Bihua Chen serves as Executive at PROTEOSTASIS THERAPEUTICS, INC., where they oversee executive responsibilities. Since joining the company, Bihua Chen has executed 99 insider transactions totaling $286.5M, demonstrating a bullish approach to their equity position. Their most recent transaction on Jun 26, 2023 involved purchasing 61,042 shares valued at $2.6M.
Bihua Chen currently holds 497,500 shares of PROTEOSTASIS THERAPEUTICS, INC. (PTI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Bihua Chen has been a net buyer of PTI stock. They have purchased $282.4M and sold $4.1M worth of shares.
Bihua Chen's most recent insider trade was on Jun 26, 2023, when they purchased 61,042 shares at $42.12 per share.
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| $41.03 |
| Discretionary |
| Jun 26, 2023 | MLTX | $1.5M | Purchase | 38,623 | $39.87 | Discretionary |
| Jun 26, 2023 | MLTX | $414.9K | Purchase | 10,593 | $39.17 | Discretionary |
| Jun 26, 2023 | MLTX | $143.4K | Purchase | 3,755 | $38.18 | Discretionary |
| Jun 26, 2023 | MLTX | $54.7K | Purchase | 1,481 | $36.91 | Discretionary |
| Jun 26, 2023 | MLTX | $6.2K | Purchase | 85 | $72.46 | Discretionary |
| Jun 26, 2023 | MLTX | $1.1K | Purchase | 15 | $70.62 | Discretionary |
| Jun 26, 2023 | MLTX | $1.0K | Purchase | 16 | $65.32 | Discretionary |
| Jun 26, 2023 | MLTX | $6.1K | Purchase | 95 | $64.44 | Discretionary |
| Jun 26, 2023 | MLTX | $8.9K | Purchase | 139 | $63.85 | Discretionary |
| Jun 26, 2023 | MLTX | $8.5K | Purchase | 136 | $62.20 | Discretionary |
| Jun 26, 2023 | MLTX | $25.1K | Purchase | 417 | $60.21 | Discretionary |
| Jun 26, 2023 | MLTX | $76.8K | Purchase | 1,302 | $58.98 | Discretionary |
| Jun 26, 2023 | MLTX | $17.0K | Purchase | 295 | $57.63 | Discretionary |
| Jun 26, 2023 | MLTX | $107.7K | Purchase | 1,894 | $56.89 | Discretionary |
| Jun 26, 2023 | MLTX | $81.1K | Purchase | 1,453 | $55.83 | Discretionary |
| Jun 26, 2023 | MLTX | $1.0M | Purchase | 18,949 | $54.92 | Discretionary |
| Apr 20, 2023 | AMAM | $10.3M | Purchase | 886,634 | $11.60 | Discretionary |
| Apr 19, 2023 | AMAM | $10.6M | Purchase | 951,909 | $11.15 | Discretionary |
| Apr 18, 2023 | AMAM | $38.1M | Purchase | 3,376,646 | $11.27 | Discretionary |
| Mar 21, 2023 | MLTX | $5.2M | Purchase | 238,511 | $21.70 | Discretionary |
| Mar 20, 2023 | MLTX | $8.7M | Purchase | 446,881 | $19.36 | Discretionary |
| Mar 20, 2023 | MLTX | $1.3M | Purchase | 63,700 | $20.42 | Discretionary |
| Mar 20, 2023 | MLTX | $1.6M | Purchase | 78,008 | $21.08 | Discretionary |
| Apr 5, 2022 | MLTX | $0 | Conversion | 2,785,000 | $N/A | Discretionary |
| Apr 5, 2022 | MLTX | $28.5M | Purchase | 2,850,000 | $10.00 | Discretionary |
| Oct 25, 2021 | VTYX | $0 | Conversion | 785,303 | $N/A | Discretionary |
| Oct 25, 2021 | VTYX | $10.0M | Purchase | 625,000 | $16.00 | Discretionary |
| Sep 17, 2021 | TYRA | $0 | Conversion | 757,432 | $N/A | Discretionary |