Stocks · Healthcare · Biotechnology
Geron Corporation GERN
$1.20 -0.83% Close, Oct 2, 2026 · NASDAQ · Market cap $769.8M
Next earnings report: Nov 4, 2026
Scroll or pinch to zoom, drag to move. Daily prices adjusted for splits. Markers: E = earnings (green beat, red miss), S = split, D = dividend.
Three things to know
- Operating margin widened to -18.3% from -47.1% a year earlier.
- The stock is in a downtrend: below its 200-day average, with the 50-day average below the 200-day.
- Revenue over the last four quarters was $204.6M, up 24.4% from a year earlier, slowing from 68.6% a quarter earlier.
PromtFinance scores
Each score is a percentile within the Healthcare sector (0–100). Under each score: how the stock ranks in its sector on every component. As of Oct 5, 2026.
Growth68Positive
How fast revenue, earnings and cash flow are growing.
- Revenue growth (TTM, YoY)Top 29%
- Revenue growth, 3-year CAGRTop 1%
- Revenue growth accelerationBottom 7%
Quality48Neutral
Returns on capital, margins, earnings quality and balance-sheet strength.
- Return on invested capitalTop 41%
- Gross marginTop 27%
- Operating marginBottom 43%
- Accruals (lower is better)Bottom 8%
- Interest coverTop 48%
Value46Neutral
How cheap the shares are relative to earnings, cash flow and their own history.
- Earnings yieldBottom 49%
- Free-cash-flow yieldBottom 30%
- EBITDA / enterprise valueBottom 49%
- Sales / enterprise valueTop 47%
Momentum23Very weak
Strength and persistence of the price trend, including versus the S&P 500.
- 12-month return excluding last monthBottom 44%
- 6-month returnBottom 18%
- 1-year return vs S&P 500Bottom 32%
- Distance from 52-week highBottom 40%
- Trend checklist (0–4)Bottom 14%
Revisions35Weak
Earnings surprises and analyst sentiment (estimate-revision history is being collected).
- Average EPS surprise, last 4 quartersBottom 29%
- Consecutive EPS beatsBottom 20%
- Share of analysts rating BuyBottom 37%
- Upside to consensus price targetTop 7%
Stability27Very weak
Low volatility, shallow drawdowns, low market sensitivity and modest leverage.
- Volatility, 60 days (lower is better)Bottom 33%
- Maximum drawdown, 3 yearsBottom 35%
- Beta vs S&P 500 (lower is better)Bottom 32%
What changed
Latest four quarters versus the same period a year earlier (growth: versus one quarter earlier).
| Measure | Before | Now | |
|---|---|---|---|
| Revenue growth (YoY) | 68.6% | 24.4% | ↓ |
| Gross margin | 97.8% | 83.2% | ↓ |
| Operating margin | -47.1% | -18.3% | ↑ |
| FCF margin | -108.4% | -56.1% | ↑ |
Fundamental momentum
| Measure | Now (TTM) | Year / quarter before | Sector rank | |
|---|---|---|---|---|
| Revenue growth (TTM, YoY) | 24.4% | 68.6% | ↓ | Top 29% |
| Gross margin | 83.2% | 97.8% | ↓ | Top 27% |
| Operating margin | -18.3% | -47.1% | ↑ | Bottom 43% |
| Net margin | -34.2% | -53.5% | ↑ | — |
| Free-cash-flow margin | -56.1% | -108.4% | ↑ | — |
| Return on invested capital | -8.3% | — | Top 41% | |
| Revenue growth, 3-year CAGR | 575.7% | — | Top 1% |
Quality of earnings and balance sheet
- Accruals (net income − OCF) / assetsLower is better; high accruals can signal weaker earnings quality.
- 8.6%
- Stock-based compensation / revenueA cost to shareholders through dilution.
- 11.8%
- Receivables growth vs revenue growthReceivables growing much faster than sales can be a warning.
- +11.5 pp
- Interest cover (operating income / interest)How many times operating profit covers interest.
- -1.2×
Shareholder returns
- Dividend yield (dividends paid, TTM)
- 0.00%
- Net buyback yield (TTM)
- -0.61%
- Shareholder yield
- -0.61%
- Share count change, 1 year
- +0.7%
- Share count change, 3-year CAGR
- +7.0%
Shareholder yield = dividends + net buybacks over the last four quarters, divided by market cap.
Based on the four quarters through Jun 30, 2026 (filed Aug 5, 2026).
Earnings and expectations
Earnings momentum
- Consecutive EPS beats
- 0
- Beats in the last 8 reports
- 5 of 8
- Average EPS surprise, last 4
- -10.1%
- Average 2-day reaction, last 8
- -2.0%
- Positive 20 days after report
- 4 of 8
Analysts
- Consensus price target
- $5.89
- Target vs current price
- +390.8%
- Analysts with a rating
- 22
- Share rating Buy or Strong Buy
- 68%
- Consensus rating
- Buy
How the stock reacted to recent reports
| Report date | EPS surprise | 2 days | 5 days | 20 days | 60 days |
|---|---|---|---|---|---|
| Aug 5, 2026 | -125.2% | +21.6% | +21.6% | +10.4% | — |
| May 6, 2026 | +66.7% | -4.2% | -15.2% | -29.7% | -21.8% |
| Feb 25, 2026 | +0.0% | -11.8% | -26.2% | -22.6% | -35.4% |
| Nov 5, 2025 | +18.2% | -5.2% | +8.7% | +10.4% | +33.9% |
| Aug 6, 2025 | +33.3% | +15.8% | +12.5% | +16.7% | +2.5% |
| May 7, 2025 | +25.0% | -0.8% | -9.1% | +16.7% | -11.4% |
| Feb 26, 2025 | +0.0% | -32.1% | -30.0% | -28.3% | -43.5% |
| Nov 7, 2024 | +55.6% | +0.5% | -9.4% | -6.8% | -29.3% |
Returns from the close before each report. Past reactions do not determine future ones.
