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Beth Seidenberg Insider Profile
3,602 Followers
Beth Seidenberg, Director at Epizyme, holds 4.67M shares in Kyverna Therapeutics, Inc. (Ticker: KYTX), holds 0.00 shares in ACELYRIN, INC. (Ticker: SLRN), holds 135.56K shares in Vera Therapeutics (Ticker: VERA). Most recently, Beth Seidenberg Bought ― shares of Kyverna Therapeutics, Inc. on Dec 22, 2025 for an estimated value of $1000.00K.
Profitable Transactions
16 out of 18 Profitable Transactions
Average Return
+348.00%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that Beth Seidenberg holds in companies
Most Profitable Insider Trade
Stock:
Rating:Informative Buy
Date:Oct 15, 2014 - Oct 15, 2015
Return:+800.00%
The most profitable trade made by Beth Seidenberg
Beth Seidenberg's Trading History
Epizyme
Jun 07, 2019
―
Uninformative Buy
12.69K
$6.06M
Armo Biosciences Inc
Jun 22, 2018
―
Uninformative Sell
213.33M
$0.00
Progyny
May 28, 2024
Director
Uninformative Buy
―
$131.08M
Vera Therapeutics
Oct 30, 2024
Director
Uninformative Sell
720.46K
$6.31M
ACELYRIN, INC.
May 23, 2025
―
Uninformative Sell
―
$0.00
Sagimet Biosciences, Inc. Class A
Jul 20, 2023
Director
Uninformative Buy
―
$12.47M
Kyverna Therapeutics, Inc.
Dec 22, 2025
Director
Informative Buy
1000.00K
$39.07M
Tesaro
Jan 24, 2019
―
Uninformative Sell
166.66M
$0.00
Atara Biotherapeutics
Jun 02, 2023
Director
Uninformative Buy
―
$9.05M
Amgen
―
Sr VP, Dev & Chief Medical Ofc
―
$5.07M
BioCryst
―
Director
―
$19.98K
List of latest transactions for each holding click on a transaction to see Beth Seidenberg's performance on stock
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Beth Seidenberg insider profile FAQ
What is the percentage of profitable transactions made by Beth Seidenberg?
The percentage of profitable transactions made by Beth Seidenberg is 89%.
What is the average return per transaction made by Beth Seidenberg?
The average return per transaction made by Beth Seidenberg is 348.00%.
What stocks does Beth Seidenberg hold?
Beth Seidenberg holds: EPZM, ARMO, PGNY, VERA, SLRN, SGMT, KYTX, TSRO, ATRA, AMGN, BCRX stocks.
What was Beth Seidenberg’s latest transaction?
Beth Seidenberg latest transaction was an Informative Buy of $1000.00K.
What was Beth Seidenberg's most profitable transaction?
Beth Seidenberg’s most profitable transaction was an Informative Buy of ATRA stock on October 15, 2014. The return on the trade was 800.00%.
What is Beth Seidenberg's role in Epizyme?
Beth Seidenberg's role in Epizyme is Director.
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