Chen Bihua
- SEC CIK
- 0001599214
In the past year, 2 open-market purchase filings worth $13.0M and 4 sale filings worth $57.9M.
Current role at each company
- BLSM BlossomHill Therapeutics, Inc.Director, 10% Owneras of Aug 10, 2026
- BBOT BridgeBio Oncology Therapeutics, Inc.Director, 10% Owneras of Jul 6, 2026
- DRUG Bright Minds Biosciences Inc.Other: Former 10% Owneras of Apr 30, 2026
- HLXC Helix Acquisition Corp. IIIChairperson and CEOas of Jan 28, 2026
- CRBP Corbus Pharmaceuticals Holdings, Inc.10% Owneras of Dec 15, 2025
Show 17 more companies
- EYPT EyePoint, Inc.Other: Former 10% Owneras of Dec 8, 2025
- MLTX MoonLake ImmunotherapeuticsOther: Former 10% Owneras of Oct 1, 2025
- BMEA Biomea Fusion, Inc.Other: Former Directoras of Aug 1, 2025
- OKUR OnKure Therapeutics, Inc.Other: Former 10% Owneras of May 19, 2025
- AARD Aardvark Therapeutics, Inc.Other: Former 10% Owneras of Feb 19, 2025
- BIOA BioAge Labs, Inc.Other: Former 10% Owneras of Oct 1, 2024
- IMRX Immuneering Corp10% Owneras of Apr 3, 2024
- AMAM Ambrx Biopharma, Inc.10% Owneras of Oct 25, 2023
- GRNA GreenLight Biosciences Holdings, PBCOther: (See below)as of Jul 24, 2023
- ERAS Erasca, Inc.Directoras of Jun 26, 2023
- VIGL Vigil Neuroscience, Inc.Other: Former 10% Owneras of Jan 13, 2022
- VTYX Ventyx Biosciences, Inc.Other: Former 10% Owneras of Oct 27, 2021
- PYXS Pyxis Oncology, Inc.Director, Other: Former 10% Owneras of Oct 15, 2021
- TYRA Tyra Biosciences, Inc.Director, Other: Former 10% Owneras of Sep 21, 2021
- ICVX Icosavax, Inc.Other: Former 10% Owneras of Aug 4, 2021
- JBIO Jade Biosciences, Inc.Other: Former 10% Owneras of Jul 7, 2021
- Elevation Oncology, Inc.10% Owneras of Jul 1, 2021
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $13.0M
- 2 filings
- Sold
- $57.9M
- 4 filings
- Net
- −$44.9M
- Bought minus sold
- Companies
- 6
- With open-market trades
Trades
Every Form 4 that lists Chen Bihua as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
BLSM BlossomHill Therapeutics, Inc.
Director, 10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 10, 2026 (view filing)6:32 PM ET | Aug 10 | Same day | Chen Bihua and 5 othersDirector, 10% Owner | PPurchase | +312.5K | $16.00 | +$5.00M | +9.5%3.61M after |
DRUG Bright Minds Biosciences Inc.
Other: Former 10% Owner3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 30, 2026 (view filing)4:07 PM ET | Apr 28 | 2 days | Cormorant Asset Management, LP and 2 othersOther: Former 10% Owner | SSale | −109.3K | $89.50 | −$9.79M | −10.3%950.0K after | |
| Nov 6, 2024 (view filing)4:20 PM ET | Nov 4 | 2 days | Cormorant Asset Management, LP and 1 other10% Owner | PPurchase | +184.3K | $21.70 | +$4.00M | +21.1%1.06M after | |
| Oct 17, 2024 (view filing)5:11 PM ET | Oct 15-16 | 2 days | Cormorant Asset Management, LP and 2 others10% Owner | PPurchase | +422.6K | $7.65 | +$3.23M | +93.4%875.0K after | 11 lots |
HLXC Helix Acquisition Corp. III
Chairperson and CEO1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jan 28, 2026 (view filing)8:36 PM ET | Jan 26 | 2 days | Chen Bihua and 1 otherChairperson and CEO | PPurchaseClass A Ordinary Shares | +800.0K | $10.00 | +$8.00M | New position800.0K after | Amended |
CRBP Corbus Pharmaceuticals Holdings, Inc.
