InsiderTrades.com logo

GERN Insider Trading

Insider Ownership Percentage: 7.42%
Insider Buying (Last 12 Months): $46,150.00
Insider Selling (Last 12 Months): $0.00

Geron Insider Trading History Chart

This chart shows the insider buying and selling history at Geron by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Geron Share Price & Price History

Current Price: $1.27
Price Change: +0.30 (1.20%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for GERN up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Geron Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
2/27/2025John A. ScarlettCEOBuy12,500$1.76$22,000.0012,500View SEC Filing Icon  
2/27/2025Scott Alan SamuelsEVPBuy15,000$1.61$24,150.0026,682View SEC Filing Icon  
7/8/2024Andrew J. GrethleinCOOSell674,348$4.56$3,075,026.88View SEC Filing Icon  
6/10/2024Faye FellerEVPSell287,900$4.63$1,332,977.00View SEC Filing Icon  
6/4/2024John A. ScarlettCEOSell600,000$4.00$2,400,000.00600,000View SEC Filing Icon  
8/24/2023Elizabeth G. O'FarrellDirectorBuy6,607$2.28$15,063.967,407View SEC Filing Icon  
5/11/2023V. Bryan LawlisDirectorSell35,000$3.00$105,000.00View SEC Filing Icon  
5/1/2023Susan MolineauxDirectorSell35,000$2.48$86,800.00View SEC Filing Icon  
2/9/2023Andrew J. GrethleinCOOSell384,719$3.03$1,165,698.57View SEC Filing Icon  
2/9/2023John A. ScarlettCEOSell446,666$3.03$1,353,397.98View SEC Filing Icon  
2/8/2023Olivia Kyusuk BloomCFOSell400,000$3.08$1,232,000.0074,588View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Geron (NASDAQ:GERN)

