Bihua Chen

MLTX

Bihua Chen serves as Insider at MoonLake Immunotherapeutics (MLTX). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

6 trades

$72.92M

Total Sells

2 trades

$50.62M

Net Position

Net Buyer

$22.30M

Companies Traded

MLTX, BBOT, BMEA, ERAS

Active Period

Apr 2021 – Sep 2025

8 total trades

Most Recent

Sell MLTX

Sep 29, 2025 · $46.87M

Bihua Chen's Insider Trading at MoonLake Immunotherapeutics (MLTX)

Buys

0 · $0.00

Sells

1 · $46.87M

Total Shares Bought

Total Shares Sold

6,499,978

MLTX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Sep 29, 2025↗	Sell	6,499,978	$7.21	$46.87M	0

Bihua Chen's Insider Trading at Biomea Fusion, Inc. (BMEA)

Buys

2 · $27.30M

Sells

0 · $0.00

Total Shares Bought

1,300,000

Total Shares Sold

BMEA Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 30, 2023↗	Buy	400,000	$30.00	$12.00M	0
Apr 20, 2021↗	Buy	900,000	$17.00	$15.30M	0

Bihua Chen's Insider Trading at Erasca, Inc. (ERAS)

Buys

3 · $21.62M

Sells

1 · $3.75M

Total Shares Bought

1,457,692

Total Shares Sold

200,000

ERAS Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Dec 20, 2022↗	Buy	307,692	$6.50	$2.00M	10,813,200
Jul 26, 2021↗	Buy	200,000	$22.10	$4.42M	10,505,600
Jul 26, 2021↗	Sell	200,000	$18.77	$3.75M	10,305,600
Jul 20, 2021↗	Buy	950,000	$16.00	$15.20M	10,505,600

Bihua Chen's Insider Trading at BridgeBio Oncology Therapeutics Inc. (BBOT)

Buys

1 · $24.00M

Sells

0 · $0.00

Total Shares Bought

2,400,000

Total Shares Sold

BBOT Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 13, 2024↗	Buy	2,400,000	$10.00	$24.00M	0

Related Insiders

Matthias Bodenstedt

Chief Financial Officer

MLTXSell · Dec 19, 2025

Kristian Reich

Chief Scientific Officer

MLTXSell · Dec 19, 2025

da Silva Jorge Santos

Chief Executive Officer

MLTXSell · Dec 19, 2025

Rainer M Erdtmann

See Remarks

BMEABuy · Dec 11, 2025

Michael J.M. Hitchcock

Interim CEO

BMEABuy · Dec 2, 2025

Catherine Moukheibir

Director

MLTXSell · Jul 3, 2025

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