92 transactions by 15 insiders, from October 15, 2025 to October 7, 2026.
People inside the company. What they do with their own shares is the reason this data exists.
| Insider | Trades | Planned | Bought | Sold |
|---|---|---|---|---|
| Abraham CeesayCEO | 38 | 37/38 | — | $5.8M |
| David BredtChief | 16 | 13/16 | — | $1.4M |
| Krishnaswamy YeleswaramChief | 13 | 10/13 | — | $4.5M |
| Cheryl GaultCOO | 10 | 8/10 | — | $1.1M |
| Troy A. IgnelziCFO | 1 | — | — | — |
| Reid M. HuberDir | 1 | — | — | — |
| Jeffrey SevignyCMO | 1 | — | — | — |
| Ramiro SanchezDir | 1 | — | — | — |
| John MaraganoreDir | 1 | — | — | — |
| Wendy B. YoungDir | 1 | — | — | — |
| Steven M. PaulDir | 1 | — | — | — |
| James HealyDir | 1 | — | — | — |
| Robert J. PerezDir | 1 | — | — | — |
| Paul M. SilvaDir | 1 | — | — | — |
Holders above 10%, often funds. They file the same form, but they trade for portfolio reasons, not because of what they know.
| Insider | Trades | Planned | Bought | Sold |
|---|---|---|---|---|
| Third Rock Ventures V, L.P.10% | 5 | 5/5 | — | $34.4M |
92 in total, newest filings first.
| Insider | Date | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| Abraham CeesayCEO | Oct 7 | SPLAN | 1,147 | $30.66 | $35K |
| Abraham CeesayCEO | Oct 6 | SPLAN | 3,375 | $32.03 | $108K |
| Cheryl GaultCOO | Sep 30 | SPLAN | 2,075 | $33.76 | $70K |
| Cheryl GaultCOO | Sep 30 | SPLAN | 7,925 | $33.04 | $262K |
| Abraham CeesayCEO | Sep 23 | SPLAN | 43 | $41.05 | $2K |
| Abraham CeesayCEO | Sep 23 | SPLAN | 215 | $39.86 | $9K |
| Abraham CeesayCEO | Sep 23 | SPLAN | 1,952 | $39.05 | $76K |
| Krishnaswamy YeleswaramChief | Aug 25 | SPLAN | 16,201 | $51.06 | $827K |
| Krishnaswamy YeleswaramChief | Aug 25 | SPLAN | 20,799 | $50.31 | $1.0M |
| Krishnaswamy YeleswaramChief | Aug 24 | SPLAN | 13,160 | $50.00 | $658K |
| Abraham CeesayCEO | Aug 25 | SPLAN | 18,921 | $49.57 | $938K |
| Krishnaswamy YeleswaramChief | Aug 19 | SPLAN | 404 | $49.90 | $20K |
| Abraham CeesayCEO | Aug 11 | SPLAN | 5,794 | $48.62 | $282K |
| Abraham CeesayCEO | Aug 11 | SPLAN | 19,500 | $48.04 | $937K |
| Abraham CeesayCEO | Aug 11 | SPLAN | 3,664 | $46.90 | $172K |
| Abraham CeesayCEO | Aug 10 | SPLAN | 8,370 | $46.75 | $391K |
| Abraham CeesayCEO | Aug 10 | SPLAN | 14,171 | $45.97 | $651K |
| Abraham CeesayCEO | Jul 27 | SPLAN | 7 | $42.74 | $299 |
| Abraham CeesayCEO | Jul 27 | SPLAN | 2,203 | $42.11 | $93K |
| Abraham CeesayCEO | Jul 14 | SPLAN | 2,729 | $40.57 | $111K |
| Abraham CeesayCEO | Jul 14 | SPLAN | 5,481 | $39.72 | $218K |
| Cheryl GaultCOO | Jun 30 | SPLAN | 1,000 | $43.15 | $43K |
| Cheryl GaultCOO | Jun 30 | SPLAN | 3,308 | $42.17 | $140K |
| Cheryl GaultCOO | Jun 30 | SPLAN | 3,792 | $41.39 | $157K |
| Cheryl GaultCOO | Jun 30 | SPLAN | 1,900 | $40.09 | $76K |
| Abraham CeesayCEO | Jun 29 | SPLAN | 876 | $40.34 | $35K |
| Abraham CeesayCEO | Jun 29 | SPLAN | 7,344 | $39.77 | $292K |
| Paul M. SilvaDirDERIV | Jun 10 | A | 15,200 | $0.00 | —? |
| Wendy B. YoungDirDERIV | Jun 10 | A | 15,200 | $0.00 | —? |
| Ramiro SanchezDirDERIV | Jun 10 | A | 15,200 | $0.00 | —? |
| Robert J. PerezDirDERIV | Jun 10 | A | 15,200 | $0.00 | —? |
| Steven M. PaulDirDERIV | Jun 10 | A | 15,200 | $0.00 | —? |
| John MaraganoreDirDERIV | Jun 10 | A | 15,200 | $0.00 | —? |
| Reid M. HuberDirDERIV | Jun 10 | A | 15,200 | $0.00 | —? |
| James HealyDirDERIV | Jun 10 | A | 15,200 | $0.00 | —? |
| Third Rock Ventures V, L.P.10%JOINT | May 26 | SPLAN | 18,572 | $40.05 | $744K |
| Third Rock Ventures V, L.P.10%JOINT | May 11 | SPLAN | 133,618 | $40.24 | $5.4M |
