35 transactions by 12 insiders, from December 11, 2025 to September 28, 2026.
People inside the company. What they do with their own shares is the reason this data exists.
| Insider | Trades | Planned | Bought | Sold |
|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P.Dir | 16 | — | $780K | — |
| Stephen Basil ThomasDir | 6 | 4/6 | — | $2.2M |
| Aoife BrennanCEO | 4 | 3/4 | — | $407K |
| Cindy DriscollPres | 1 | — | — | — |
| Judith DunnDir | 1 | — | — | — |
| Susan ALTSCHULLERCFO | 1 | — | — | — |
| Andrew David LevinDir | 1 | — | — | — |
| Perrin Megan WilsonChief | 1 | — | — | — |
| Douglas E. WilliamsDir | 1 | — | — | — |
| Breanna Maurine CelebiDir | 1 | — | — | — |
| Kimberlee C. DrapkinDir | 1 | — | — | — |
| Alexander CumboDir | 1 | — | — | — |
35 in total, newest filings first.
| Insider | Date | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P.DirDERIVJOINT | Sep 28 | M | 40,000 | $0.00 | —? |
| RA CAPITAL MANAGEMENT, L.P.DirDERIVJOINT | Sep 28 | M | 10,000 | $0.00 | —? |
| RA CAPITAL MANAGEMENT, L.P.DirDERIVJOINT | Sep 28 | M | 10,000 | $0.00 | —? |
| RA CAPITAL MANAGEMENT, L.P.DirDERIVJOINT | Sep 28 | M | 10,000 | $0.00 | —? |
| RA CAPITAL MANAGEMENT, L.P.DirJOINT | Sep 28 | M | 40,000 | $1.29 | $52K |
| RA CAPITAL MANAGEMENT, L.P.DirJOINT | Sep 28 | M | 10,000 | $7.89 | $79K |
| RA CAPITAL MANAGEMENT, L.P.DirJOINT | Sep 28 | M | 10,000 | $3.00 | $30K |
| RA CAPITAL MANAGEMENT, L.P.DirJOINT | Sep 28 | M | 10,000 | $3.46 | $35K |
| Stephen Basil Thomas | Sep 15 | S | 100,000 | $13.67 | $1.4M |
| RA CAPITAL MANAGEMENT, L.P.DirDERIVJOINT | Jun 29 | A | 70,284 | $0.00 | —? |
| Breanna Maurine CelebiDirDERIV | Jun 29 | A | 70,284 | $0.00 | —? |
| Aoife BrennanCEODERIV | Jun 27 | MPLAN | 68,750 | $0.00 | —? |
| Aoife BrennanCEO | Jun 29 | SPLAN | 30,902 | $13.17 | $407K |
| Aoife BrennanCEO | Jun 27 | MPLAN | 68,750 | — | — |
| RA CAPITAL MANAGEMENT, L.P.DirDERIVJOINT | Jun 5 | A | 40,000 | $0.00 | —? |
| Andrew David LevinDirDERIV | Jun 5 | A | 40,000 | $0.00 | —? |
| Kimberlee C. DrapkinDirDERIV | Jun 5 | A | 40,000 | $0.00 | —? |
| Douglas E. WilliamsDirDERIV | Jun 5 | A | 40,000 | $0.00 | —? |
| Alexander CumboDirDERIV | Jun 5 | A | 40,000 | $0.00 | —? |
| Stephen Basil ThomasDirDERIV | Jun 5 | A | 40,000 | $0.00 | —? |
| Judith DunnDirDERIV | Jun 5 | A | 40,000 | $0.00 | —? |
| RA CAPITAL MANAGEMENT, L.P.DirDERIVJOINT | Apr 29 | A | 2,106,000 | $9.50 | $20.0M? |
| Stephen Basil ThomasDir | Feb 26 | SPLAN | 16,313 | $7.01 | $114K |
| Stephen Basil ThomasDir | Feb 25 | SPLAN | 33,687 | $7.00 | $236K |
| Stephen Basil ThomasDir | Feb 13 | SPLAN | 10,000 | $5.81 | $58K |
| Stephen Basil ThomasDir | Feb 12 | SPLAN | 90,000 | $5.23 | $471K |
| Perrin Megan WilsonChiefDERIV | Jan 6 | A | 300,000 | $0.00 | —? |
| Cindy DriscollPresDERIV | Jan 6 | A | 100,000 | $0.00 | —? |
| Aoife BrennanCEODERIV | Jan 6 | A | 700,000 | $0.00 | —? |
| Susan ALTSCHULLERCFODERIV | Jan 6 | A | 142,500 | $0.00 | —? |
| RA CAPITAL MANAGEMENT, L.P.DirJOINT | Jan 5 | P | 7,111 | $3.50 | $25K |
| RA CAPITAL MANAGEMENT, L.P.DirDERIVJOINT | Dec 11 | A | 20,440,000 | — | — |
| RA CAPITAL MANAGEMENT, L.P.DirJOINT | Dec 12 | P | 101,462 | $2.86 | $290K |
| RA CAPITAL MANAGEMENT, L.P.DirJOINT | Dec 11 | P | 213,099 | $2.18 | $465K |
| RA CAPITAL MANAGEMENT, L.P.DirJOINT | Dec 11 | D | 20,440,000 | $0.00 | — |