73.71% of Geron stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at GERN by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Geron Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
12/2/2025Swiss Life Asset Management Ltd26,371$36K0.0%+73.6%0.004%Search for SEC Filing on Google Icon
11/21/2025CIBC Bancorp USA Inc.58,230$80K0.0%N/A0.009%Search for SEC Filing on Google Icon
11/21/2025Forefront Analytics LLC52,258$72K0.1%+48.5%0.008%Search for SEC Filing on Google Icon
11/17/2025Woodline Partners LP5,883,792$8.06M0.0%-26.4%0.922%Search for SEC Filing on Google Icon
11/17/2025Velan Capital Investment Management LP80,000$0.11M0.1%+14.3%0.013%Search for SEC Filing on Google Icon
11/17/2025Vestal Point Capital LP17,225,000$23.60M1.1%-27.5%2.698%Search for SEC Filing on Google Icon
11/17/2025Polymer Capital Management US LLC45,987$63K0.0%-58.7%0.007%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd4,722,818$6.47M0.0%-5.2%0.740%Search for SEC Filing on Google Icon
11/17/2025Prelude Capital Management LLC537,927$0.74M0.1%-50.4%0.084%Search for SEC Filing on Google Icon
11/17/2025Northwestern Mutual Wealth Management Co.42,050$58K0.0%+2,002.5%0.007%Search for SEC Filing on Google Icon
11/17/2025Nantahala Capital Management LLC9,025,000$12.36M0.4%N/A1.414%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC11,367,989$15.57M0.0%+97.8%1.781%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.304,213$0.41M0.0%-18.3%0.048%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP269,528$0.37M0.0%+656.7%0.042%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE3,494,346$4.79M0.0%-45.3%0.547%Search for SEC Filing on Google Icon
11/17/2025Almitas Capital LLC946,323$1.30M0.3%N/A0.148%Search for SEC Filing on Google Icon
11/17/2025Aquatic Capital Management LLC437,875$0.60M0.0%N/A0.069%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC4,527,741$6.20M0.1%+1.8%0.709%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC763,511$1.05M0.0%+74.4%0.120%Search for SEC Filing on Google Icon
11/14/2025Lazard Asset Management LLC64,879$89K0.0%+394.4%0.010%Search for SEC Filing on Google Icon
11/14/2025Credit Agricole S A71,100$97K0.0%N/A0.011%Search for SEC Filing on Google Icon
11/14/2025Deep Track Capital LP41,096,522$56.30M1.6%-4.4%6.438%Search for SEC Filing on Google Icon
11/14/2025Man Group plc57,011$78K0.0%N/A0.009%Search for SEC Filing on Google Icon
11/14/2025ADAR1 Capital Management LLC456,176$0.63M0.1%+3.4%0.071%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC1,312,867$1.80M0.0%-36.8%0.206%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP1,852,018$2.54M0.0%N/A0.290%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC3,288,707$4.51M0.0%-8.6%0.515%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG7,721,107$10.58M0.0%-34.3%1.210%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets110,794$0.15M0.0%+48.7%0.017%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.33,166$45K0.0%N/A0.005%Search for SEC Filing on Google Icon
11/13/2025Legal & General Group Plc507,900$0.70M0.0%-7.8%0.080%Search for SEC Filing on Google Icon
11/13/2025WINTON GROUP Ltd87,300$0.12M0.0%N/A0.014%Search for SEC Filing on Google Icon
11/13/2025Private Advisor Group LLC418,877$0.57M0.0%+20.5%0.066%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC1,935,606$2.65M0.0%-10.1%0.303%Search for SEC Filing on Google Icon
11/12/2025Segall Bryant & Hamill LLC5,335,216$7.31M0.1%-25.8%0.836%Search for SEC Filing on Google Icon
11/12/2025Fisher Asset Management LLC27,209$37K0.0%N/A0.004%Search for SEC Filing on Google Icon
11/12/2025Rafferty Asset Management LLC986,354$1.35M0.0%+19.1%0.155%Search for SEC Filing on Google Icon
11/12/2025DNB Asset Management AS226,508$0.31M0.0%+18.7%0.036%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC233,992$0.32M0.0%-34.0%0.037%Search for SEC Filing on Google Icon
11/10/2025Patient Square Capital LP845,000$1.16M0.3%+18.0%0.132%Search for SEC Filing on Google Icon
11/10/2025Ameritas Investment Partners Inc.45,637$63K0.0%-22.6%0.007%Search for SEC Filing on Google Icon
11/10/2025China Universal Asset Management Co. Ltd.111,835$0.15M0.0%-12.6%0.018%Search for SEC Filing on Google Icon
11/7/2025GSA Capital Partners LLP44,430$61K0.0%-93.5%0.007%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.34,423,125$47.16M0.0%-3.3%5.395%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.487,249$0.67M0.0%-9.8%0.076%Search for SEC Filing on Google Icon
11/7/2025Aberdeen Group plc5,970,923$8.18M0.0%-14.5%0.936%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers837,653$1.15M0.0%-4.1%0.131%Search for SEC Filing on Google Icon
11/6/2025Profund Advisors LLC213,466$0.29M0.0%+21.3%0.033%Search for SEC Filing on Google Icon
11/6/2025ProShare Advisors LLC116,136$0.16M0.0%-21.7%0.018%Search for SEC Filing on Google Icon
11/6/2025Candriam S.C.A.3,253,960$4.46M0.0%+71.6%0.510%Search for SEC Filing on Google Icon
11/5/2025Alps Advisors Inc.302,509$0.41M0.0%-11.9%0.047%Search for SEC Filing on Google Icon
11/3/2025Ballentine Partners LLC93,971$0.13M0.0%+14.5%0.015%Search for SEC Filing on Google Icon
10/31/2025Y Intercept Hong Kong Ltd124,796$0.17M0.0%N/A0.020%Search for SEC Filing on Google Icon
10/23/2025SG Americas Securities LLC113,333$0.16M0.0%N/A0.018%Search for SEC Filing on Google Icon
