$0.85
-0.03 (-3.92%)
USD · as of 2026-08-21 · marketstack
Returns are measured from 2025-01-02 — the price history has a 342-day gap before it.
Signal = open-market buys/sells (P/S); grants, exercises, tax, gifts are mechanics. Filings through 2026-06-30 only.
| Date | Insider | Role | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-05 | You Harry L. | Director,TenPercentOwner | +Grant | 1,612,903 | — | — |
| 2026-06-05 | PEPERZAK MARCUS | Director | +Grant | 80,000 | — | — |
| 2026-06-05 | Truong Oanh | Officer | +Grant | 50,000 | — | — |
| 2026-06-05 | Reardon Robert | Director | +Grant | 80,000 | — | — |
| 2026-06-05 | DICKERSON LYMAN B | Director | +Grant | 80,000 | — | — |
| 2026-06-05 | Steele Alexandra | Director | +Grant | 80,000 | — | — |
| 2026-06-05 | Sylvester David C | Director | +Grant | 40,000 | — | — |
| 2026-06-05 | Riley Christopher Michael | Director | +Grant | 50,000 | — | — |
| 2025-09-12 | DICKERSON LYMAN B | Director | −Sell | 4,787 | $5.78 | $27,669 |
| 2025-09-11 | DICKERSON LYMAN B | Director | −Sell | 398 | $5.80 | $2,308 |
| 2025-09-10 | DICKERSON LYMAN B | Director | −Sell | 215 | $5.55 | $1,193 |
| 2025-09-09 | DICKERSON LYMAN B | Director | −Sell | 1,917 | $5.24 | $10,045 |
| 2025-09-05 | Seidl Randy | Director,Officer | +Grant | 602,320 | — | — |
| 2025-05-22 | Seidl Randy | Director,Officer | +Buy | 4,000 | $2.58 | $10,320 |
| 2025-05-21 | Seidl Randy | Director,Officer | +Buy | 30,000 | $2.53 | $75,900 |
| 2025-05-20 | Seidl Randy | Director,Officer | +Buy | 8,514 | $1.73 | $14,729 |
| 2025-02-06 | DACIER PAUL T | TenPercentOwner | +Buy | 13,173 | $11.39 | $150,040 |
| 2025-01-29 | You Harry L. | Director,TenPercentOwner | +Grant | 43,910 | $11.39 | $500,135 |
| 2024-12-31 | DICKERSON LYMAN B | Director | +Grant | 17,564 | $11.39 | $200,054 |
| 2024-12-31 | DACIER PAUL T | TenPercentOwner | +Buy | 8,782 | $11.39 | $100,027 |
| 2024-12-31 | You Harry L. | Director,TenPercentOwner | +Grant | 564,375 | — | — |
| 2024-01-26 | Vellanki Avanish | Director,Officer | −U | 2,550,910 | — | — |
| 2024-01-26 | Doebele Robert | Officer | −U | 476,827 | — | — |
| 2024-01-26 | BERGER FRANKLIN M | Director | −U | 1,005,207 | — | — |
| 2024-01-26 | Davis Aaron I. | Director | −U | 79,726 | — | — |
| 2024-01-26 | Radovich Peter | Director | −U | 8,796 | — | — |
| 2024-01-26 | TANG CAPITAL PARTNERS LP | TenPercentOwner | −U | 3,850,513 | — | — |
| 2024-01-25 | BIOTECHNOLOGY VALUE FUND II LP | Director,Other | −U | 185,388 | — | — |
| 2024-01-25 | BIOTECHNOLOGY VALUE FUND II LP | Director,Other | −U | 341,547 | — | — |
| 2024-01-25 | BIOTECHNOLOGY VALUE FUND II LP | Director,Other | −U | 1,734,960 | — | — |
| 2024-01-25 | BIOTECHNOLOGY VALUE FUND II LP | Director,Other | −U | 2,076,085 | — | — |
| 2024-01-25 | BIOTECHNOLOGY VALUE FUND II LP | Director,Other | −U | 2,870,985 | — | — |
| 2024-01-25 | BIOTECHNOLOGY VALUE FUND II LP | Director,Other | −U | 1,367,838 | — | — |
| 2023-12-18 | TANG CAPITAL PARTNERS LP | TenPercentOwner | −Sell | 40,132 | $1.21 | $48,560 |
| 2023-12-15 | TANG CAPITAL PARTNERS LP | TenPercentOwner | −Sell | 109,435 | $1.20 | $131,322 |
| 2023-12-14 | TANG CAPITAL PARTNERS LP | TenPercentOwner | −Sell | 24,406 | $1.21 | $29,531 |
| 2023-10-13 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 47,486 | $0.99 | $47,011 |
| 2023-10-13 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 84,145 | $0.99 | $83,304 |
| 2023-10-12 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 52,514 | $0.98 | $51,464 |
