Chen Bihua (CIK 0001599214)

Latest company ownership

ERAS - Erasca, Inc.
Role: Director
Shares held
11,019,912
Last filed at
Jun 26, 2023
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q3 2025Q4
Shares held
10,124,482
Last filed at
Aug 13, 2025
Confidence Score
50.0
2025Q4
Confidence Score History
2024Q1 2025Q4
Shares held
8,325,000
Last filed at
May 8, 2024
Confidence Score
35.0
2025Q4
Confidence Score History
2023Q4 2025Q4
Shares held
3,570,872
Last filed at
Aug 1, 2025
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q2 2025Q4
IMRX - Immuneering Corp
Role: 10% Owner
Shares held
2,895,273
Last filed at
Apr 3, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q3 2025Q4
Shares held
2,375,000
Last filed at
Sep 24, 2024
Confidence Score
27.5
2025Q4
Confidence Score History
2024Q1 2025Q4
Shares held
2,214,545
Last filed at
Jun 18, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q2 2025Q4
Shares held
1,994,173
Last filed at
Oct 1, 2025
Confidence Score
43.4
2025Q4
Confidence Score History
2020Q4 2025Q4
Shares held
1,661,998
Last filed at
May 31, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q2 2025Q4
Shares held
1,530,691
Last filed at
Jul 7, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q3 2025Q4
BCAB - BioAtla, Inc.
Role: Director
Shares held
1,492,060
Last filed at
Dec 22, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q4 2025Q4
Shares held
1,404,953
Last filed at
Apr 1, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q1 2025Q4
Shares held
1,179,529
Last filed at
Oct 1, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2024Q3 2025Q4
Shares held
1,059,331
Last filed at
Nov 6, 2024
Confidence Score
50.1
2025Q4
Confidence Score History
2024Q4 2025Q4
Shares held
1,007,421
Last filed at
Jun 27, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q2 2025Q4
Shares held
800,189
Last filed at
Feb 19, 2025
Confidence Score
50.6
2025Q4
Confidence Score History
2025Q1 2025Q4
Shares held
757,432
Last filed at
Sep 21, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q3 2025Q4
Shares held
723,177
Last filed at
Nov 23, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q4 2025Q4
Shares held
668,854
Last filed at
Oct 15, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q4 2025Q4
Shares held
477,857
Last filed at
Jun 30, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q2 2025Q4
Shares held
237,015
Last filed at
Oct 27, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q4 2025Q4
Shares held
0
Last filed at
May 19, 2025
Confidence Score
47.7
2025Q4
Confidence Score History
2025Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 11, 2025 Dec 15, 2025 Corbus Pharmaceuticals Holdings, Inc. 10% Owner Sell 20.0 -30,029 -1.26% ✗ $344K
Dec 4, 2025 Dec 8, 2025 EyePoint Pharmaceuticals, Inc. Other Sell 30.0 -60,000 -0.72% ✗ $942.2K
Sep 29, 2025 Oct 1, 2025 MoonLake Immunotherapeutics Other Sell 15.0 -6,499,978 -76.52% ✗ $46.9M
May 15, 2025 May 19, 2025 OnKure Therapeutics, Inc. Other Sell 17.5 -1,813,439 -100.00% ✗ $3.4M
May 12, 2025 May 14, 2025 OnKure Therapeutics, Inc. 10% Owner Sell 26.3 -24,300 -1.32% ✗ $48.2K
Feb 14, 2025 Feb 19, 2025 Aardvark Therapeutics, Inc. Other Buy 100.0 +187,500 23.43% ✗ $3M
Nov 4, 2024 Nov 6, 2024 BRIGHT MINDS BIOSCIENCES INC. 10% Owner Buy 100.0 +184,331 21.07% ✗ $4M
Oct 15, 2024 Oct 17, 2024 BRIGHT MINDS BIOSCIENCES INC. 10% Owner Buy 100.0 +422,591 93.41% ✗ $3.2M
Sep 27, 2024 Oct 1, 2024 BioAge Labs, Inc. Other Buy 100.0 +450,000 38.15% ✗ $8.1M