10/20/2025Forefront Wealth Partners LLC52,258$72K0.0%N/A0.008%Search for SEC Filing on Google Icon
10/15/2025Inspire Investing LLC329,051$0.45M0.0%+15.6%0.052%Search for SEC Filing on Google Icon
10/9/2025Voya Investment Management LLC106,133$0.15M0.0%-36.4%0.017%Search for SEC Filing on Google Icon
9/4/2025Osaic Holdings Inc.87,954$0.12M0.0%-19.4%0.014%Search for SEC Filing on Google Icon
8/27/2025Squarepoint Ops LLC3,599,221$5.08M0.0%+157.1%0.564%Search for SEC Filing on Google Icon
8/15/2025Tower Research Capital LLC TRC 78,317$0.11M0.0%+551.4%0.012%Search for SEC Filing on Google Icon
8/15/2025Exome Asset Management LLC3,414,377$4.81M2.5%+6.2%0.535%Search for SEC Filing on Google Icon
8/15/2025E Fund Management Co. Ltd.92,238$0.13M0.0%+12.0%0.014%Search for SEC Filing on Google Icon
8/15/2025Soleus Capital Management L.P.16,140,000$22.76M1.5%+572.5%2.530%Search for SEC Filing on Google Icon
8/15/2025Zuckerman Investment Group LLC88,000$0.12M0.0%-14.6%0.014%Search for SEC Filing on Google Icon
8/15/2025Vestal Point Capital LP23,775,000$33.52M1.8%+8.0%3.726%Search for SEC Filing on Google Icon
8/15/2025Rafferty Asset Management LLC828,509$1.17M0.0%-6.0%0.130%Search for SEC Filing on Google Icon
8/15/2025BNP Paribas Financial Markets74,524$0.11M0.0%-18.0%0.012%Search for SEC Filing on Google Icon
8/15/2025Boothbay Fund Management LLC572,002$0.81M0.0%+960.9%0.090%Search for SEC Filing on Google Icon
8/15/2025Brevan Howard Capital Management LP35,617$50K0.0%-71.6%0.006%Search for SEC Filing on Google Icon
8/15/2025Balyasny Asset Management L.P.1,554,849$2.19M0.0%-55.7%0.244%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE6,389,739$9.01M0.0%-34.1%1.001%Search for SEC Filing on Google Icon
8/15/2025683 Capital Management LLC3,100,000$4.37M0.3%+8.8%0.486%Search for SEC Filing on Google Icon
8/15/2025Ameriprise Financial Inc.696,781$0.98M0.0%-7.3%0.109%Search for SEC Filing on Google Icon
8/14/2025Raymond James Financial Inc.214,771$0.30M0.0%+50.5%0.034%Search for SEC Filing on Google Icon
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.372,513$0.53M0.0%-5.1%0.058%Search for SEC Filing on Google Icon
8/14/2025The Manufacturers Life Insurance Company 316,622$0.45M0.0%+6.2%0.050%Search for SEC Filing on Google Icon
8/14/2025Squarepoint Ops LLC3,599,221$5.08M0.0%+157.1%0.564%Search for SEC Filing on Google Icon
8/14/2025Sei Investments Co.34,073$48K0.0%-54.3%0.005%Search for SEC Filing on Google Icon
8/14/2025Velan Capital Investment Management LP70,000$99K0.1%-89.3%0.011%Search for SEC Filing on Google Icon
8/14/2025Qube Research & Technologies Ltd4,981,598$7.02M0.0%+3.9%0.781%Search for SEC Filing on Google Icon
8/13/2025Marshall Wace LLP944,790$1.33M0.0%-81.6%0.148%Search for SEC Filing on Google Icon
8/13/2025Walleye Capital LLC40,039$56K0.0%N/A0.006%Search for SEC Filing on Google Icon
8/13/2025Stonepine Capital Management LLC1,000,000$1.41M1.4%+100.0%0.157%Search for SEC Filing on Google Icon
8/13/2025Invesco Ltd.790,447$1.12M0.0%-78.2%0.124%Search for SEC Filing on Google Icon
8/13/2025Virtus Investment Advisers LLC284,868$0.40M0.1%+211.0%0.045%Search for SEC Filing on Google Icon
8/13/2025Quadrature Capital Ltd150,706$0.21M0.0%+86.6%0.024%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd124,522$0.18M0.0%+982.9%0.020%Search for SEC Filing on Google Icon
8/12/2025Edmond DE Rothschild Holding S.A.2,330,000$3.29M0.1%+9.4%0.365%Search for SEC Filing on Google Icon
8/12/2025Prudential Financial Inc.79,494$0.11M0.0%+72.3%0.012%Search for SEC Filing on Google Icon
8/12/2025Segall Bryant & Hamill LLC7,192,184$10.14M0.1%-3.2%1.127%Search for SEC Filing on Google Icon
8/12/2025Rhumbline Advisers873,893$1.23M0.0%+4.1%0.137%Search for SEC Filing on Google Icon
8/12/2025Legal & General Group Plc550,871$0.78M0.0%+8.3%0.086%Search for SEC Filing on Google Icon
8/12/2025DNB Asset Management AS190,763$0.27M0.0%+39.7%0.030%Search for SEC Filing on Google Icon
8/12/2025Swiss National Bank973,500$1.37M0.0%-2.2%0.153%Search for SEC Filing on Google Icon
8/12/2025Dynamic Technology Lab Private Ltd34,960$50K0.0%N/A0.005%Search for SEC Filing on Google Icon
8/11/2025Patient Square Capital LP716,000$1.01M0.4%N/A0.112%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC354,715$0.50M0.0%-33.8%0.056%Search for SEC Filing on Google Icon
8/8/2025Creative Planning357,427$0.50M0.0%+235.1%0.056%Search for SEC Filing on Google Icon
8/8/2025Police & Firemen s Retirement System of New Jersey143,832$0.20M0.0%+16.0%0.023%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC14,152,038$19.96M0.0%+4.3%2.222%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Geron logo
Geron Corporation, a late-stage clinical biopharmaceutical company, focuses on the development and commercialization of therapeutics for myeloid hematologic malignancies. It develops imetelstat, a telomerase inhibitor that is in Phase 3 clinical trials, which inhibits the uncontrolled proliferation of malignant stem and progenitor cells in myeloid hematologic malignancies for the treatment of low or intermediate-1 risk myelodysplastic syndromes and intermediate-2 or high-risk myelofibrosis. The company was incorporated in 1990 and is headquartered in Foster City, California.
Read More on Geron