10% Owner5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 15, 2025 (view filing)4:18 PM ET | Dec 11 | 4 days | Cormorant Asset Management, LP and 2 others10% Owner | SSale | −30.0K | $11.46 | −$344.0K | −1.3%2.34M after | |
| Sep 24, 2024 (view filing)4:04 PM ET | Sep 20 | 4 days | Cormorant Asset Management, LP and 2 others10% Owner | PPurchase | +350.0K | $20.01 | +$7.00M | +17.3%2.38M after | 6 lots |
| Mar 11, 2024 (view filing)5:34 PM ET | Mar 7-8 | 4 days | Cormorant Asset Management, LP and 2 others10% Owner | PPurchase | +550.0K | $42.41 | +$23.3M | +37.3%2.02M after | 10 lots |
| Feb 6, 2024 (view filing)4:00 PM ET | Feb 2 | 4 days | Cormorant Asset Management, LP and 2 others10% Owner | PPurchase | +750.0K | $19.00 | +$14.3M | +103.4%1.48M after | |
| Jan 30, 2024 (view filing)4:23 PM ET | Jan 26 | 4 days | Cormorant Asset Management, LP and 2 others10% Owner | PPurchase | +282.6K | $32.24 | +$9.11M | +63.9%725.0K after | 14 lots |
EYPT EyePoint, Inc.
Other: Former 10% Owner6 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 8, 2025 (view filing)4:03 PM ET | Dec 4 | 4 days | Cormorant Asset Management, LP and 2 othersOther: Former 10% Owner | SSale | −60.0K | $15.70 | −$942.2K | −0.7%8.27M after | |
| May 8, 2024 (view filing)4:23 PM ET | May 6 | 2 days | Cormorant Asset Management, LP and 2 others10% Owner | PPurchase | +850.0K | $11.86 | +$10.1M | +11.4%8.32M after | 2 lots |
| Apr 22, 2024 (view filing)4:00 PM ET | Apr 18 | 4 days | Cormorant Asset Management, LP and 2 others10% Owner | PPurchase | +581.8K | $18.03 | +$10.5M | +8.4%7.47M after | 2 lots |
| Jan 11, 2024 (view filing)4:00 PM ET | Jan 9-11 | 2 days | Cormorant Asset Management, LP and 2 others10% Owner | PPurchase | +855.0K | $19.94 | +$17.1M | +14.2%6.89M after | 2 lots |
| Dec 12, 2023 (view filing)4:52 PM ET | Dec 8 | 4 days | Cormorant Asset Management, LP and 2 others10% Owner | PPurchase | +588.2K | $17.00 | +$10.0M | +10.8%6.04M after | |
| Dec 6, 2023 (view filing)4:39 PM ET | Dec 4 | 2 days | Cormorant Asset Management, LP and 2 others10% Owner | PPurchase | +1.92M | $21.82 | +$41.9M | +54.3%5.45M after | 17 lots |
MLTX MoonLake Immunotherapeutics
Other: Former 10% Owner7 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 (view filing)5:22 PM ET | Sep 29-30 | 2 days | Cormorant Asset Management, LP and 5 othersOther: Former 10% Owner | SSaleClass A Ordinary Shares | −6.50M | $7.21 | −$46.9M | −76.5%1.99M after | 5 lots |
| Oct 10, 2023 (view filing)4:00 PM ET | Oct 5 | 5 days | Cormorant Asset Management, LP and 5 others10% Owner | PPurchaseClass A Ordinary Shares | +58.8K | $59.90 | +$3.52M | +0.7%8.49M after | |
| Oct 4, 2023 (view filing)5:52 PM ET | Oct 2-4 | 2 days | Cormorant Asset Management, LP and 5 others10% Owner | PPurchaseClass A Ordinary Shares | +293.2K | $57.30 | +$16.8M | +3.6%8.44M after | 3 lots |
| Jul 5, 2023 (view filing) | Jun 30 | 5 days | Chen Bihua10% Owner | PPurchaseClass A Ordinary Shares | +800.0K | $50.00 | +$40.0M | +19.4%4.93M after | |
| Jun 28, 2023 (view filing) | Jun 26 | 2 days | Chen Bihua10% Owner | PPurchaseClass A Ordinary Shares | +450.0K | $45.63 | +$20.5M | +12.2%4.13M after | 27 lots |
| Mar 22, 2023 (view filing) | Mar 20-21 | 2 days | Chen Bihua10% Owner | PPurchaseClass A Ordinary Shares | +827.1K | $20.28 | +$16.8M | +29.0%3.68M after | 4 lots |
| Apr 7, 2022 (view filing) | Apr 5 | 2 days | Chen Bihua10% Owner | PPurchaseClass A Ordinary Shares | +2.85M | $10.00 | +$28.5M | New position2.85M after |
OKUR OnKure Therapeutics, Inc.
