2026Q1
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Nelsen Robert | — | 5,768,694 | May 23, 2019 |
| Crandell Keith | — | 5,768,694 | May 23, 2019 |
| Bybee Clinton | — | 5,768,694 | May 23, 2019 |
| ARCH Venture Fund VIII, L.P. | — | 5,768,694 | May 23, 2019 |
| ARCH Venture Partners VIII, LLC | — | 5,768,694 | May 23, 2019 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Feb 25, 2026 | Feb 27, 2026 | Kalowski Lee | CFO | Sell | 46.3 | -3,995 | -10.00% | ✗ | $18K |
| Feb 25, 2026 | Feb 27, 2026 | Morrison Jodie Pope | CEO | Sell | 46.3 | -9,896 | -10.00% | ✗ | $44.7K |
| Feb 25, 2026 | Feb 27, 2026 | Violette Shelia M. | Chief Scientific Officer | Sell | 46.3 | -2,815 | -2.97% | ✗ | $12.7K |
| Jan 15, 2026 | Jan 30, 2026 | LAPORTE KATHLEEN | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 15, 2026 | Jan 30, 2026 | GRAYZEL DAVID S. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 15, 2026 | Jan 30, 2026 | Lundberg Sven Ante | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 2, 2025 | Dec 4, 2025 | Morrison Jodie Pope | CEO | Sell | 22.5 | -22,506 | -18.52% | ✗ | $77.9K |
| Dec 2, 2025 | Dec 4, 2025 | Kalowski Lee | CFO | Sell | 26.3 | -9,072 | -18.51% | ✗ | $31.4K |
| Oct 23, 2025 | Oct 27, 2025 | Lundberg Sven Ante | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 23, 2025 | Oct 27, 2025 | Iwicki Mark T | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 23, 2025 | Oct 27, 2025 | Manke Isaac | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 23, 2025 | Oct 27, 2025 | Xu Diyong | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 23, 2025 | Oct 27, 2025 | Thistle Mary | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 23, 2025 | Oct 27, 2025 | GRAYZEL DAVID S. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 23, 2025 | Oct 27, 2025 | TZIANABOS ARTHUR | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 23, 2025 | Oct 27, 2025 | LAPORTE KATHLEEN | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Aug 26, 2025 | Aug 28, 2025 | Morrison Jodie Pope | CEO | Sell | 46.3 | -10,494 | -7.95% | ✗ | $18.9K |
| Aug 26, 2025 | Aug 28, 2025 | Violette Shelia M. | Chief Scientific Officer | Sell | 47.5 | -2,990 | -3.06% | ✗ | $5.4K |
| Aug 26, 2025 | Aug 28, 2025 | Kalowski Lee | CFO | Sell | 47.5 | -4,240 | -7.96% | ✗ | $7.6K |
| Feb 24, 2025 | Feb 27, 2025 | Manke Isaac | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 24, 2025 | Feb 27, 2025 | Kalowski Lee | CFO | Neutral | 90.0 | +53,250 | 100.00% | ✗ | - |
| Feb 24, 2025 | Feb 27, 2025 | LAPORTE KATHLEEN | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 24, 2025 | Feb 27, 2025 | TZIANABOS ARTHUR | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 24, 2025 | Feb 26, 2025 | Morrison Jodie Pope | CEO | Neutral | 90.0 | +132,000 | 100.00% | ✗ | - |
| Feb 24, 2025 | Feb 26, 2025 | Xu Diyong | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 24, 2025 | Feb 26, 2025 | Iwicki Mark T | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 24, 2025 | Feb 26, 2025 | Campagna Jason | Chief Medical Officer | Neutral | 90.0 | +37,500 | 100.00% | ✗ | - |
| Feb 24, 2025 | Feb 26, 2025 | GRAYZEL DAVID S. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 24, 2025 | Feb 26, 2025 | Thistle Mary | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 24, 2025 | Feb 26, 2025 | Violette Shelia M. | Chief Scientific Officer | Neutral | 90.0 | +37,500 | 62.34% | ✗ | - |
| Feb 24, 2025 | Feb 26, 2025 | Lundberg Sven Ante | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 11, 2024 | Oct 16, 2024 | Violette Shelia M. | Chief Scientific Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 8, 2024 | Oct 10, 2024 | Violette Shelia M. | Chief Scientific Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Apr 1, 2024 | Sep 30, 2024 | Manke Isaac | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 25, 2024 | Sep 27, 2024 | Lundberg Sven Ante | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Apr 1, 2024 | Aug 14, 2024 | GRAYZEL DAVID S. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Aug 14, 2024 | TZIANABOS ARTHUR | Director | Sell | 47.5 | -265 | -3.21% | ✗ | $6.4K |
| Mar 25, 2024 | Apr 23, 2024 | Alloway Paul | Officer | Sell | 33.8 | -268 | -9.36% | ✓ | $6.5K |
| Mar 25, 2024 | Apr 23, 2024 | Michaud Charles Jr | Officer | Sell | 37.5 | -75 | -7.49% | ✓ | $1.8K |
