Bihua Chen

Insider Reports History

Location
Boston, MA
Signature
/s/ Bihua Chen
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Bihua Chen:

Company Role Class Num Shares Value Price $ Report Date Ownership
BridgeBio Oncology Therapeutics, Inc. Director, 10%+ Owner Common Stock 5,952,356 $63,793,185 $10.72 11 Aug 2025 Via Master Fund
BridgeBio Oncology Therapeutics, Inc. Director, 10%+ Owner Common Stock 4,528,186 $48,529,928 $10.72 11 Aug 2025 Via Helix Holdings II LLC
BridgeBio Oncology Therapeutics, Inc. Director, 10%+ Owner Common Stock 3,305,470 $35,425,714 $10.72 11 Aug 2025 Via Fund V
BridgeBio Oncology Therapeutics, Inc. Director, 10%+ Owner Common Stock 2,187,536 $23,444,479 $10.72 11 Aug 2025 Via Fund III
BridgeBio Oncology Therapeutics, Inc. Director, 10%+ Owner Common Stock 1,905,046 $20,416,949 $10.72 11 Aug 2025 Via Fund IV
Erasca, Inc. Director Common Stock 10,813,246 $17,187,655 $1.59 22 Jun 2023 Indirect
MoonLake Immunotherapeutics Former 10% Owner Class A Ordinary Shares 1,994,173 $13,879,444 $6.96 30 Sep 2025 Indirect
Biomea Fusion, Inc. Former Director Common Stock 3,570,872 $5,820,521 $1.63 01 Aug 2025 Indirect
Biomea Fusion, Inc. Former Director Stock Option (Right to Buy) 91,970 $149,911 $1.63 01 Aug 2025 Direct
Erasca, Inc. Director Stock Option (right to buy) 60,000 22 Jun 2023 Direct
BridgeBio Oncology Therapeutics, Inc. Director, 10%+ Owner Class B ordinary shares 0 11 Aug 2025 Indirect

Insider Reports Filed by Bihua Chen

Symbol Company Period Transactions Value $ Form Type Role Filing Time
MLTX MoonLake Immunotherapeutics 29 Sep 2025 5 -$46,868,184 4 Former 10% Owner 01 Oct 2025, 17:22
HLXB BridgeBio Oncology Therapeutics, Inc. 11 Aug 2025 10 +$74,999,998 4 Director, 10%+ Owner 13 Aug 2025, 08:28
BMEA Biomea Fusion, Inc. 01 Aug 2025 0 $0 4 Former Director 01 Aug 2025, 16:05
BMEA Biomea Fusion, Inc. 11 Jun 2025 1 $0 4 Director, 10%+ Owner 13 Jun 2025, 16:02
HLXB Helix Acquisition Corp. II 08 Feb 2025 1 $0 4 CEO and Chairperson, Director, 10%+ Owner 10 Feb 2025, 17:06
BMEA Biomea Fusion, Inc. 12 Jun 2024 1 $0 4 Director, 10%+ Owner 13 Jun 2024, 16:38
HLXB Helix Acquisition Corp. II 13 Feb 2024 4 +$29,090,000 4 CEO and Chairperson, Director, 10%+ Owner 13 Feb 2024, 19:48
HLXB Helix Acquisition Corp. II 08 Feb 2024 0 $0 3 CEO and Chairperson, Director, 10%+ Owner 09 Feb 2024, 06:06
MLTX MoonLake Immunotherapeutics 05 Oct 2023 1 +$3,524,297 4 10%+ Owner 10 Oct 2023, 16:00
MLTX MoonLake Immunotherapeutics 02 Oct 2023 3 +$16,800,343 4 10%+ Owner 04 Oct 2023, 17:52
MLTX MoonLake Immunotherapeutics 30 Jun 2023 1 +$40,000,000 4 10%+ Owner 05 Jul 2023, 16:05
MLTX MoonLake Immunotherapeutics 26 Jun 2023 27 +$20,535,012 4 10%+ Owner 28 Jun 2023, 18:28
ERAS Erasca, Inc. 22 Jun 2023 1 $0 4 Director 26 Jun 2023, 16:06
BMEA Biomea Fusion, Inc. 14 Jun 2023 1 $0 4 Director, 10%+ Owner 16 Jun 2023, 17:03
BMEA Biomea Fusion, Inc. 30 Mar 2023 1 +$12,000,000 4 Director, 10%+ Owner 03 Apr 2023, 16:30
MLTX MoonLake Immunotherapeutics 20 Mar 2023 4 +$16,774,846 4 10%+ Owner 22 Mar 2023, 17:07
ERAS Erasca, Inc. 20 Dec 2022 1 +$1,999,998 4 Director 20 Dec 2022, 16:42
ERAS Erasca, Inc. 13 Dec 2022 1 +$1,999,998 4/A Director 21 Dec 2022, 15:33
ERAS Erasca, Inc. 22 Jun 2022 1 $0 4 Director 24 Jun 2022, 16:04
BMEA Biomea Fusion, Inc. 22 Jun 2022 1 $0 4 Director, 10%+ Owner 24 Jun 2022, 16:00
MLTX MoonLake Immunotherapeutics 05 Apr 2022 3 +$28,500,000 4 10%+ Owner 07 Apr 2022, 18:26
ERAS Erasca, Inc. 26 Jul 2021 2 +$667,000 4 Director 10 Aug 2021, 16:02
ERAS Erasca, Inc. 20 Jul 2021 5 +$15,200,000 4 Director 22 Jul 2021, 16:10
ERAS Erasca, Inc. 15 Jul 2021 0 $0 3/A Director, 10%+ Owner 16 Jul 2021, 17:59