Figures computed from official regulatory filings — .
Analysttarget 4.25 USD (+254%) · consensus 4.4/5 · 4 buy · 1 hold · 0 sell
Ownershipinsiders 0.08% · institutions 77.02% · short 12.9% of float
In USD · as of Oct 5, 2026
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Geron Corporation, a commercial-stage biopharmaceutical company, focuses on the development of therapeutics products for oncology. The company's product pipeline includes RYTELO, a telomerase inhibitor for the treatment of adult patients with low- to intermediate-1 risk myelodysplastic syndromes with transfusion-dependent anemia; IMerge which is in Phase 3 clinical trial for the treatment of lower-risk myelodysplastic syndromes; IMpactMF that is in Phase 3 for the treatment of relapsed/refractory myelofibrosis; Impress which is in Phase 2 clinical trial to treat higher risk myelodysplastic syndromes and acute myeloid leukemia (AML); IMproveMF which is in Phase 1 clinical trial for the treatment of frontline myelofibrosis; and IMAGINE which is in phase 1/2 clinical trial for the treatment of relapsed/refractory AML. Geron Corporation was incorporated in 1990 and is headquartered in Foster City, California.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
14 buys252 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| Spiegel Robert J. | Award | $7.8K | SEC |
| Spiegel Robert J. | Award | $7.8K | SEC |
| Molineaux Susan | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| O'Farrell Elizabeth G.track record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Spiegel Robert J. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| McDonald John F | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Bir Dawn Carter | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Williams Timothy | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Spiegel Robert J. | Award | $7.8K | SEC |
| Andrews Patricia S | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Chinoporos Constantine | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| ROBERTSON MICHELLE | Sell | $19.1K | SEC |
| ROBERTSON MICHELLE | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Eid Joseph | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| ROBERTSON MICHELLE | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| ROBERTSON MICHELLE | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Spiegel Robert J. | Award | $7.8K | SEC |
| ElNawawi Ahmed | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Spiegel Robert J. | Award | $7.8K | SEC |
| Semerjian Harout | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Semerjian Harout | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Spiegel Robert J. | Award | $7.8K | SEC |
| Molineaux Susan | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| LAWLIS V BRYAN | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Aggarwal Gaurav | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |