GERN SEC Form 4 filings
Geron Corp Latest Insider Trading Activity
The most recent employee insider trading activity for Geron Corp was on February 18, 2026, when Robertson Michelle (EVP, CHIEF FINANCIAL OFFICER) reported a sale of 9,855 shares at $1.94 per share. For the past 4,918 days, GERN has had 11 total insider transactions represented in the displayed records. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For GERN Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting GERN | 2026-02-19 | 2026-02-18 | Geron Corp | Robertson Michelle | EVP, CHIEF FINANCIAL OFFICER | Sell | 1 | 9,855 | $1.94 | $19,118.70 | 35.84% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. GERN | 2025-05-13 | 2025-05-09 | Geron Corp | Lawlis V Bryan | Director | Buy | 1 | 13,300 | $1.18 | $15,694.00 | 100.00% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. GERN | 2025-03-03 | 2025-02-27 | Geron Corp | Samuels Scott Alan | EVP, Chief Legal Officer | Buy | 1 | 15,000 | $1.61 | $24,150.00 | 56.22% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. GERN | 2025-03-03 | 2025-02-27 | Geron Corp | Scarlett John A | Chairman, President and CEO | Buy | 1 | 12,500 | $1.77 | $22,125.00 | 100.00% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. GERN | 2025-03-03 | 2025-02-27 | Geron Corp | Ziegler James | EVP, Chief Commercial Officer | Buy | 1 | 100,000 | $1.60 | $160,000.00 | 100.00% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. GERN | 2024-07-10 | 2024-07-08 | Geron Corp | Grethlein Andrew J | EVP, Chief Operating Officer | Sell | 1 | 674,348 | $4.56 | $3,075,026.88 | 100.00% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. GERN | 2024-06-12 | 2024-06-10 | Geron Corp | Kapur Anil | EVP, Corp Strategy & CCO | Sell | 1 | 421,875 | $4.65 | $1,961,718.75 | 100.00% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction GERN | 2023-05-11 | 2023-05-11 | Geron Corp | Lawlis V Bryan | Director | Sell | 1 | 35,000 | $3.00 | $105,000.00 | 100.00% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. GERN | 2020-01-13 | 2020-01-10 | Geron Corp | O'Farrell Elizabeth G. | Director | Buy | 2 | 3,000 | $1.34 | $4,028.00 | 100.00% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. GERN | 2013-04-01 | 2013-04-01 | Geron Corp | Scarlett John A | President and CEO | Buy | 1 | 50,000 | $1.03 | $51,500.00 | 40.00% | View Filing |
⚠️ THE SAMPLE ABOVE IS DEFERRED BY 6 HOURS ⚠️
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