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Clay Siegall Insider Profile

53 Followers
Clay Siegall, President & CEO, Director at Seagen, holds 666.06K shares in Seagen (Ticker: SGEN), holds ― shares in Synlogic (Ticker: SYBX), holds ― shares in Nurix Therapeutics (Ticker: NRIX).
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Clay Siegall

Clay Siegall
Seagen (SGEN)
President & CEO, Director

Ranked #4,367 out of 106,487 Corporate Insiders

Profitable Transactions

63%
10 out of 16 Profitable Transactions

Average Return

+28.40%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$14M
94.08%
5.56%
0.36%
0.00%
0.00% Others
A breakdown of Clay Siegall's holdings
See the Top Stocks by Insiders

Insider Roles

Immunome
(IMNM)
President & CEO, Director
Shattuck Labs
(STTK)
Director
Ultragenyx Pharmaceutical
(RARE)
Director
Synlogic
(SYBX)
Director
+1 other positions
Roles that Clay Siegall holds in companies
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Most Profitable Insider Trade

Stock:
Immunome
(IMNM)
Rating:Informative Buy
Date:Mar 26, 2025 - Mar 26, 2026
Return:+187.10%
The most profitable trade made by Clay Siegall
See the Latest Stocks Traded by Insiders

Clay Siegall's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
SGEN
Seagen
Apr 22, 2022
―
Uninformative Sell
272.02K
$152.35M
SYBX
Synlogic
―
Director
―
―
NRIX
Nurix Therapeutics
―
Director
―
―
IMNM
Immunome
Dec 30, 2025
President & CEO, Director
Informative Buy
100.02K
$13.05M
TRML
Tourmaline Bio
―
―
―
―
STTK
Shattuck Labs
Aug 27, 2025
Director
Uninformative Buy
110.13K
$770.89K
ALDR
Alder Biopharmaceuticals
Oct 24, 2019
―
Uninformative Sell
570.85K
$0.00
RARE
Ultragenyx Pharmaceutical
Aug 11, 2020
Director
Uninformative Buy
670.27K
$49.42K
List of latest transactions for each holding click on a transaction to see Clay Siegall's performance on stock
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Clay Siegall insider profile FAQ

What is the percentage of profitable transactions made by Clay Siegall?
The percentage of profitable transactions made by Clay Siegall is 63%.
    What is the average return per transaction made by Clay Siegall?
    The average return per transaction made by Clay Siegall is 28.40%.
      What stocks does Clay Siegall hold?
      Clay Siegall holds: SGEN, SYBX, NRIX, IMNM, TRML, STTK, ALDR, RARE stocks.
        What was Clay Siegall’s latest transaction?
        Clay Siegall latest transaction was an Uninformative Sell of $272.02K.
          What was Clay Siegall's most profitable transaction?
          Clay Siegall’s most profitable transaction was an Informative Buy of IMNM stock on March 26, 2025. The return on the trade was 187.10%.
            What is Clay Siegall's role in Seagen?
            Clay Siegall's role in Seagen is President & CEO, Director.
              How can I follow the stock ratings of top corporate insiders?
              Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.