| 2023-10-12 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 25,188 | $0.98 | $24,684 |
| 2023-10-11 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 74,812 | $0.97 | $72,568 |
| 2023-06-01 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 240,341 | $1.12 | $269,182 |
| 2023-06-01 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 92,984 | $1.09 | $101,353 |
| 2023-05-31 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 5,000 | $1.10 | $5,500 |
| 2023-05-31 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 161,180 | $1.08 | $174,074 |
| 2023-05-30 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 32,890 | $1.06 | $34,863 |
| 2023-05-30 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 200,000 | $1.00 | $200,000 |
| 2023-05-30 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 347,932 | $1.05 | $365,329 |
| 2023-05-30 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 5,930 | $1.06 | $6,286 |
| 2023-05-30 | TANG CAPITAL MANAGEMENT LLC | TenPercentOwner | +Buy | 2,016 | $1.08 | $2,177 |
| 2023-05-22 | Boxer Capital, LLC | Director,Other | −Sell | 995,000 | $1.25 | $1M |
| 2022-11-22 | BERGER FRANKLIN M | Director | +Buy | 77,000 | $8.27 | $636,790 |
| 2022-11-21 | BERGER FRANKLIN M | Director | +Buy | 45,000 | $7.80 | $351,000 |
| 2022-11-08 | BVF II GP LLC | DirectorOther | +Buy | 970,171 | $5.83 | $6M |
| 2022-11-08 | BVF II GP LLC | DirectorOther | +Buy | 54,857 | $5.83 | $319,816 |
| 2022-11-08 | BVF II GP LLC | DirectorOther | +Buy | 685,330 | $5.83 | $4M |
| 2022-11-08 | BERGER FRANKLIN M | Director | +Buy | 42,881 | $5.83 | $249,996 |
| 2022-11-04 | Davis Aaron I. | Director | +Buy | 972,212 | $5.83 | $6M |
| 2022-07-06 | Doebele Robert | Officer | +Exercise | 3,890 | $3.95 | $15,366 |
| 2022-06-01 | Vellanki Avanish | Director,Officer,TenPercentOwner | +Buy | 25,000 | $2.29 | $57,250 |
| 2022-04-14 | Vellanki Avanish | Director,Officer,TenPercentOwner | +Gift | 59,618 | — | — |
| 2022-04-14 | Vellanki Avanish | Director,Officer,TenPercentOwner | −Gift | 59,618 | — | — |
| 2022-04-13 | Doebele Robert | Officer | +Exercise | 3,000 | $3.95 | $11,850 |
| 2022-03-31 | Doebele Robert | Officer | +Exercise | 2,000 | $3.95 | $7,900 |
| 2022-03-11 | Vellanki Avanish | Director,Officer | +Exercise | 14,468 | $4.00 | $57,872 |
| 2022-01-07 | BVF INC/IL | TenPercentOwner | +Buy | 14,806 | $12.00 | $177,672 |
| 2022-01-07 | BVF INC/IL | TenPercentOwner | +Buy | 226,079 | $12.00 | $3M |
| 2022-01-07 | BVF INC/IL | TenPercentOwner | +Buy | 255,500 | $12.00 | $3M |
| 2022-01-06 | BVF INC/IL | TenPercentOwner | +Buy | 61,343 | $12.00 | $736,116 |
| 2021-10-12 | EDELMAN JOSEPH | TenPercentOwner | −Sell | 7,306 | $13.40 | $97,900 |
| 2021-10-11 | EDELMAN JOSEPH | TenPercentOwner | −Sell | 9,351 | $13.15 | $122,966 |
| 2021-10-11 | EDELMAN JOSEPH | TenPercentOwner | −Sell | 12,475 | $12.03 | $150,074 |
| 2021-10-08 | EDELMAN JOSEPH | TenPercentOwner | −Sell | 2,462 | $13.66 | $33,631 |
| 2021-10-08 | EDELMAN JOSEPH | TenPercentOwner | −Sell | 5,038 | $12.90 | $64,990 |
| 2021-10-07 | EDELMAN JOSEPH | TenPercentOwner | −Sell | 286 | $15.05 | $4,304 |
| 2021-10-07 | EDELMAN JOSEPH | TenPercentOwner | −Sell | 13,082 | $14.80 | $193,614 |
| 2021-09-21 | BERGER FRANKLIN M | Director | +Buy | 3,786 | $14.30 | $54,140 |
| 2021-09-21 | BVF GP HOLDINGS LLC | TenPercentOwner | +Buy | 4,102 | $13.94 | $57,182 |
| 2021-09-21 | BVF GP HOLDINGS LLC | TenPercentOwner | +Buy | 6,341 | $13.94 | $88,394 |
| 2021-09-21 | BVF GP HOLDINGS LLC | TenPercentOwner | +Buy | 590 | $13.94 | $8,225 |
