.5%
35.0M shares
SC 13G/A · Feb 14, 2025
0.0%
0 shares
SC 13G/A · Nov 14, 2024
10.0%
63.3M shares
SC 13G/A · Nov 14, 2024
1.3%
7.6M shares
SC 13G · Nov 14, 2024
7.3%
44.1M shares
SC 13G/A · Feb 14, 2024
10.0%
55.1M shares
SC 13G/A · Feb 14, 2024
5.5%
29.6M shares
The Vanguard Group - 23-1945930
SC 13G · Feb 13, 2024
5.3%
28.6M shares
SC 13G/A · Jan 26, 2024
7.8%
42.2M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jan 22, 2024
4.7%
0 shares
SC 13G/A · Feb 14, 2023
10.0%
48.4M shares
SC 13G/A · Feb 13, 2023
4.3%
26.9M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G · Feb 1, 2023
5.2%
0 shares
SC 13G/A · Jan 31, 2023
7.2%
27.3M shares
SC 13G · Jan 13, 2023
5.3%
24.0M shares
SC 13G · Apr 8, 2022
5.9%
22.9M shares
SC 13G/A · Feb 14, 2022
10.0%
32.4M shares
SC 13G/A · Feb 14, 2022
2.9%
9.6M shares
SC 13G/A · Feb 1, 2022
7.8%
25.2M shares