Insider Transactions

What Geron Corporation's executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.

Insider trades

	3 months	12 months
Open-market buys	0	0
Sells	0	1
Total trades	1	6

Shares traded

	3 months	12 months
Acquired	6,351	51,115
Disposed	0	9,855
Net activity	+6,351	+41,260

See the story behind these numbers

View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.

Open-market buyer Disclosed 10b5-1 Heavy discretionary Sign up free

All transactions

All Buys Sells

Insider	Relation	Date	Transaction	Shares	Price	Value	Shares held
Spiegel Robert J.	Director	Sep 30	Grant / award · A	+6,351	$1.23	+$7.81K	212,161
Spiegel Robert J.	Director	Jun 30	Grant / award · A	+6,103	$1.28	+$7.81K	205,810
Spiegel Robert J.	Director	Mar 31	Grant / award · A	+5,243	$1.49	+$7.81K	199,707
Robertson Michelle	EVP, CHIEF FINANCIAL OFFICER	Feb 18	Open-market sale · S	−9,855	$1.94	−$19.1K	17,645
Robertson Michelle	EVP, CHIEF FINANCIAL OFFICER	Feb 18	Exercise / conversion · M	+27,500	—	—	27,500
Spiegel Robert J.	Director	Dec 31	Grant / award · A	+5,918	$1.32	+$7.81K	194,464
Spiegel Robert J.	Director	Sep 30	Grant / award · A	+5,702	$1.37	+$7.81K	188,546
Spiegel Robert J.	Director	Jun 30	Grant / award · A	+5,540	$1.41	+$7.81K	182,844
Lawlis V Bryan	Director	May 09	Open-market buy · P	+13,300	$1.18	+$15.7K	13,300
Spiegel Robert J.	Director	Mar 31	Grant / award · A	+4,913	$1.59	+$7.81K	177,304
Ziegler James	EVP, Chief Commercial Officer	Feb 27	Open-market buy · P	+100,000	$1.60	+$160K	100,000
Scarlett John A	Chairman, President and CEO	Feb 27	Open-market buy · P	+12,500	$1.77	+$22.1K	12,500
Samuels Scott Alan	EVP, Chief Legal Officer	Feb 27	Open-market buy · P	+15,000	$1.61	+$24.2K	26,682
Spiegel Robert J.	Director	Dec 31	Grant / award · A	+2,206	$3.54	+$7.81K	172,391
Spiegel Robert J.	Director	Sep 30	Grant / award · A	+1,767	$4.54	+$8.02K	170,185
Grethlein Andrew J	EVP, Chief Operating Officer	Jul 08	Open-market sale · S	−674,348	$4.56	−$3.07M	0
Grethlein Andrew J	EVP, Chief Operating Officer	Jul 08	Exercise / conversion · M	+674,348	$1.72	+$1.16M	674,348
Spiegel Robert J.	Director	Jun 28	Grant / award · A	+1,916	$4.24	+$8.12K	168,418
Kapur Anil	EVP, Corp Strategy & CCO	Jun 10	Open-market sale · S	−421,875	$4.65	−$1.96M	0
Kapur Anil	EVP, Corp Strategy & CCO	Jun 10	Exercise / conversion · M	+421,875	$1.06	+$447K	421,875

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