Robert J. Spiegel Geron Corp (GERN) insider trading activity

GERN Quotes by TradingView

Robert J. Spiegel is of GERON CORP. Currently has a direct ownership of 194,464 shares of GERN, which is worth approximately $217,799. The most recent transaction as insider was on Dec 31, 2025, when has been sold 5,918 shares (Common Stock) at a price of $1.32 per share, resulting in proceeds of $7,811. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 194K
3.14% 3M change
12.8% 12M change
Total Value Held $217,799

Robert J. Spiegel Transaction History

Date Transaction Value Shares Traded Shares Held Form
Dec 31 2025
BUY
Grant, award, or other acquisition
$7,811 $1.32 p/Share
5,918 Added 2.95%
194,464 Common Stock
Sep 30 2025
BUY
Grant, award, or other acquisition
$7,811 $1.37 p/Share
5,702 Added 2.94%
188,546 Common Stock
Jun 30 2025
BUY
Grant, award, or other acquisition
$7,811 $1.41 p/Share
5,540 Added 2.94%
182,844 Common Stock
Mar 31 2025
BUY
Grant, award, or other acquisition
$7,811 $1.59 p/Share
4,913 Added 2.7%
177,304 Common Stock
Dec 31 2024
SELL
Grant, award, or other acquisition
-
2,206 Reduced 1.26%
172,391 Common Stock
Sep 30 2024
SELL
Grant, award, or other acquisition
-
1,767 Reduced 1.03%
170,185 Common Stock
Jun 28 2024
SELL
Grant, award, or other acquisition
-
1,916 Reduced 1.12%
168,418 Common Stock
Mar 29 2024
SELL
Grant, award, or other acquisition
-
2,462 Reduced 1.46%
166,502 Common Stock
Dec 29 2023
BUY
Grant, award, or other acquisition
-
3,406 Added 2.03%
164,040 Common Stock
Sep 29 2023
BUY
Grant, award, or other acquisition
-
3,390 Added 2.07%
160,634 Common Stock
Jun 30 2023
BUY
Grant, award, or other acquisition
-
2,239 Added 1.4%
157,244 Common Stock
Mar 31 2023
BUY
Grant, award, or other acquisition
-
3,312 Added 2.09%
155,005 Common Stock
Dec 30 2022
BUY
Grant, award, or other acquisition
-
2,970 Added 1.92%
151,693 Common Stock
Sep 30 2022
BUY
Grant, award, or other acquisition
-
3,071 Added 2.02%
148,723 Common Stock
Jun 30 2022
BUY
Grant, award, or other acquisition
-
4,637 Added 3.09%
145,652 Common Stock
Mar 31 2022
BUY
Grant, award, or other acquisition
-
5,284 Added 3.61%
141,015 Common Stock
Dec 31 2021
BUY
Grant, award, or other acquisition
-
5,891 Added 4.16%
135,731 Common Stock
Sep 30 2021
BUY
Grant, award, or other acquisition
-
5,246 Added 3.88%
129,840 Common Stock
Jun 30 2021
BUY
Grant, award, or other acquisition
-
5,097 Added 3.93%
124,594 Common Stock
Mar 31 2021
BUY
Grant, award, or other acquisition
-
4,549 Added 3.67%
119,497 Common Stock
Dec 31 2020
BUY
Grant, award, or other acquisition
-
4,520 Added 3.78%
114,948 Common Stock
Sep 30 2020
BUY
Grant, award, or other acquisition
-
4,130 Added 3.61%
110,428 Common Stock

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Robert J. Spiegel

Buffalo, NY

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