Earnings history
| Report date | EPS | Estimate | Surprise | Revenue |
|---|---|---|---|---|
| Aug 5, 2026 | -$0.02 | -$0.01 | -125.2% | $57.5M |
| May 6, 2026 | -$0.01 | -$0.03 | +66.7% | $51.8M |
| Feb 25, 2026 | -$0.03 | -$0.03 | +0.0% | $48.0M |
| Nov 5, 2025 | -$0.03 | -$0.04 | +18.2% | $47.2M |
| Aug 6, 2025 | -$0.02 | -$0.03 | +33.3% | $49.0M |
| May 7, 2025 | -$0.03 | -$0.04 | +25.0% | $39.6M |
| Feb 26, 2025 | -$0.04 | -$0.04 | +0.0% | $47.5M |
| Nov 7, 2024 | -$0.04 | -$0.09 | +55.6% | $28.3M |
Valuation in context
| Multiple | Now | 5-year median | 5-year percentile | Sector rank (cheapness) |
|---|---|---|---|---|
| EV / Sales | 4.05× | — | — | Top 47% |
| Free-cash-flow yield | -14.91% | — | — | Bottom 30% |
| Earnings yield | -8.31% | — | — | Bottom 49% |
Technical state
Trend checklist
- ✗ Price above 20-day average
- ✗ Price above 50-day average
- ✗ Price above 200-day average
- ✗ 50-day average above 200-day
- ✗ MACD histogram positive
Trend quality
- Days above the 50-day average
- 0
- Days above the 200-day average
- 0
- 50-day average slope (20 days)
- -2.7%
- 200-day average slope (20 days)
- +0.7%
- Distance from 50-day average
- -15.6%
- Distance from 200-day average
- -17.0%
- RSI (14)
- 32.0
- Relative volume
- 1.39×
Risk and drawdowns
- Volatility, 60 days (annualized)
- 65.9%
- Volatility vs own 5-year history
- 52th percentile · Normal for this stock
- Beta vs S&P 500 (2 years, weekly)
- 1.46
- Correlation with S&P 500
- 0.38
- Current drawdown from 1-year high
- -38.5%
- Maximum drawdown, 3 years
- -79.0%
Largest declines in the past six years
| From peak | To low | Decline | Length | Recovery |
|---|---|---|---|---|
| Jun 12, 2024 | Nov 7, 2025 | -79.0% | 353 days | Not yet recovered |
| Feb 3, 2021 | Feb 3, 2022 | -52.9% | 253 days | 125 days (Aug 4, 2022) |
| Jun 8, 2023 | Nov 10, 2023 | -52.8% | 108 days | 102 days (Apr 11, 2024) |
| Jan 25, 2023 | Apr 12, 2023 | -42.1% | 53 days | 36 days (Jun 2, 2023) |
| Sep 13, 2022 | Nov 3, 2022 | -30.9% | 37 days | 41 days (Jan 4, 2023) |
Declines of 10% or more from a closing high, measured on daily closes.
Financial statements
- Market cap
- $769.8M
- EPS, diluted (TTM)
- -$0.10
- Revenue (TTM)
- $204.6M
- 52-week range
- $1.04 – $2.01
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Revenue | $1.4M | $596,000 | $237,000 | $77.0M | $183.9M |
| Gross profit | $1.4M | $596,000 | $237,000 | $75.7M | $179.1M |
| Operating income | -$114.0M | -$138.6M | -$193.9M | -$173.7M | -$53.8M |
| Net income | -$116.1M | -$141.9M | -$184.1M | -$174.6M | -$85.8M |
| EPS (diluted) | -$0.37 | -$0.37 | -$0.32 | -$0.27 | -$0.13 |
| Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 | |
|---|---|---|---|---|---|---|---|---|
| Revenue | $28.3M | $47.5M | $39.6M | $49.0M | $47.2M | $48.0M | $51.8M | $57.5M |
| Net income | -$26.4M | -$25.4M | -$19.8M | -$16.4M | -$18.4M | -$31.1M | -$3.6M | -$16.7M |
| EPS (diluted) | -$0.04 | -$0.04 | -$0.03 | -$0.02 | -$0.03 | -$0.05 | -$0.01 | -$0.02 |
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Operating cash flow | -$95.6M | -$127.4M | -$167.7M | -$218.6M | -$111.0M |
| Capital expenditure | -$207,000 | -$431,000 | -$830,000 | -$680,000 | -$49,000 |
| Free cash flow | -$95.8M | -$127.8M | -$168.6M | -$219.3M | -$111.1M |
| Dividends paid | $0 | $0 | $0 | $0 | $0 |
| Net share buybacks | $20.4M | $69.9M | $213.3M | $140.7M | $2.3M |
Cash outflows are shown as negative numbers.
- Cash and short-term investments
- $300.8M
- Total assets
- $519.0M
- Total liabilities
- $300.4M
- Total debt
- $122.1M
- Net debt
- $59.5M
- Shareholders’ equity
- $218.6M
As of Jun 30, 2026 (filed Aug 5, 2026).
Short interest
- Shares sold short
- 82,618,677
- Days to cover
- 6.69
- Change vs previous report
- -2.9%
FINRA short interest, settlement date Sep 15, 2026.
Stock splits
- Jul 22, 2014
- 529-for-500