Other: Former 10% Owner2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 19, 2025 (view filing)5:33 PM ET | May 15 | 4 days | Cormorant Asset Management, LP and 5 othersOther: Former 10% Owner | SSaleClass A Common Stock | −1.81M | $1.85 | −$3.36M | −100.0%0 after | |
| May 14, 2025 (view filing)4:36 PM ET | May 12 | 2 days | Cormorant Asset Management, LP and 5 others10% Owner | SSaleClass A Common Stock | −24.3K | $1.99 | −$48.2K | −1.3%1.81M after |
AARD Aardvark Therapeutics, Inc.
Other: Former 10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 19, 2025 (view filing)4:02 PM ET | Feb 14 | 5 days | Cormorant Asset Management, LP and 1 otherOther: Former 10% Owner | PPurchase | +187.5K | $16.00 | +$3.00M | +23.4%987.7K after |
BIOA BioAge Labs, Inc.
Other: Former 10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2024 (view filing)4:01 PM ET | Sep 27 | 4 days | Cormorant Asset Management, LP and 3 othersOther: Former 10% Owner | PPurchase | +450.0K | $18.00 | +$8.10M | +38.2%1.63M after |
IMRX Immuneering Corp
10% Owner3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 3, 2024 (view filing)5:37 PM ET | Apr 1 | 2 days | Cormorant Asset Management, LP and 3 others10% Owner | SSaleClass A Common Stock | −400.0K | $2.90 | −$1.16M | −12.1%2.90M after | 8 lots |
| Mar 18, 2024 (view filing)5:59 PM ET | Mar 14-15 | 4 days | Cormorant Asset Management, LP and 3 others10% Owner | SSaleClass A Common Stock | −909.1K | $3.02 | −$2.75M | −21.6%3.30M after | 5 lots |
| Aug 5, 2021 (view filing)4:01 PM ET | Aug 3 | 2 days | Cormorant Asset Management, LP and 3 othersOther: Former 10% Owner | PPurchase | +550.0K | $15.00 | +$8.25M | +32.3%2.25M after |
BBOT BridgeBio Oncology Therapeutics, Inc.
Director, 10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 13, 2024 (view filing) | Feb 13 | Same day | Chen BihuaCEO and Chairperson | PPurchaseClass A Ordinary Shares | +2.40M | $10.00 | +$24.0M | New position903.6K after | 3 lots |
AMAM Ambrx Biopharma, Inc.
