PERCEPTIVE LIFE SCIENCES MASTER FUND LTD
Insider transactions at 18 companies
This page shows all SEC Form 4 filings attributed to PERCEPTIVE LIFE SCIENCES MASTER FUND LTD. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| OBIO | Purchase | 700,000 | $2.75 | $1,925,000 | Aug 1, 2025 | |
| ALDX | Sale | 3,400,000 | $1.42 | $4,828,000 | Apr 3, 2025 | |
| ACRV | Purchase | 2,353,000 | $8.50 | $20,000,500 | Apr 11, 2024 | |
| ALDX | Purchase | 186,051 | $3.44 | $640,015 | Apr 3, 2024 | |
| LIANY | Tax Withholding | 19,218 | $4.76 | $91,478 | Feb 15, 2024 | |
| ALDX | Sale | 2,450,000 | $1.60 | $3,920,000 | Oct 18, 2023 | |
| 0001454789 | Purchase | 460,546 | $6.51 | $2,998,154 | Oct 16, 2023 | |
| SLNO | Purchase | 7,500 | $5.59 | $41,925 | May 30, 2023 | |
| MGTX | Purchase | 4,347,826 | $5.75 | $25,000,000 | May 5, 2023 | |
| 0001454789 | Purchase | 908,265 | $11.01 | $9,999,998 | Dec 19, 2022 | |
| 0001805387 | Purchase | 1,425,000 | $35.00 | $49,875,000 | Aug 16, 2022 | |
| ALDX | Purchase | 141,000 | $6.95 | $979,950 | Aug 5, 2022 | |
| ALDX | Purchase | 100,000 | $5.84 | $584,000 | Aug 3, 2022 | |
| ALDX | Purchase | 412,406 | $5.59 | $2,305,350 | Aug 2, 2022 | |
| ALDX | Purchase | 119,392 | $5.00 | $596,960 | Jul 28, 2022 | |
| VRCA | Purchase | 1,428,571 | $2.10 | $2,999,999 | Jul 5, 2022 | |
| CRNX | Purchase | 157,515 | $22.22 | $3,499,983 | Apr 18, 2022 | |
| NAUT | Purchase | 200,000 | $5.36 | $1,072,000 | Dec 8, 2021 | |
| ADMA | Sale | 350,352 | $1.24 | $434,436 | Aug 17, 2021 | |
| VYNE | Sale | 338,897 | $2.23 | $755,740 | Aug 12, 2021 | |
| 0001805387 | Purchase | 200,000 | $25.00 | $5,000,000 | Jul 7, 2021 | |
| 0000764195 | Sale | 500,709 | $3.80 | $1,902,694 | Jun 29, 2021 | |
| NAUT | Purchase | 5,500,000 | $10.00 | $55,000,000 | May 24, 2021 | |
| NAUT | Purchase | 159,925 | $10.05 | $1,607,246 | May 20, 2021 | |
| ALDX | Purchase | 1,200,000 | $12.50 | $15,000,000 | May 3, 2021 | |
| 0001724979 | Purchase | 550,000 | $17.00 | $9,350,000 | Apr 27, 2021 | |
| CRNX | Purchase | 304,136 | $16.44 | $4,999,996 | Apr 8, 2021 | |
| VYNE | Purchase | 4,219,409 | $2.37 | $9,999,999 | Jan 28, 2021 | |
| SCYX | Sale | 285,151 | $8.16 | $2,326,832 | Jan 21, 2021 | |
| 0001805387 | Purchase | 3,000,000 | $10.00 | $30,000,000 | Oct 27, 2020 | |
| LONA | Purchase | 1,058,824 | $17.00 | $18,000,008 | Sep 22, 2020 | |
| 0001596946 | Purchase | 2,911,764 | $4.25 | $12,374,997 | Sep 15, 2020 | |
| CYPH | Purchase | 1,750,000 | $2.00 | $3,500,000 | Jun 22, 2020 | |
| VYNE | Purchase | 2,702,702 | $1.85 | $4,999,999 | Jun 9, 2020 | |
| LYRA | Purchase | 625,000 | $16.00 | $10,000,000 | May 5, 2020 | |
| CRNX | Purchase | 1,071,428 | $14.00 | $14,999,992 | Apr 17, 2020 | |
| 0001261249 | Purchase | 3,000,000 | $3.00 | $9,000,000 | Feb 25, 2020 | |
| 0001322505 | Purchase | 255,809 | $21.00 | $5,371,989 | Feb 3, 2020 | |
| 0001300699 | Purchase | 73,698 | $14.39 | $1,060,514 | Dec 24, 2019 | |
| 0001261249 | Sale | 760,291 | $0.44 | $334,528 | Oct 29, 2019 | |
| 0001300699 | Purchase | 30,000 | $13.58 | $407,400 | Sep 16, 2019 | |
| 0001300699 | Purchase | 30,000 | $15.00 | $450,000 | Aug 16, 2019 | |
| 0001685071 | Purchase | 18,121 | $14.24 | $258,043 | Jul 2, 2019 | |
| 0000764195 | Purchase | 1,000,000 | $0.65 | $650,000 | Jun 18, 2019 | |
| 0001300699 | Purchase | 22,990 | $12.08 | $277,719 | May 6, 2019 | |
| MGTX | Purchase | 1,304,348 | $13.80 | $18,000,002 | Mar 1, 2019 | |
| 0000920465 | Sale | 147,497 | $6.67 | $983,805 | Jan 8, 2019 | |
| 0001594337 | Sale | 282,447 | $12.51 | $3,533,412 | Oct 11, 2018 | |
| FOLD | Purchase | 50,000 | $12.53 | $626,500 | Sep 21, 2018 | |
| 0001375151 | Purchase | 100,000 | $52.00 | $5,200,000 | Aug 10, 2018 |