Today's Range

Now: $1.27
Low: $1.25
High: $1.28

50 Day Range

MA: $1.23
Low: $1.07
High: $1.41

52 Week Range

Now: $1.27
Low: $1.04
High: $4.09

Volume

3,614,155 shs

Average Volume

7,787,376 shs

Market Capitalization

$810.70 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.57

Who are the company insiders with the largest holdings of Geron?

Geron's top insider shareholders include:
  1. John A Scarlett (CEO)
  2. Scott Alan Samuels (EVP)
  3. Andrew J Grethlein (COO)
  4. Faye Feller (EVP)
Learn More about top insider investors at Geron.

Who are the major institutional investors of Geron?

Geron's top institutional investors include:
  1. Deep Track Capital LP — 6.44%
  2. Vanguard Group Inc. — 5.40%
  3. Vestal Point Capital LP — 2.70%
  4. Millennium Management LLC — 1.78%
  5. Nantahala Capital Management LLC — 1.41%
  6. UBS Group AG — 1.21%
Learn More about top institutional investors of Geron stock.

Which major investors are selling Geron stock?

Within the last quarter, GERN stock was sold by these institutional investors:
  1. Vestal Point Capital LP
  2. UBS Group AG
  3. Bank of America Corp DE
  4. Woodline Partners LP
  5. Deep Track Capital LP
  6. Segall Bryant & Hamill LLC
  7. Vanguard Group Inc.
  8. Aberdeen Group plc

Which major investors are buying Geron stock?

In the last quarter, GERN stock was bought by institutional investors including:
  1. Nantahala Capital Management LLC
  2. Millennium Management LLC
  3. Two Sigma Investments LP
  4. Candriam S.C.A.
  5. Almitas Capital LLC
  6. Aquatic Capital Management LLC
  7. Schonfeld Strategic Advisors LLC
  8. Brevan Howard Capital Management LP
During the previous year, these company insiders have bought Geron stock:
  1. John A Scarlett (CEO)
  2. Scott Alan Samuels (EVP)
Learn More investors buying Geron stock.