2025Q4
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Parkinson David Ross | CEO | 350,000 | Mar 28, 2024 |
| Bvf Partners L P/Il | 10% Owner | 203,336 | Aug 7, 2025 |
| Biotechnology Value Fund L P | 10% Owner | 203,336 | Aug 7, 2025 |
| Bvf I Gp Llc | 10% Owner | 203,336 | Aug 7, 2025 |
| Biotechnology Value Fund II Lp | Other | 203,336 | Aug 7, 2025 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Oct 9, 2025 | Oct 15, 2025 | Parkinson David Ross | CEO | Neutral | 27.5 | -65,675 | -100.00% | ✗ | - |
| Oct 9, 2025 | Oct 15, 2025 | Wood David S. | CFO | Neutral | 27.5 | -33,343 | -100.00% | ✗ | - |
| Oct 9, 2025 | Oct 15, 2025 | BERGER FRANKLIN M | Director | Neutral | 27.5 | -784,404 | -100.00% | ✗ | - |
| Oct 9, 2025 | Oct 15, 2025 | Glickman Richard M | Director | Neutral | 27.5 | -43,240 | -100.00% | ✗ | - |
| Oct 9, 2025 | Oct 15, 2025 | Requadt Scott | Director | Neutral | 27.5 | -30,002 | -100.00% | ✗ | - |
| Oct 9, 2025 | Oct 15, 2025 | Martin John Alexander | Director | Neutral | 27.5 | -14,299 | -100.00% | ✗ | - |
| Oct 9, 2025 | Oct 15, 2025 | Thorell Marella | Director | Neutral | 27.5 | -2,881 | -100.00% | ✗ | - |
| Oct 9, 2025 | Oct 14, 2025 | BVF PARTNERS L P/IL | 10% Owner | Neutral | 27.5 | -11,481,685 | -100.00% | ✗ | - |
| Aug 5, 2025 | Aug 7, 2025 | BVF PARTNERS L P/IL | 10% Owner | Sell | 52.5 | -156 | 0.00% | ✗ | $293 |
| Nov 1, 2024 | Nov 5, 2024 | BIOTECH GROWTH N V | 10% Owner | Sell | 15.0 | -7,879,583 | -100.00% | ✗ | $12M |
| Oct 7, 2024 | Oct 7, 2024 | Virsik Peter | COO | Sell | 33.8 | -694 | -8.19% | ✓ | $4.2K |
| Sep 9, 2024 | Sep 9, 2024 | Virsik Peter | COO | Sell | 33.8 | -694 | -7.57% | ✓ | $4.2K |
| Sep 3, 2024 | Sep 3, 2024 | Virsik Peter | COO | Sell | 23.8 | -2,082 | -18.51% | ✓ | $12.6K |
| May 6, 2024 | May 6, 2024 | Virsik Peter | COO | Sell | 37.5 | -694 | -5.81% | ✓ | $4.8K |
| Apr 24, 2024 | Apr 25, 2024 | Glickman Richard M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Apr 5, 2024 | Apr 5, 2024 | Virsik Peter | COO | Sell | 37.5 | -694 | -5.49% | ✓ | $5.5K |
| Mar 25, 2024 | Mar 28, 2024 | ZWEIFACH SANFORD S | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 28, 2024 | Thorell Marella | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 28, 2024 | Sollis Gary | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 28, 2024 | Requadt Scott | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 28, 2024 | Merendino Lauren | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 28, 2024 | Martin John Alexander | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 28, 2024 | Kantoff Philip W. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 28, 2024 | Glickman Richard M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 28, 2024 | BERGER FRANKLIN M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 28, 2024 | Wood David S. | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 28, 2024 | Virsik Peter | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 28, 2024 | Parkinson David Ross | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 25, 2024 | Mar 28, 2024 | Cesano Alessandra | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 5, 2024 | Mar 5, 2024 | Virsik Peter | COO | Sell | 37.5 | -694 | -5.21% | ✓ | $6.2K |
| Feb 6, 2024 | Feb 7, 2024 | Virsik Peter | COO | Sell | 7.5 | -72,782 | -84.52% | ✓ | $748.9K |
| Feb 5, 2024 | Feb 6, 2024 | Virsik Peter | COO | Sell | 41.3 | -1,194 | -4.29% | ✓ | $11.4K |
| Jan 16, 2024 | Jan 17, 2024 | Virsik Peter | COO | Sell | 28.8 | -1,718 | -10.91% | ✓ | $17.2K |
| Oct 30, 2023 | Jan 16, 2024 | Requadt Scott | Director | Neutral | 27.5 | -30,002 | -50.00% | ✗ | - |
| Jan 5, 2024 | Jan 8, 2024 | Virsik Peter | COO | Sell | 42.5 | -699 | -4.75% | ✓ | $4.3K |
| Dec 14, 2023 | Dec 18, 2023 | Parkinson David Ross | CEO | Buy | 91.3 | +9,223 | 16.34% | ✗ | $21.2K |
| Oct 24, 2023 | Nov 24, 2023 | Wood David S. | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 21, 2023 | Nov 22, 2023 | BERGER FRANKLIN M | Director | Buy | 87.5 | +23,259 | 3.06% | ✗ | $133.3K |
| Nov 2, 2023 | Nov 16, 2023 | BERGER FRANKLIN M | Director | Buy | 97.5 | +76,471 | 11.17% | ✗ | $419.7K |
| Jun 6, 2023 | Merendino Lauren | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Dec 22, 2022 | Jan 5, 2023 | Parkinson David Ross | CEO | Buy | 95.0 | +24,434 | 76.10% | ✗ | $59K |
| Dec 14, 2022 | Jan 5, 2023 | BERGER FRANKLIN M | Director | Sell | 20.0 | -272,840 | -28.50% | ✗ | $729.1K |
| Dec 30, 2022 | Jan 5, 2023 | Wood David S. | CFO | Buy | 91.3 | +8,302 | 33.15% | ✗ | $21.6K |