| Mar 25, 2024 | Mar 27, 2024 | TZIANABOS ARTHUR | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 27, 2024 | Manke Isaac | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 27, 2024 | Iwicki Mark T | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 27, 2024 | GRAYZEL DAVID S. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 27, 2024 | Xu Diyong | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 27, 2024 | Campagna Jason | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 27, 2024 | Morrison Jodie Pope | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 27, 2024 | Violette Shelia M. | Chief Scientific Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 27, 2024 | LAPORTE KATHLEEN | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 27, 2024 | Kalowski Lee | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 27, 2024 | Thistle Mary | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 27, 2024 | Violette Shelia M. | Chief Scientific Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 25, 2024 | Mar 27, 2024 | Lundberg Sven Ante | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 27, 2024 | GRAYZEL DAVID S. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 27, 2024 | Manke Isaac | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 27, 2024 | Xu Diyong | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 27, 2024 | Morrison Jodie Pope | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 27, 2024 | LAPORTE KATHLEEN | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 27, 2024 | Campagna Jason | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 27, 2024 | Kalowski Lee | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 27, 2024 | ORBIMED ADVISORS LLC | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 27, 2024 | Iwicki Mark T | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 27, 2024 | Atlas Venture Fund X, L.P. | 10% Owner | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 27, 2024 | Lundberg Sven Ante | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 25, 2024 | Mar 27, 2024 | Alloway Paul | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 27, 2024 | Michaud Charles Jr | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 1, 2024 | Feb 15, 2024 | TZIANABOS ARTHUR | Director | Sell | 33.8 | -13,037 | -9.19% | ✓ | $7.4K |
| Jan 3, 2024 | Jan 5, 2024 | Alloway Paul | Officer | Sell | 20.0 | -7,280 | -20.61% | ✓ | $4.1K |
| Jan 3, 2024 | Jan 5, 2024 | Michaud Charles Jr | Officer | Sell | 30.0 | -1,708 | -12.84% | ✓ | $975.3 |
| Jan 1, 2024 | Jan 3, 2024 | Alloway Paul | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 1, 2024 | Jan 3, 2024 | Michaud Charles Jr | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2023 | Michaud Charles Jr | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Nov 17, 2023 | Michaud Charles Jr | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Sep 6, 2023 | Sep 8, 2023 | Seymour Albert | Officer | Sell | 52.5 | -1,448 | -0.95% | ✓ | $1.7K |
| Aug 3, 2023 | Aug 7, 2023 | Jordan Julie | Chief Medical Officer | Sell | 30.0 | -1,853 | -10.65% | ✓ | $2.6K |
| Aug 2, 2023 | Aug 4, 2023 | Jordan Julie | Chief Medical Officer | Sell | 42.5 | -99 | -3.45% | ✓ | $129.7 |
| Jun 14, 2023 | Jun 15, 2023 | GILLIS STEVEN | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 14, 2023 | Jun 15, 2023 | Patterson Matthew R | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 14, 2023 | Jun 15, 2023 | Thistle Mary | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 14, 2023 | Jun 15, 2023 | TZIANABOS ARTHUR | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 14, 2023 | Jun 15, 2023 | Poulton Jeffrey V. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 14, 2023 | Jun 15, 2023 | REICIN ALISE | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 16, 2023 | Jordan Julie | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 2, 2023 | Mar 6, 2023 | Alloway Paul | Officer | Sell | 13.8 | -10,965 | -39.63% | ✓ | $15.9K |
| Feb 23, 2023 | Feb 27, 2023 | Alloway Paul | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 23, 2023 | Feb 27, 2023 | Blum Michael Lee | Chief Commercial Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 23, 2023 | Feb 27, 2023 | Smith W Bradford | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 23, 2023 | Feb 27, 2023 | Seymour Albert | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 20, 2023 | Blum Michael Lee | Chief Commercial Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jan 20, 2023 | Blum Michael Lee | Chief Commercial Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jan 20, 2023 | Alloway Paul | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jan 20, 2023 | Seymour Albert | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jan 9, 2023 | Jan 11, 2023 | Blum Michael Lee | Chief Commercial Officer | Sell | 25.0 | -2,454 | -15.35% | ✓ | $3.4K |
| Jan 9, 2023 | Jan 11, 2023 | Alloway Paul | Officer | Sell | 30.0 | -3,090 | -13.32% | ✓ | $4.3K |
| Jan 9, 2023 | Jan 11, 2023 | Smith W Bradford | Officer | Sell | 20.0 | -3,729 | -20.78% | ✓ | $5.2K |
| Jan 9, 2023 | Jan 11, 2023 | Seymour Albert | Officer | Sell | 46.3 | -3,620 | -2.47% | ✓ | $5K |
| Jan 9, 2023 | Jan 11, 2023 | TZIANABOS ARTHUR | Director | Sell | 32.5 | -10,616 | -8.92% | ✓ | $14.8K |
| Jan 1, 2023 | Jan 4, 2023 | Blum Michael Lee | Chief Commercial Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 1, 2023 | Jan 4, 2023 | TZIANABOS ARTHUR | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 1, 2023 | Jan 4, 2023 | Seymour Albert | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 1, 2023 | Jan 4, 2023 | Smith W Bradford | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |