GERON CORP (GERN) is a publicly traded company in the Unknown sector. Across all available filings, 34 corporate insiders have executed 581 transactions totaling $28.8M, demonstrating a bearish sentiment with -$27.5M in net insider flow. The most recent transaction on Feb 18, 2026 involved a transaction of 27,500 shares valued at $0.
No significant insider buying has been recorded for GERN in the recent period.
No significant insider selling has been recorded for GERN in the recent period.
Based on recent SEC filings, insider sentiment for GERN is bearish with an Insider Alignment Score of 2/100 and a net flow of -$27.5M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at GERON CORP (GERN) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 34 insiders are actively trading GERN stock, having executed 581 transactions in the past 90 days. The most active insider is John A. Scarlett (Executive), who has made 11 transactions totaling $10.3M.
Get notified when executives and directors at GERN file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Feb 18, 2026 | Robertson Michelle | EVP, CHIEF FINANCIAL OFFICER | Option Exercise | 27,500 | $N/A | $0 | C-Suite |
| Feb 18, 2026 | Robertson Michelle | EVP, CHIEF FINANCIAL OFFICER | Sale | 9,855 | $1.94 | $19.1K | C-Suite |
| Feb 18, 2026 | Robertson Michelle | EVP, CHIEF FINANCIAL OFFICER | Option Exercise | 27,500 | $N/A | $0 | C-Suite |
| Feb 17, 2026 | Robertson Michelle | EVP, CHIEF FINANCIAL OFFICER | Award | 1,660,000 | $N/A | $0 | C-Suite |
| Feb 17, 2026 | Eid Joseph | EVP, R&D; Chief Medical Office | Award | 2,220,000 | $N/A | $0 | |
| Sep 30, 2025 | J. Spiegel Robert | Executive | Award | 5,702 | $1.37 | $7.8K | |
| Jun 30, 2025 | J. Spiegel Robert | Executive | Award | 5,540 | $1.41 | $7.8K | |
| Jul 8, 2024 | J. Grethlein Andrew | Executive | Option Exercise | 674,348 | $1.72 | $1.2M | Large |
| Jul 8, 2024 | J. Grethlein Andrew | Executive | Sale | 674,348 | $4.56 | $3.1M | Large |
| Jun 28, 2024 | J. Spiegel Robert | Executive | Award | 1,916 | $N/A | $0 | |
| Jun 10, 2024 | Kapur Anil | Executive | Sale | 421,875 | $4.65 | $2.0M | Large |
| Jun 10, 2024 | Kapur Anil | Executive | Option Exercise | 421,875 | $1.06 | $447.2K | |
| Jun 10, 2024 | Feller Faye | Executive | Option Exercise | 20,000 | $1.06 | $21.2K | |
| Jun 10, 2024 | Feller Faye | Executive | Option Exercise | 112,500 | $1.06 | $119.3K | |
| Jun 10, 2024 | Feller Faye | Executive | Sale | 287,900 | $4.63 | $1.3M | Large |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 111 | $28.1M | 68.8% |
Exercise(M) | 44 | $10.6M | 25.9% |
Purchase(P) | 10 | $696.4K | 1.7% |
Discretionary(I) | 29 | $580.0K | 1.4% |
Payment(F) | 8 | $483.0K | 1.2% |
Award(A) | 348 | $386.9K | 0.9% |
Disposition(D) | 27 | $0 | 0.0% |
Gift(G) | 4 | $0 | 0.0% |
Insider selling pressure at GERON CORP has increased, with 34 insiders executing 581 transactions across all time. Total sales of $28.1M significantly outpace purchases of $696.4K, resulting in a net outflow of $27.5M. This selling activity appears largely discretionary, which may warrant closer attention from investors.