| Jun 29, 2022 | Nov 1, 2022 | ZWEIFACH SANFORD S | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 29, 2022 | Nov 1, 2022 | Wood David S. | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 29, 2022 | Nov 1, 2022 | Virsik Peter | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 29, 2022 | Nov 1, 2022 | Thorell Marella | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 29, 2022 | Nov 1, 2022 | Sollis Gary | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 29, 2022 | Nov 1, 2022 | Requadt Scott | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 29, 2022 | Nov 1, 2022 | Parkinson David Ross | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 29, 2022 | Nov 1, 2022 | Martin John Alexander | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 29, 2022 | Nov 1, 2022 | Glickman Richard M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 29, 2022 | Nov 1, 2022 | Cesano Alessandra | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 29, 2022 | Nov 1, 2022 | BERGER FRANKLIN M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 26, 2022 | Oct 28, 2022 | BIOTECH GROWTH N V | 10% Owner | Buy | 100.0 | +2,000,000 | 34.02% | ✗ | $8.2M |
| Sep 21, 2022 | Kantoff Philip W. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jul 21, 2022 | BVF PARTNERS L P/IL | 10% Owner | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jul 18, 2022 | Jul 20, 2022 | BIOTECH GROWTH N V | 10% Owner | Buy | 92.5 | +300,000 | 5.38% | ✗ | $946.7K |
| Jul 14, 2022 | Jul 18, 2022 | BIOTECH GROWTH N V | 10% Owner | Buy | 100.0 | +588,869 | 11.80% | ✗ | $1.7M |
| Jun 30, 2022 | Jul 5, 2022 | Parkinson David Ross | CEO | Buy | 91.3 | +4,887 | 17.95% | ✗ | $14.5K |
| Apr 27, 2022 | Apr 28, 2022 | BIOTECH GROWTH N V | 10% Owner | Sell | 32.5 | -25,100 | -0.50% | ✗ | $146.9K |
| Aug 18, 2021 | Aug 20, 2021 | BIOTECH GROWTH N V | 10% Owner | Buy | 95.0 | +250,000 | 5.25% | ✗ | $2.2M |
| Aug 17, 2021 | BIOTECH GROWTH N V | 10% Owner | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 22, 2021 | Mar 4, 2021 | BERGER FRANKLIN M | Director | Buy | 95.0 | +57,000 | 6.33% | ✗ | $1.5M |
| Dec 11, 2020 | Jan 26, 2021 | ZWEIFACH SANFORD S | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 26, 2021 | Thorell Marella | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 26, 2021 | Sollis Gary | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 26, 2021 | Requadt Scott | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 26, 2021 | Martin John Alexander | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 26, 2021 | Glickman Richard M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 26, 2021 | Brettman Ari David | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 26, 2021 | BERGER FRANKLIN M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 11, 2021 | ZWEIFACH SANFORD S | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 11, 2021 | Wood David S. | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 11, 2021 | Virsik Peter | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 11, 2021 | Thorell Marella | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 11, 2021 | Sollis Gary | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 11, 2021 | Requadt Scott | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 11, 2021 | Parkinson David Ross | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 11, 2021 | Martin John Alexander | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 11, 2021 | Glickman Richard M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 11, 2021 | Cesano Alessandra | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 11, 2020 | Jan 11, 2021 | Brettman Ari David | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 3, 2020 | Jan 11, 2021 | BERGER FRANKLIN M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 2, 2020 | ZWEIFACH SANFORD S | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 2, 2020 | Martin John Alexander | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 1, 2020 | Thorell Marella | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 1, 2020 | Sollis Gary | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 1, 2020 | Cesano Alessandra | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 1, 2020 | Wood David S. | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 1, 2020 | Virsik Peter | COO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 1, 2020 | Brettman Ari David | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 1, 2020 | BERGER FRANKLIN M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 1, 2020 | Glickman Richard M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 1, 2020 | Requadt Scott | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 1, 2020 | Parkinson David Ross | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |