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Bihua Chen Insider Profile

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Bihua Chen, Director, Ten Percent Owner at BlossomHill Therapeutics, Inc., holds 3.61M shares in BlossomHill Therapeutics, Inc. (Ticker: BLSM), holds 17.88M shares in BridgeBio Oncology Therapeutics (Ticker: BBOT), holds 497.50K shares in Helix Acquisition Corp. III Class A (Ticker: HLXC).
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Bihua Chen

Bihua Chen
BlossomHill Therapeutics, Inc. (BLSM)
Director, Ten Percent Owner

Ranked #82,547 out of 109,030 Corporate Insiders

Profitable Transactions

31%
5 out of 16 Profitable Transactions

Average Return

-8.80%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$381M
45.92%
23.73%
20.65%
6.64%
3.06% Others
A breakdown of Bihua Chen's holdings
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Insider Roles

Erasca
(ERAS)
Director
BridgeBio Oncology Therapeutics
(BBOT)
Director, Ten Percent Owner
BlossomHill Therapeutics, Inc.
(BLSM)
Director, Ten Percent Owner
MoonLake Immunotherapeutics
(MLTX)
Former 10% Owner
+2 other positions
Roles that Bihua Chen holds in companies
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Most Profitable Insider Trade

Stock:
MoonLake Immunotherapeutics
(MLTX)
Rating:Informative Buy
Date:Mar 22, 2023 - Mar 22, 2024
Return:+144.70%
The most profitable trade made by Bihua Chen
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Bihua Chen's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
BLSM
BlossomHill Therapeutics, Inc.
Aug 10, 2026
Director, Ten Percent Owner
Uninformative Buy
―
$78.57M
MLTX
MoonLake Immunotherapeutics
Oct 01, 2025
Former 10% Owner
Informative Sell
46.87M
$25.29M
BMEA
Biomea Fusion
Apr 03, 2023
Former Director
Informative Buy
12.00M
$6.36M
ERAS
Erasca
Dec 20, 2022
Director
Informative Buy
2.00M
$174.74M
BBOT
BridgeBio Oncology Therapeutics
Jul 06, 2026
Director, Ten Percent Owner
Uninformative Buy
―
$90.29M
HLXC
Helix Acquisition Corp. III Class A
Jan 26, 2026
Chairperson and CEO, Director, Ten Percent Owner
Uninformative Buy
4.97M
$5.30M
List of latest transactions for each holding click on a transaction to see Bihua Chen's performance on stock
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Bihua Chen insider profile FAQ

What is the percentage of profitable transactions made by Bihua Chen?
The percentage of profitable transactions made by Bihua Chen is 31%.
    What is the average return per transaction made by Bihua Chen?
    The average return per transaction made by Bihua Chen is -8.80%.
      What stocks does Bihua Chen hold?
      Bihua Chen holds: BLSM, MLTX, BMEA, ERAS, BBOT, HLXC stocks.
        What was Bihua Chen’s latest transaction?
        Bihua Chen latest transaction was an Uninformative Buy of ―.
          What was Bihua Chen's most profitable transaction?
          Bihua Chen’s most profitable transaction was an Informative Buy of MLTX stock on March 22, 2023. The return on the trade was 144.70%.
            What is Bihua Chen's role in BlossomHill Therapeutics, Inc.?
            Bihua Chen's role in BlossomHill Therapeutics, Inc. is Director, Ten Percent Owner.
              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.