| Third Rock Ventures V, L.P.10%JOINT | May 8 | SPLAN | 5,018 | $40.31 | $202K |
| Third Rock Ventures V, L.P.10%JOINT | May 7 | SPLAN | 271,495 | $40.12 | $10.9M |
| Third Rock Ventures V, L.P.10%JOINT | Apr 17 | SPLAN | 426,005 | $40.32 | $17.2M |
| Krishnaswamy YeleswaramChief | Apr 17 | SPLAN | 20,225 | $39.99 | $809K |
| Krishnaswamy YeleswaramChief | Apr 14 | SPLAN | 10,200 | $35.08 | $358K |
| Krishnaswamy YeleswaramChief | Apr 13 | SPLAN | 9,165 | $34.97 | $321K |
| Krishnaswamy YeleswaramChief | Apr 10 | SPLAN | 500 | $34.98 | $17K |
| Krishnaswamy YeleswaramChief | Apr 8 | SPLAN | 360 | $34.90 | $13K |
| Cheryl GaultCOO | Mar 30 | SPLAN | 2,839 | $28.55 | $81K |
| Cheryl GaultCOO | Mar 30 | SPLAN | 7,161 | $28.04 | $201K |
| Krishnaswamy YeleswaramChief | Mar 25 | SPLAN | 10,115 | $29.99 | $303K |
| Cheryl GaultCOO | Mar 5 | S | 2,014 | $28.93 | $58K |
| Abraham CeesayCEO | Feb 18 | SPLAN | 2,100 | $29.80 | $63K |
| Abraham CeesayCEO | Feb 18 | SPLAN | 2,983 | $29.04 | $87K |
| Abraham CeesayCEO | Feb 18 | SPLAN | 2,281 | $29.80 | $68K |
| Abraham CeesayCEO | Feb 18 | SPLAN | 3,552 | $29.05 | $103K |
| David BredtChiefDERIV | Feb 19 | MPLAN | 6,000 | $0.00 | —? |
| David BredtChief | Feb 19 | MPLAN | 6,000 | $1.80 | $11K |
| David BredtChief | Feb 17 | SPLAN | 2,200 | $29.59 | $65K |
| David BredtChief | Feb 17 | SPLAN | 5,400 | $28.95 | $156K |
| David BredtChief | Feb 17 | SPLAN | 900 | $28.02 | $25K |
| Jeffrey SevignyCMODERIV | Feb 2 | A | 130,000 | $0.00 | —? |
| Krishnaswamy YeleswaramChiefDERIV | Feb 2 | A | 120,000 | $0.00 | —? |
| Troy A. IgnelziCFODERIV | Feb 2 | A | 148,000 | $0.00 | —? |
| Cheryl GaultCOODERIV | Feb 2 | A | 132,000 | $0.00 | —? |
| Abraham CeesayCEODERIV | Feb 2 | A | 428,000 | $0.00 | —? |
| David BredtChiefDERIV | Feb 2 | A | 103,000 | $0.00 | —? |
| Abraham CeesayCEO | Jan 20 | SPLAN | 5,083 | $26.11 | $133K |
| Abraham CeesayCEO | Jan 20 | SPLAN | 5,833 | $26.12 | $152K |
| David BredtChief | Jan 15 | SPLAN | 200 | $27.40 | $5K |
| David BredtChief | Jan 15 | SPLAN | 8,300 | $26.83 | $223K |
| Krishnaswamy YeleswaramChief | Dec 31 | S | 2,840 | $30.05 | $85K |
| Krishnaswamy YeleswaramChief | Dec 31 | A | 9,000 | — | — |
| David BredtChief | Dec 31 | S | 6,567 | $30.05 | $197K |
| David BredtChief | Dec 31 | A | 18,000 | — | — |
| Abraham CeesayCEO | Dec 17 | SPLAN | 515 | $31.04 | $16K |
| Abraham CeesayCEO | Dec 17 | SPLAN | 2,421 | $30.04 | $73K |
| Abraham CeesayCEO | Dec 17 | SPLAN | 2,147 | $28.84 | $62K |
| Abraham CeesayCEO | Dec 17 | SPLAN | 600 | $31.04 | $19K |
| Abraham CeesayCEO | Dec 17 | SPLAN | 2,792 | $30.04 | $84K |
| Abraham CeesayCEO | Dec 17 | SPLAN | 2,441 | $28.84 | $70K |
| David BredtChief | Dec 15 | SPLAN | 796 | $30.68 | $24K |
| David BredtChief | Dec 15 | SPLAN | 7,704 | $29.95 | $231K |
| David BredtChief | Nov 17 | SPLAN | 5,344 | $25.39 | $136K |
| David BredtChief | Nov 17 | SPLAN | 3,156 | $24.84 | $78K |
| Abraham CeesayCEO | Nov 17 | SPLAN | 2,841 | $25.44 | $72K |
| Abraham CeesayCEO | Nov 17 | SPLAN | 2,242 | $24.91 | $56K |
| Abraham CeesayCEO | Nov 17 | SPLAN | 3,056 | $25.43 | $78K |
| Abraham CeesayCEO | Nov 17 | SPLAN | 2,777 | $24.92 | $69K |
| David BredtChief | Oct 15 | SPLAN | 1,082 | $26.16 | $28K |
| David BredtChief | Oct 15 | SPLAN | 7,418 | $25.73 | $191K |
| Abraham CeesayCEO | Oct 15 | SPLAN | 755 | $26.17 | $20K |
| Abraham CeesayCEO | Oct 15 | SPLAN | 4,328 | $25.75 | $111K |
| Abraham CeesayCEO | Oct 15 | SPLAN | 1,186 | $26.14 | $31K |
| Abraham CeesayCEO | Oct 15 | SPLAN | 4,647 | $25.72 | $120K |