Only open-market buys / sells (codes P/S) are a conviction signal; grants, option exercises, tax-withholding, and gifts are compensation mechanics, shown but greyed. The trailing 12-month tallies run to today but the store covers filings through 2026-06-30 only (SEC bulk data sets publish quarterly), so recent activity may be absent.
| Date | Insider | Role | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-18 | MOULDER LEON O JR | Director,Officer | +Buy | 60,000 | $16.88 | $1M |
| 2026-04-29 | MOULDER LEON O JR | Director,Officer | +Buy | 35,000 | $17.62 | $616,700 |
| 2026-04-28 | MOULDER LEON O JR | Director,Officer | +Buy | 25,000 | $18.02 | $450,500 |
| 2026-03-31 | Lu Hongbo | Director | +Buy | 75,000 | $20.00 | $2M |
| 2026-03-31 | MOULDER LEON O JR | Director,Officer | +Buy | 34,000 | $19.31 | $656,540 |
| 2026-03-31 | Kiselak Tomas | Director | +Buy | 150,000 | $20.00 | $3M |
| 2026-03-31 | Lu Hongbo | Director | +Buy | 3,768 | $18.63 | $70,198 |
| 2026-03-30 | MOULDER LEON O JR | Director,Officer | +Buy | 20,000 | $18.23 | $364,600 |
| 2026-02-13 | Allen Patricia L | Director | +Buy | 4,160 | $26.36 | $109,658 |
| 2026-02-12 | Allen Patricia L | Director | +Buy | 5,000 | $26.50 | $132,500 |
| 2026-02-12 | Allen Patricia L | Director | +Buy | 5,000 | $23.77 | $118,850 |
| 2026-02-12 | Allen Patricia L | Director | +Buy | 5,700 | $24.34 | $138,738 |
| 2026-02-11 | Lu Hongbo | Director | +Buy | 25,985 | $22.50 | $584,663 |
| 2026-02-05 | Fox Jennifer A. | Officer | +Grant | 1,592 | $13.35 | $21,253 |
| 2026-02-05 | Farmer Joseph L | Officer | +Grant | 974 | $13.35 | $13,003 |
| 2026-02-02 | MOULDER LEON O JR | Director,Officer | +Buy | 57,000 | $17.96 | $1M |
| 2026-01-09 | MOULDER LEON O JR | Director,Officer | +Buy | 20,000 | $16.55 | $331,000 |
| 2026-01-08 | MOULDER LEON O JR | Director,Officer | +Buy | 30,000 | $16.30 | $489,000 |
| 2026-01-07 | MOULDER LEON O JR | Director,Officer | +Buy | 50,000 | $16.38 | $819,000 |
| 2025-10-09 | ENRIGHT PATRICK G | Director | +Buy | 11,990 | $20.85 | $249,992 |
| 2025-10-09 | ENRIGHT PATRICK G | Director | +Buy | 105,265 | $19.00 | $2M |
| 2025-10-09 | SR ONE CAPITAL MANAGEMENT, LLC | TenPercentOwner | +Buy | 63,158 | $19.00 | $1M |
| 2025-10-09 | SR ONE CAPITAL MANAGEMENT, LLC | TenPercentOwner | +Buy | 63,157 | $19.00 | $1M |
| 2025-10-09 | Nunn Jason Raleigh | Director | +Buy | 63,158 | $19.00 | $1M |
| 2025-10-07 | Lu Hongbo | Director | +Buy | 263,160 | $19.00 | $5M |
| 2025-10-07 | Harwin Peter Evan | Director | +Buy | 316,219 | $19.00 | $6M |
| 2025-10-07 | MOULDER LEON O JR | Director,Officer | +Buy | 36,928 | $20.85 | $769,949 |
| 2025-02-18 | MOULDER LEON O JR | Director,Officer | +Buy | 25,000 | $6.67 | $166,750 |
| 2025-02-07 | Xiao Ting | Director | +Buy | 10,000 | $7.76 | $77,600 |
| 2025-02-07 | Xiao Ting | Director | +Buy | 10,000 | $7.76 | $77,600 |
| 2024-12-04 | MOULDER LEON O JR | Director,Officer | +Buy | 45,000 | $9.98 | $449,100 |
| 2024-12-03 | MOULDER LEON O JR | Director,Officer | +Buy | 25,000 | $10.76 | $269,000 |
| 2024-11-19 | MOULDER LEON O JR | Director,Officer | +Buy | 2,500 | $14.57 | $36,425 |
| 2024-11-18 | MOULDER LEON O JR | Director,Officer | +Buy | 7,500 | $15.00 | $112,500 |
| 2024-09-20 | MOULDER LEON O JR | Director,Officer | +Buy | 2,367 | $17.88 | $42,322 |
| 2024-09-20 | MOULDER LEON O JR | Director,Officer | +Buy | 2,633 | $18.97 | $49,948 |
| 2024-09-19 | MOULDER LEON O JR | Director,Officer | +Buy | 5,000 | $17.89 | $89,450 |
| 2024-09-18 | MOULDER LEON O JR | Director,Officer | +Buy | 10,000 | $17.91 | $179,100 |
| 2024-09-16 | MOULDER LEON O JR | Director,Officer | +Conversion | 164,523 | — | — |
| 2024-09-16 | MOULDER LEON O JR | Director,Officer | +Conversion | 108,381 | — | — |