| 2021-09-13 | BVF GP HOLDINGS LLC | TenPercentOwner | +Buy | 158,511 | $16.49 | $3M |
| 2021-09-13 | BVF GP HOLDINGS LLC | TenPercentOwner | +Buy | 20,512 | $16.49 | $338,243 |
| 2021-09-13 | BVF GP HOLDINGS LLC | TenPercentOwner | +Buy | 213,246 | $16.49 | $4M |
| 2021-07-06 | BIOTECHNOLOGY VALUE FUND L P | Other | +Buy | 16,980 | $15.25 | $258,945 |
| 2021-07-06 | BIOTECHNOLOGY VALUE FUND L P | Other | +Buy | 146,116 | $15.25 | $2M |
| 2021-07-06 | BIOTECHNOLOGY VALUE FUND L P | Other | +Buy | 106,627 | $15.25 | $2M |
| 2021-07-01 | BIOTECHNOLOGY VALUE FUND L P | Other | +Buy | 20,018 | $15.65 | $313,282 |
| 2021-07-01 | BIOTECHNOLOGY VALUE FUND L P | Other | +Buy | 172,457 | $15.65 | $3M |
| 2021-07-01 | BIOTECHNOLOGY VALUE FUND L P | Other | +Buy | 124,804 | $15.65 | $2M |
| 2021-05-24 | Biotechnology Value Trading Fund OS LP | Other | +Buy | 719 | $15.90 | $11,432 |
| 2021-05-24 | Biotechnology Value Trading Fund OS LP | Other | +Buy | 129 | $15.90 | $2,051 |
| 2021-05-24 | Biotechnology Value Trading Fund OS LP | Other | +Buy | 513 | $15.90 | $8,157 |
| 2021-05-21 | Biotechnology Value Trading Fund OS LP | Other | +Buy | 66,242 | $15.94 | $1M |
| 2021-05-21 | Biotechnology Value Trading Fund OS LP | Other | +Buy | 48,152 | $15.94 | $767,543 |
| 2021-05-21 | Biotechnology Value Trading Fund OS LP | Other | +Buy | 7,592 | $15.94 | $121,016 |
| 2021-05-19 | BVF I GP LLC | Other | +Buy | 6,962 | $15.88 | $110,557 |
| 2021-05-19 | BVF I GP LLC | Other | +Buy | 1,115 | $15.88 | $17,706 |
| 2021-05-19 | BVF I GP LLC | Other | +Buy | 9,191 | $15.88 | $145,953 |
| 2021-05-18 | BVF I GP LLC | Other | +Buy | 75,640 | $16.65 | $1M |
| 2021-05-18 | BVF I GP LLC | Other | +Buy | 11,946 | $16.65 | $198,901 |
| 2021-05-18 | BVF I GP LLC | Other | +Buy | 103,611 | $16.65 | $2M |
| 2021-05-13 | BVF Partners OS Ltd. | Other | +Buy | 22,721 | $14.26 | $324,001 |
| 2021-05-13 | BVF Partners OS Ltd. | Other | +Buy | 3,474 | $14.26 | $49,539 |
| 2021-05-13 | BVF Partners OS Ltd. | Other | +Buy | 31,805 | $14.26 | $453,539 |
| 2021-04-27 | Vellanki Avanish | Director,Officer | +Conversion | 11,212 | — | — |
| 2021-04-27 | Doebele Robert | Officer | +Conversion | 4,932 | — | — |
| 2021-04-27 | BERGER FRANKLIN M | Director | +Conversion | 175,939 | — | — |
| 2021-04-27 | BERGER FRANKLIN M | Director | +Conversion | 535,601 | — | — |
| 2021-04-27 | Radovich Peter | Director | +Conversion | 8,796 | — | — |
| 2021-04-27 | Davis Aaron I. | Director,TenPercentOwner | +Buy | 1,025,000 | $17.00 | $17M |
| 2021-04-27 | Boxer Asset Management Inc. | TenPercentOwner | +Buy | 1,025,000 | $17.00 | $17M |
| 2021-04-27 | PERCEPTIVE LIFE SCIENCES MASTER FUND LTD | TenPercentOwner | +Buy | 550,000 | $17.00 | $9M |
| 2021-04-27 | PERCEPTIVE LIFE SCIENCES MASTER FUND LTD | TenPercentOwner | +Conversion | 1,107,316 | — | — |
| 2021-04-27 | PERCEPTIVE LIFE SCIENCES MASTER FUND LTD | TenPercentOwner | +Conversion | 879,703 | — | — |
| 2021-04-27 | Chen Bihua | Director | +Buy | 450,000 | $17.00 | $8M |
| 2021-04-27 | Chen Bihua | Director | +Conversion | 2,326,657 | — | — |
| 2021-04-26 | LAMPERT MARK N | Other | +Grant | 1,747 | $14.90 | $26,030 |
| 2021-04-26 | LAMPERT MARK N | Other | +Grant | 10,876 | $14.90 | $162,052 |
| 2021-04-26 | LAMPERT MARK N | Other | +Grant | 14,790 | $14.90 | $220,371 |
| 2021-04-26 | BVF GP HOLDINGS LLC | Other | +Buy | 10,876 | $14.90 | $162,052 |
SEC Form 3/4/5 through 2026-06-30 · P buy · S sell · A grant · M/X/C exercise · F tax · G gift.
A model's estimate — for research. See the Disclaimer.