10% Owner5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 25, 2023 (view filing)4:15 PM ET | Oct 23 | 2 days | Cormorant Asset Management, LP and 3 others10% Owner | PPurchase | +1.31M | $6.99 | +$9.14M | +13.2%11.2M after | |
| Sep 19, 2023 (view filing)4:49 PM ET | Sep 15-18 | 4 days | Cormorant Asset Management, LP and 3 others10% Owner | PPurchase | +2.15M | $9.12 | +$19.6M | +3.2%69.5M after | 2 lots |
| Apr 20, 2023 (view filing)6:04 PM ET | Apr 18-20 | 2 days | Cormorant Asset Management, LP and 3 others10% Owner | PPurchase | +5.22M | $11.30 | +$59.0M | +8.4%67.3M after | 3 lots |
| Apr 17, 2023 (view filing)5:46 PM ET | Apr 13-17 | 4 days | Cormorant Asset Management, LP and 3 others10% Owner | PPurchase | +2.60M | $9.75 | +$25.3M | +4.4%62.1M after | 3 lots |
| Mar 16, 2023 (view filing)6:04 PM ET | Mar 14-16 | 2 days | Cormorant Asset Management, LP and 3 others10% Owner | PPurchase | +1.00M | $10.21 | +$10.2M | +1.9%53.5M after | 3 lots |
GRNA GreenLight Biosciences Holdings, PBC
Other: (See below)1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 24, 2023 (view filing)4:01 PM ET | Jul 20 | 4 days | Cormorant Asset Management, LP and 3 othersOther: (See below) | SSale | −9.19M | $0.00 | $0 | −100.0%0 after |
BMEA Biomea Fusion, Inc.
Other: Former Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 3, 2023 (view filing)4:30 PM ET | Mar 30 | 4 days | Chen Bihua and 3 othersDirector, 10% Owner | PPurchase | +400.0K | $30.00 | +$12.0M | +12.6%3.57M after |
ERAS Erasca, Inc.
Director4 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 21, 2022 (view filing)4:33 PM ET | Dec 13 | 8 days | Cormorant Asset Management, LP and 3 othersDirector | PPurchase | +307.7K | $6.50 | +$2.00M | +2.9%10.8M after | Amended |
| Aug 10, 2021 (view filing) | Jul 26 | 15 daysLate | Chen BihuaDirector | SSale | −200.0K | $18.77 | −$3.75M | −1.9%10.3M after | |
| Aug 10, 2021 (view filing) | Aug 10 | Same day | Chen BihuaDirector | PPurchase | +200.0K | $22.10 | +$4.42M | +1.9%10.5M after | |
| Jul 22, 2021 (view filing)4:10 PM ET | Jul 20 | 2 days | Chen Bihua and 3 othersDirector | PPurchase | +950.0K | $16.00 | +$15.2M | +9.9%10.5M after |
VTYX Ventyx Biosciences, Inc.
Other: Former 10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 27, 2021 (view filing)4:04 PM ET | Oct 25 | 2 days | Cormorant Asset Management, LP and 3 othersOther: Former 10% Owner | PPurchase | +625.0K | $16.00 | +$10.0M | +79.6%1.41M after |
PYXS Pyxis Oncology, Inc.
Director, Other: Former 10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 15, 2021 (view filing)4:12 PM ET | Oct 13 | 2 days | Chen Bihua and 3 othersDirector, Other: Former 10% Owner | PPurchase | +450.0K | $16.00 | +$7.20M | +67.3%1.12M after |
TYRA Tyra Biosciences, Inc.
Director, Other: Former 10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 21, 2021 (view filing)4:03 PM ET | Sep 17 | 4 days | Chen Bihua and 3 othersDirector, Other: Former 10% Owner | PPurchase | +312.5K | $16.00 | +$5.00M | +41.3%1.07M after |
JBIO Jade Biosciences, Inc.
Other: Former 10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 7, 2021 (view filing)4:45 PM ET | Jul 2 | 5 days | Cormorant Asset Management, LP and 3 othersOther: Former 10% Owner | PPurchase | +500.0K | $14.00 | +$7.00M | +32.7%2.03M after |
Elevation Oncology, Inc.
10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2021 (view filing)4:24 PM ET | Jun 29 | 2 days | Cormorant Asset Management, LP and 3 othersOther: Former 10% Owner | PPurchase | +250.0K | $16.00 | +$4.00M | +12.6%2.23M after |