Robert Nelsen Insider Profile
32 Followers
Robert Nelsen, Director, Ten Percent Owner at Prime Medicine, Inc., holds 18.50M shares in Prime Medicine, Inc. (Ticker: PRME), holds 13.53M shares in Vir Biotechnology (Ticker: VIR), holds 22.76M shares in Sana Biotechnology (Ticker: SANA). Most recently, Robert Nelsen Bought ― shares of Prime Medicine, Inc. on Aug 01, 2025 for an estimated value of $10.00M.
Robert Nelsen Prime Medicine, Inc. (PRME)Director, Ten Percent Owner
Prime Medicine, Inc. (PRME)
Director, Ten Percent Owner
Ranked #18,555 out of 108,437 Corporate Insiders
Profitable Transactions
3 out of 12 Profitable Transactions
Average Return
+9.70%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that Robert Nelsen holds in companies
Most Profitable Insider Trade
Stock:
Karuna Therapeutics
(KRTX)
(KRTX)
Rating:Informative Buy
Date:Jul 02, 2019 - Jul 02, 2020
Return:+405.70%
The most profitable trade made by Robert Nelsen
Robert Nelsen's Trading History
Prime Medicine, Inc.
Aug 01, 2025
Director, Ten Percent Owner
Informative Buy
10.00M
$58.65M
Juno Therapeutics
Mar 07, 2018
―
Uninformative Sell
922.76M
$0.00
Sienna Biopharmaceuticals
―
Director, Ten Percent Owner
―
―
Denali Therapeutics
Jun 04, 2021
Director
Uninformative Buy
―
$240.29M
Unity Biotechnology
May 07, 2018
―
Uninformative Buy
―
$562.70K
Karuna Therapeutics
Apr 15, 2021
―
Uninformative Buy
―
$482.11M
Vir Biotechnology
Jun 03, 2024
Director
Uninformative Buy
―
$121.81M
Beam Therapeutics
Apr 02, 2021
Director, Ten Percent Owner
Uninformative Buy
―
$93.73M
Sana Biotechnology
Feb 12, 2024
Director, Ten Percent Owner
Informative Buy
10.00M
$83.53M
Lyell Immunopharma
Jun 23, 2021
Director, Ten Percent Owner
Uninformative Buy
―
$500.31M
Agios Pharma
Mar 07, 2017
Director
Informative Sell
2.06M
$56.16M
SAGE Therapeutics
Nov 12, 2015
―
Uninformative Buy
―
$10.70M
Bellerophon
Feb 23, 2015
―
Uninformative Buy
―
$11.59K
Kythera
Mar 26, 2015
―
Informative Buy
108.26K
$771.92K
Alnylam Pharma
―
Ten Percent Owner
―
$50.53M
Fate Therapeutics
Oct 04, 2013
Director, Ten Percent Owner
Uninformative Buy
770.68K
$6.23M
Neurogesx
Jul 26, 2011
―
Informative Buy
2.88M
$20.94K
Bio Green Med Solution
―
Director, Ten Percent Owner
―
$0.00
List of latest transactions for each holding click on a transaction to see Robert Nelsen's performance on stock
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Robert Nelsen insider profile FAQ
What is the percentage of profitable transactions made by Robert Nelsen?
The percentage of profitable transactions made by Robert Nelsen is 25%.
What is the average return per transaction made by Robert Nelsen?
The average return per transaction made by Robert Nelsen is 9.70%.
What stocks does Robert Nelsen hold?
Robert Nelsen holds: PRME, JUNO, SNNAQ, DNLI, UNBX, KRTX, VIR, BEAM, SANA, LYEL, AGIO, SAGE, BLPH, KYTH, ALNY, FATE, NGSX, BGMS stocks.
What was Robert Nelsen’s latest transaction?
Robert Nelsen latest transaction was an Informative Buy of $10.00M.
What was Robert Nelsen's most profitable transaction?
Robert Nelsen’s most profitable transaction was an Informative Buy of KRTX stock on July 2, 2019. The return on the trade was 405.70%.
What is Robert Nelsen's role in Prime Medicine, Inc.?
Robert Nelsen's role in Prime Medicine, Inc. is Director, Ten Percent Owner.
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