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Aaron Deykin Insider Profile

4 Followers
Aaron Deykin, CMO at Upstream Bio, Inc., holds 32.30K shares in Upstream Bio, Inc. (Ticker: UPB). Most recently, Aaron Deykin Sold 895 shares of Upstream Bio, Inc. on Sep 17, 2026 for an estimated value of $4.91K.
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Aaron Deykin

Aaron Deykin
Upstream Bio, Inc. (UPB)
CMO

Ranked #31,813 out of 109,349 Corporate Insiders

Profitable Transactions

100%
2 out of 2 Profitable Transactions

Average Return

+60.00%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark

Insider Holdings

$110K
100.00%
A breakdown of Aaron Deykin's holdings

Insider Roles

Upstream Bio, Inc.
(UPB)
CMO
Roles that Aaron Deykin holds in companies

Most Profitable Insider Trade

Stock:
Upstream Bio, Inc.
(UPB)
Rating:Informative Sell
Date:Mar 17, 2026 - Today
Return:+71.70%
The most profitable trade made by Aaron Deykin

Aaron Deykin's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
Upstream Bio, Inc.
Sep 17, 2026
CMO
Informative Sell
4.91K
$110.15K
Success Rate for
UPB
2 out of 2 profitable transactions on
UPB
100%
Average Return for
UPB
Average return per transaction on
UPB
+60.00%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Jan 06, 2026
Uninformative Buy
$0.00
32,000
$0.00
―
Jun 17, 2026
Uninformative Sell
$5.46K
895
$6.10
―
Sep 17, 2026
Informative Sell
$4.91K
895
$5.49
+48.30%
Mar 17, 2026
Informative Sell
$8.31K
894
$9.29
+71.70%
List of latest transactions for each holding click on a transaction to see Aaron Deykin's performance on stock

Aaron Deykin insider profile FAQ

What is the percentage of profitable transactions made by Aaron Deykin?
The percentage of profitable transactions made by Aaron Deykin is 100%.
    What is the average return per transaction made by Aaron Deykin?
    The average return per transaction made by Aaron Deykin is 60.00%.
      What stocks does Aaron Deykin hold?
      Aaron Deykin holds: UPB stocks.
        What was Aaron Deykin’s latest transaction?
        Aaron Deykin latest transaction was an Informative Sell of $4.91K.
          What was Aaron Deykin's most profitable transaction?
          Aaron Deykin’s most profitable transaction was an Informative Sell of UPB stock on March 17, 2026. The return on the trade was 71.70%.
            What is Aaron Deykin's role in Upstream Bio, Inc.?
            Aaron Deykin's role in Upstream Bio, Inc. is CMO.
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