47 transactions by 12 insiders, from November 17, 2025 to August 17, 2026.
People inside the company. What they do with their own shares is the reason this data exists.
| Insider | Trades | Planned | Bought | Sold |
|---|---|---|---|---|
| Faraz AliCEO | 11 | — | — | $32K |
| Whittemore TingleyCMO | 10 | — | — | $11K |
| Tomohiro HigaSVP | 6 | — | — | $3K |
| June LeeDir | 1 | — | — | — |
| Catherine Stehman-BreenDir | 1 | — | — | — |
| Karah Herdman ParschauerDir | 1 | — | — | — |
| Jeffrey T. WalshDir | 1 | — | — | — |
| Deepak SrivastavaDir | 1 | — | — | — |
| Amy L. BurroughsDir | 1 | — | — | — |
| Eric J. HyllengrenCFO | 1 | — | — | — |
| R. Sanders WilliamsDir | 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 |
|---|---|---|---|---|
| COLUMN GROUP III GP, LP10% | 12 | — | — | $5.9M |
47 in total, newest filings first.
| Insider | Date | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| Whittemore TingleyCMO | Aug 17 | S | 2,279 | $0.71 | $2K |
| Whittemore TingleyCMO | Aug 17 | S | 1,871 | $0.71 | $1K |
| Whittemore TingleyCMO | Aug 17 | S | 1,637 | $0.71 | $1K |
| Whittemore TingleyCMO | Aug 17 | S | 1,637 | $0.71 | $1K |
| Faraz AliCEO | Aug 17 | S | 7,406 | $0.71 | $5K |
| Faraz AliCEO | Aug 17 | S | 5,020 | $0.71 | $4K |
| Faraz AliCEO | Aug 17 | S | 3,969 | $0.71 | $3K |
| Faraz AliCEO | Aug 17 | S | 5,837 | $0.71 | $4K |
| Eric J. HyllengrenCFODERIV | Jul 13 | A | 1,650,000 | $0.00 | —? |
| R. Sanders WilliamsDirDERIV | May 28 | A | 120,000 | $0.00 | —? |
| Jeffrey T. WalshDirDERIV | May 28 | A | 120,000 | $0.00 | —? |
| Catherine Stehman-BreenDirDERIV | May 28 | A | 120,000 | $0.00 | —? |
| Deepak SrivastavaDirDERIV | May 28 | A | 120,000 | $0.00 | —? |
| Karah Herdman ParschauerDirDERIV | May 28 | A | 120,000 | $0.00 | —? |
| June LeeDirDERIV | May 28 | A | 120,000 | $0.00 | —? |
| Amy L. BurroughsDirDERIV | May 28 | A | 120,000 | $0.00 | —? |
| Whittemore TingleyCMO | May 18 | S | 3,121 | $0.79 | $2K |
| Tomohiro HigaSVP | May 18 | S | 1,485 | $0.79 | $1K |
| Faraz AliCEO | May 18 | S | 3,390 | $0.79 | $3K |
| COLUMN GROUP III GP, LP10%JOINT | Feb 25 | S | 1,862,545 | $0.56 | $1.0M |
| COLUMN GROUP III GP, LP10%JOINT | Feb 25 | S | 1,649,281 | $0.56 | $928K |
| COLUMN GROUP III GP, LP10%JOINT | Feb 24 | S | 349,212 | $0.62 | $215K |
| COLUMN GROUP III GP, LP10%JOINT | Feb 24 | S | 309,228 | $0.62 | $190K |
| COLUMN GROUP III GP, LP10%JOINT | Feb 23 | S | 162,291 | $0.60 | $97K |
| COLUMN GROUP III GP, LP10%JOINT | Feb 23 | S | 143,709 | $0.60 | $86K |
| COLUMN GROUP III GP, LP10%JOINT | Feb 20 | S | 277,769 | $0.61 | $171K |
| COLUMN GROUP III GP, LP10%JOINT | Feb 20 | S | 245,965 | $0.61 | $151K |
| Whittemore TingleyCMO | Feb 17 | S | 1,876 | $0.64 | $1K |
| Whittemore TingleyCMO | Feb 17 | S | 1,642 | $0.64 | $1K |
| Whittemore TingleyCMO | Feb 17 | S | 1,642 | $0.64 | $1K |
| Tomohiro HigaSVP | Feb 17 | S | 2,022 | $0.64 | $1K |
| Tomohiro HigaSVP | Feb 17 | S | 836 | $0.64 | $538 |
| Tomohiro HigaSVP | Feb 17 | S | 611 | $0.64 | $393 |
| Faraz AliCEO | Feb 17 | S | 5,032 | $0.64 | $3K |
| Faraz AliCEO | Feb 17 | S | 3,979 | $0.64 | $3K |
| Faraz AliCEO | Feb 17 | S | 5,851 | $0.64 | $4K |
| COLUMN GROUP III GP, LP10%JOINT | Feb 11 | S | 2,151,458 | $0.68 | $1.5M |
| COLUMN GROUP III GP, LP10%JOINT | Feb 11 | S | 1,905,115 | $0.68 | $1.3M |
| COLUMN GROUP III GP, LP10%JOINT | Feb 10 | S | 182,295 | $0.82 | $149K |
| COLUMN GROUP III GP, LP10%JOINT | Feb 10 | S | 161,422 | $0.82 | $132K |
| Whittemore TingleyCMODERIV | Feb 3 | A | 318,500 | $0.00 | —? |
| Whittemore TingleyCMO | Feb 3 | A | 48,750 | $0.00 | — |
| Tomohiro HigaSVPDERIV | Feb 3 | A | 175,500 | $0.00 | —? |
| Tomohiro HigaSVP | Feb 3 | A | 29,250 | $0.00 | — |
| Faraz AliCEODERIV | Feb 3 | A | 952,250 | $0.00 | —? |
| Faraz AliCEO | Feb 3 | A | 158,600 | $0.00 | — |
| Faraz AliCEO | Nov 17 | S | 3,126 | $1.33 | $4K |