Bihua Chen

MLTX

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

Total Buys

7 trades

$77.92M

Total Sells

2 trades

$50.62M

Net Position

Net Buyer

$27.30M

Companies Traded

BLSM, MLTX, BBOT, BMEA

Active Period

Apr 2021 – Aug 2026

9 total trades

Most Recent

Buy BLSM

Aug 10, 2026 · $5.00M

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	10,813,246
Jul 26, 2021	Buy	200,000	$22.10	$4.42M	10,505,553
Jul 26, 2021	Sell	200,000	$18.77	$3.75M	10,305,553
Jul 20, 2021	Buy	950,000	$16.00	$15.20M	10,505,553

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

Bihua Chen's Insider Trading at BLSM (BLSM)

Buys

1 · $5.00M

Sells

0 · $0.00

Total Shares Bought

312,500

Total Shares Sold

BLSM Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 10, 2026	Buy	312,500	$16.00	$5.00M	3,614,034

Related Insiders

Jason A Keyes

Chief Financial Officer

BLSMBuy · Aug 10, 2026

Liptak Vincent Paul

General Counsel

BLSMBuy · Aug 10, 2026

John P. Schmid

BLSMBuy · Aug 10, 2026

Kristian Reich

Chief Scientific Officer

MLTXSell · Dec 8, 2025

da Silva Jorge Santos

Chief Executive Officer

MLTXSell · Dec 8, 2025

Matthias Bodenstedt

Chief Financial Officer

MLTXBuy · Oct 8, 2025

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