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Data

SEC EDGAR Form 4 ↗
CongressStock.com ↗
Track13F.com ↗
About the data

© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Companies/GERON CORP

GERON CORP

61 insider trades tracked

GERN

Insider trades

61

Total bought

$2.6M

Total sold

$5.8M

Unique insiders

19

Recent insider trades

Most recent Form 4 filings for GERON CORP.

Chinoporos Constantinegranted270,000 shares ofGERNat $0Mar 26Details
Andrews Patricia Sgranted270,000 shares ofGERNat $0Mar 26Details
ROBERTSON MICHELLEsold9,855 shares ofGERNat $1.94$19KFeb 19Details
ROBERTSON MICHELLEexercised27,500 shares ofGERNat $0Feb 19Details

Insiders at this company

Executives and directors who have filed Form 4s.

Spiegel Robert J.8 trades
Feller Faye7 trades
SCARLETT JOHN A7 trades
ROBERTSON MICHELLE7 trades
Samuels Scott Alan5 trades
GRETHLEIN ANDREW J4 trades
Kapur Anil4 trades
LAWLIS V BRYAN3 trades

Eid Josephgranted2,220,000 shares ofGERNat $0Feb 19Details

ROBERTSON MICHELLEgranted1,660,000 shares ofGERNat $0Feb 19Details

Spiegel Robert J.granted5,918 shares ofGERNat $1.32$8KJan 5Details

ElNawawi Ahmedgranted3,000,000 shares ofGERNat $0Oct 20Details

Spiegel Robert J.granted5,702 shares ofGERNat $1.37$8KOct 1Details

Semerjian Haroutgranted4,000,000 shares ofGERNat $0Aug 8Details

Semerjian Haroutgranted7,000,000 shares ofGERNat $0Aug 8Details

Spiegel Robert J.granted5,540 shares ofGERNat $1.41$8KJul 1Details

Samuels Scott Alanbought15,000 shares ofGERNat $1.61$24KMar 3Details

SCARLETT JOHN Abought12,500 shares ofGERNat $1.765$22KMar 3Details

Ziegler Jamesbought100,000 shares ofGERNat $1.6$160KMar 3Details

GRETHLEIN ANDREW Jgranted140,000 shares ofGERNat $0Feb 20Details

GRETHLEIN ANDREW Jgranted839,000 shares ofGERNat $0Feb 20Details

SCARLETT JOHN Agranted410,000 shares ofGERNat $0Feb 20Details

SCARLETT JOHN Agranted2,457,000 shares ofGERNat $0Feb 20Details

Samuels Scott Alangranted104,000 shares ofGERNat $0Feb 20Details

Samuels Scott Alangranted621,000 shares ofGERNat $0Feb 20Details

ROBERTSON MICHELLEgranted110,000 shares ofGERNat $0Feb 20Details

ROBERTSON MICHELLEgranted656,000 shares ofGERNat $0Feb 20Details

Ziegler Jamesgranted89,000 shares ofGERNat $0Feb 20Details

Ziegler Jamesgranted529,000 shares ofGERNat $0Feb 20Details

Spiegel Robert J.granted2,206 shares ofGERNat $0Jan 2Details

Spiegel Robert J.granted1,916 shares ofGERNat $0Jun 28Details

Feller Fayesold287,900 shares ofGERNat $4.634$1.3MJun 12Details

Feller Fayeexercised155,400 shares ofGERNat $1.295$201KJun 12Details

Feller Fayeexercised20,000 shares ofGERNat $1.06$21KJun 12Details

Ziegler James

3 trades

Molineaux Susan2 trades

Aggarwal Gaurav2 trades

Semerjian Harout2 trades

Chinoporos Constantine1 trades

Andrews Patricia S1 trades

Eid Joseph1 trades

ElNawawi Ahmed1 trades

McDonald John F1 trades

Bir Dawn Carter1 trades

O'Farrell Elizabeth G.1 trades

GERON CORP (GERN) — Insider Trading Activity | Insider Trading Screener