| 2024-09-16 | MOULDER LEON O JR | Director,Officer | +Conversion | 372,017 | — | — |
| 2024-09-16 | MOULDER LEON O JR | Director,Officer | +Conversion | 48,254 | — | — |
| 2024-09-16 | SR ONE CAPITAL MANAGEMENT, LLC | TenPercentOwner | +Buy | 441,176 | $17.00 | $7M |
| 2024-09-16 | SR ONE CAPITAL MANAGEMENT, LLC | TenPercentOwner | +Buy | 1,352,942 | $17.00 | $23M |
| 2024-09-16 | SR ONE CAPITAL MANAGEMENT, LLC | TenPercentOwner | +Conversion | 1,505,388 | — | — |
| 2024-09-16 | SR ONE CAPITAL MANAGEMENT, LLC | TenPercentOwner | +Buy | 441,176 | $17.00 | $7M |
| 2024-09-16 | SR ONE CAPITAL MANAGEMENT, LLC | TenPercentOwner | +Conversion | 669,061 | — | — |
| 2024-09-16 | SR ONE CAPITAL MANAGEMENT, LLC | TenPercentOwner | +Conversion | 501,796 | — | — |
| 2024-09-16 | Harwin Peter Evan | Director | +Conversion | 41,130 | — | — |
| 2024-09-16 | Harwin Peter Evan | Director | +Conversion | 252,890 | — | — |
| 2024-09-16 | Harwin Peter Evan | Director | +Conversion | 709,794 | — | — |
| 2024-09-16 | Harwin Peter Evan | Director | +Buy | 300,000 | $17.00 | $5M |
| 2024-09-16 | Harwin Peter Evan | Director | +Conversion | 301,077 | — | — |
| 2024-09-16 | Nunn Jason Raleigh | Director | +Buy | 441,176 | $17.00 | $7M |
| 2024-09-16 | Nunn Jason Raleigh | Director | +Buy | 441,176 | $17.00 | $7M |
| 2024-09-16 | Nunn Jason Raleigh | Director | +Conversion | 669,061 | — | — |
| 2024-09-16 | Nunn Jason Raleigh | Director | +Conversion | 1,505,388 | — | — |
| 2024-09-16 | ENRIGHT PATRICK G | Director | +Conversion | 1,003,592 | — | — |
| 2024-09-16 | ENRIGHT PATRICK G | Director | +Conversion | 723,812 | — | — |
| 2024-09-16 | ENRIGHT PATRICK G | Director | +Buy | 440,000 | $17.00 | $7M |
| 2024-09-16 | ENRIGHT PATRICK G | Director | +Conversion | 334,530 | — | — |
| 2024-09-16 | MOULDER LEON O JR | Director,Officer | +Conversion | 372,017 | — | — |
| 2024-09-16 | MOULDER LEON O JR | Director,Officer | +Conversion | 164,523 | — | — |
| 2024-09-16 | MOULDER LEON O JR | Director,Officer | +Conversion | 108,381 | — | — |
| 2024-09-16 | MOULDER LEON O JR | Director,Officer | +Conversion | 48,254 | — | — |
| 2024-09-16 | Fairmount Funds Management LLC | Director | +Buy | 300,000 | $17.00 | $5M |
| 2024-09-16 | Fairmount Funds Management LLC | Director | +Conversion | 41,130 | — | — |
| 2024-09-16 | Fairmount Funds Management LLC | Director | +Conversion | 252,890 | — | — |
| 2024-09-16 | Fairmount Funds Management LLC | Director | +Conversion | 301,077 | — | — |
| 2024-09-16 | Fairmount Funds Management LLC | Director | +Conversion | 709,794 | — | — |
| 2024-09-16 | Zebra Aggregator, LP | TenPercentOwner | +Buy | 882,353 | $17.00 | $15M |
| 2024-09-16 | Zebra Aggregator, LP | TenPercentOwner | +Conversion | 2,879,006 | — | — |
| 2024-09-16 | Wellington Biomedical Innovation Master Investors (Cayman) I L.P. | TenPercentOwner | +Conversion | 200,718 | — | — |
| 2024-09-16 | Wellington Biomedical Innovation Master Investors (Cayman) I L.P. | TenPercentOwner | +Conversion | 180,635 | — | — |
| 2024-09-16 | Wellington Biomedical Innovation Master Investors (Cayman) I L.P. | TenPercentOwner | +Conversion | 420,271 | — | — |
| 2024-09-13 | Lu Hongbo | Director | +Buy | 58,823 | $17.00 | $999,991 |
| 2024-09-13 | Lu Hongbo | Director | +Buy | 58,823 | $17.00 | $999,991 |
Source: the SEC bulk insider (Form 3/4/5) data sets — non-derivative transactions in the issuer's common stock, most recent first, covering filings through 2026-06-30. Insiders file within 2 business days of a transaction, but the bulk sets publish quarterly, so this store lags live filings; option/derivative lines are excluded. Codes: P buy · S sell · A grant · M/X/C exercise · F tax · G gift.
Model-derived estimate for research. See the Disclaimer.
