| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director, 10% Owner | Chairperson And CEO | CEO And Chairperson +3 more
6 companies
Chen Bihua is a Director, 10% Owner at ERAS, with reported holdings spanning 6 companies. Recent filings cover 47 purchases and 6 sales. Those positions are worth an estimated $254.1M at current prices.
Our model assigns Chen Bihua a middling insider score of 56/100, based on 18 past trades. Over a 12-month horizon, 31.3% of those trades were profitable, with an average 12-month return of -3.4%.
Chen Bihua's largest disclosed position is in BMEA, worth about $107.1M. Net of sales, the recent Form 4 record there shows accumulation of 1,300,000 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 10, 2026 | BLSM Blossomhill Therapeutics, Inc. Common Stock | Director, 10% Owner | Buy | 312,500 | $16.00 | $5,000,000.00 | +9.5% | - | - | |
| Sep 30, 2025 | MLTX Moonlake Immunotherapeutics | - | Sell | 6,499,978 | $7.21 | $46,868,184.10 | -76.5% | +91.0% | +63.2% | |
| Feb 13, 2024 | BBOT Bridgebio Oncology Therapeutics, Inc. | CEO And Chairperson | Buy | 2,400,000 | $10.00 | $24,000,000.00 | -160.4% | -0.3% | +3.2% | |
| Oct 5, 2023 | MLTX Moonlake Immunotherapeutics | - | Buy | 58,839 | $59.90 | $3,524,297.23 | +0.7% | -10.4% | -11.5% | |
| Oct 4, 2023 | MLTX Moonlake Immunotherapeutics | - | Buy | 293,212 | $57.30 | $16,800,342.90 | +3.6% | +3.3% | -9.8% | |
| Jun 30, 2023 | MLTX Moonlake Immunotherapeutics | - | Buy | 800,000 | $50.00 | $40,000,000.00 | +19.4% | +11.1% | -13.8% | |
| Jun 26, 2023 | MLTX Moonlake Immunotherapeutics | - | Buy | 450,000 | $45.63 | $20,535,011.76 | +12.2% | +15.6% | -13.6% | |
| Mar 30, 2023 | BMEA Biomea Fusion, Inc. | - | Buy | 400,000 | $30.00 | $12,000,000.00 | +12.6% | -28.6% | -53.2% | |
| Mar 21, 2023 | MLTX Moonlake Immunotherapeutics | - | Buy | 827,100 | $20.28 | $16,774,845.82 | +29.0% | +20.1% | +124.9% | |
| Dec 13, 2022 | ERAS Erasca, Inc. | - | Buy | 307,692 | $6.50 | $1,999,998.00 | +2.9% | -34.9% | -59.0% |