Sep 20, 2024 Sep 24, 2024 Corbus Pharmaceuticals Holdings, Inc. 10% Owner Buy 100.0 +350,000 17.28% ✗ $7M
May 6, 2024 May 8, 2024 EyePoint Pharmaceuticals, Inc. 10% Owner Buy 100.0 +850,000 11.37% ✗ $10.1M
Apr 18, 2024 Apr 22, 2024 EyePoint Pharmaceuticals, Inc. 10% Owner Buy 97.5 +581,765 8.44% ✗ $10.5M
Apr 1, 2024 Apr 3, 2024 Immuneering Corp 10% Owner Sell 17.5 -400,000 -12.14% ✗ $1.2M
Mar 14, 2024 Mar 18, 2024 Immuneering Corp 10% Owner Sell 17.5 -909,091 -21.62% ✗ $2.7M
Mar 7, 2024 Mar 11, 2024 Corbus Pharmaceuticals Holdings, Inc. 10% Owner Buy 100.0 +550,000 37.29% ✗ $23.3M
Feb 13, 2024 Feb 13, 2024 BridgeBio Oncology Therapeutics, Inc. CEO Buy 100.0 +2,909,000 100.00% ✗ $24M
Feb 2, 2024 Feb 6, 2024 Corbus Pharmaceuticals Holdings, Inc. 10% Owner Buy 100.0 +750,000 103.45% ✗ $14.3M
Jan 26, 2024 Jan 30, 2024 Corbus Pharmaceuticals Holdings, Inc. 10% Owner Buy 100.0 +282,632 63.89% ✗ $9.1M
Jan 9, 2024 Jan 11, 2024 EyePoint Pharmaceuticals, Inc. 10% Owner Buy 100.0 +855,000 14.16% ✗ $17.1M
Dec 8, 2023 Dec 12, 2023 EyePoint Pharmaceuticals, Inc. 10% Owner Buy 100.0 +588,235 10.79% ✗ $10M
Dec 4, 2023 Dec 6, 2023 EyePoint Pharmaceuticals, Inc. 10% Owner Buy 100.0 +1,919,057 54.35% ✗ $41.9M
Oct 5, 2023 Oct 10, 2023 MoonLake Immunotherapeutics 10% Owner Buy 77.5 +58,839 0.70% ✗ $3.5M
Oct 2, 2023 Oct 4, 2023 MoonLake Immunotherapeutics 10% Owner Buy 95.0 +293,212 3.60% ✗ $16.8M
Jun 30, 2023 Jul 5, 2023 MoonLake Immunotherapeutics 10% Owner Buy 100.0 +800,000 19.38% ✗ $40M
Jun 26, 2023 Jun 28, 2023 MoonLake Immunotherapeutics 10% Owner Buy 100.0 +450,000 12.24% ✗ $20.5M
Mar 30, 2023 Apr 3, 2023 Biomea Fusion, Inc. Director Buy 100.0 +400,000 12.61% ✗ $12M
Mar 20, 2023 Mar 22, 2023 MoonLake Immunotherapeutics 10% Owner Buy 100.0 +827,100 29.02% ✗ $16.8M
Dec 13, 2022 Dec 21, 2022 Erasca, Inc. Director Buy 92.5 +307,692 2.93% ✗ $2M
Dec 13, 2022 Dec 20, 2022 Erasca, Inc. Director Buy 92.5 +307,692 2.93% ✗ $2M
Apr 5, 2022 Apr 7, 2022 MoonLake Immunotherapeutics 10% Owner Buy 100.0 +2,850,000 100.00% ✗ $28.5M
Oct 25, 2021 Oct 27, 2021 Ventyx Biosciences, Inc. Other Buy 100.0 +625,000 79.59% ✗ $10M
Oct 13, 2021 Oct 15, 2021 Pyxis Oncology, Inc. Director Buy 100.0 +450,000 67.28% ✗ $7.2M
Sep 17, 2021 Sep 21, 2021 Tyra Biosciences, Inc. Director Buy 100.0 +312,500 41.26% ✗ $5M
Jul 26, 2021 Aug 10, 2021 Erasca, Inc. Director Buy 45.0 - 0.00% ✗ $667K
Aug 3, 2021 Aug 5, 2021 Immuneering Corp 10% Owner Buy 100.0 +550,000 32.30% ✗ $8.3M
Jul 20, 2021 Jul 22, 2021 Erasca, Inc. Director Buy 97.5 +950,000 9.94% ✗ $15.2M
Jul 2, 2021 Jul 7, 2021 Jade Biosciences, Inc. Other Buy 100.0 +500,000 32.66% ✗ $7M
Jun 28, 2021 Jun 30, 2021 Monte Rosa Therapeutics, Inc. 10% Owner Buy 100.0 +600,000 23.06% ✗ $11.4M
Apr 20, 2021 Apr 22, 2021 Biomea Fusion, Inc. Director Buy 100.0 +900,000 39.63% ✗ $15.3M
Mar 30, 2021 Apr 1, 2021 Design Therapeutics, Inc. Director Buy 100.0 +750,000 17.18% ✗ $15M
Dec 18, 2020 Dec 22, 2020 BioAtla, Inc. Director Buy 100.0 +800,000 53.62% ✗ $14.4M
Nov 23, 2020 Nov 23, 2020 Olema Pharmaceuticals, Inc. Director Buy 100.0 +425,000 14.94% ✗ $8.1M
Oct 22, 2020 Oct 22, 2020 MoonLake Immunotherapeutics CEO Buy 100.0 +430,000 100.00% ✗ $4.3M
Jun 16, 2020 Jun 18, 2020 Avidity Biosciences, Inc. Director Buy 100.0 +300,000 13.55% ✗ $5.4M
Jun 25, 2018 Jun 27, 2018 Kezar Life Sciences, Inc. Director Buy 100.0 +250,000 18.90% ✗ $3.8M
May 29, 2018 May 31, 2018 Kiniksa Pharmaceuticals International, plc Director Buy 95.0 +69,444 8.36% ✗ $1.2M