2026Q1
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Session R.A. II | 10% Owner | 9,430,582 | Sep 23, 2020 |
| Audentes Therapeutics, Inc. | — | 7,266,342 | Oct 31, 2022 |
| Astellas Pharma Inc. | — | 7,266,342 | Oct 31, 2022 |
| Alam Kamran | CFO | 1,187,603 | Aug 22, 2025 |
| Stalfort John A III | Director | 1,049,381 | Aug 16, 2023 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Feb 4, 2026 | Feb 6, 2026 | Alam Kamran | CFO | Sell | 52.5 | -1,655 | -0.11% | ✗ | $7.5K |
| Jan 23, 2026 | Jan 27, 2026 | Nagendran Sukumar | President | Sell | 20.0 | -116,050 | -8.10% | ✗ | $547.5K |
| Jan 23, 2026 | Jan 27, 2026 | Nolan Sean P. | CEO | Sell | 20.0 | -178,101 | -3.85% | ✗ | $840.2K |
| Jan 23, 2026 | Jan 27, 2026 | Alam Kamran | CFO | Sell | 20.0 | -102,817 | -6.65% | ✗ | $485K |
| Jan 12, 2026 | Jan 14, 2026 | Alam Kamran | CFO | Neutral | 90.0 | +359,000 | 30.23% | ✗ | - |
| Jan 12, 2026 | Jan 14, 2026 | Nolan Sean P. | CEO | Neutral | 90.0 | +1,008,000 | 27.89% | ✗ | - |
| Jan 12, 2026 | Jan 14, 2026 | Nagendran Sukumar | President | Sell | 97.5 | +227,000 | 18.82% | ✓ | $942K |
| Nov 28, 2025 | Dec 1, 2025 | Nagendran Sukumar | President | Sell | 17.5 | -370,172 | -15.53% | ✗ | $1.7M |
| Sep 10, 2025 | Sep 12, 2025 | Nagendran Sukumar | President | Sell | 17.5 | -200,000 | -16.58% | ✓ | $646K |
| Aug 21, 2025 | Aug 22, 2025 | Nagendran Sukumar | President | Sell | 22.5 | -57,054 | -4.67% | ✗ | $162.6K |
| Aug 21, 2025 | Aug 22, 2025 | Alam Kamran | CFO | Sell | 22.5 | -54,491 | -4.39% | ✗ | $155.3K |
| Jun 2, 2025 | Jun 4, 2025 | Stalfort John A III | Director | Neutral | 82.5 | +56,623 | 2.86% | ✗ | - |
| Jun 2, 2025 | Jun 4, 2025 | Donenberg Phillip B. | Director | Neutral | 90.0 | +56,623 | 34.67% | ✗ | - |
| Jun 2, 2025 | Jun 4, 2025 | Long Alison S | Director | Neutral | 90.0 | +56,623 | 115.04% | ✗ | - |
| Jun 2, 2025 | Jun 4, 2025 | Sepp-Lorenzino Laura | Director | Neutral | 90.0 | +56,623 | 115.04% | ✗ | - |
| May 30, 2025 | Jun 3, 2025 | Manning Paul B | 10% Owner | Buy | 100.0 | +750,000 | 35.86% | ✗ | $2.1M |
| May 31, 2023 | Apr 10, 2025 | Alam Kamran | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 11, 2025 | Mar 13, 2025 | Alam Kamran | CFO | Sell | 42.5 | -29,843 | -2.35% | ✗ | $50.4K |
| Jan 2, 2025 | Jan 3, 2025 | Nolan Sean P. | CEO | Neutral | 90.0 | +892,500 | 32.80% | ✗ | - |
| Jan 2, 2025 | Jan 3, 2025 | Nagendran Sukumar | President | Neutral | 90.0 | +324,500 | 36.14% | ✗ | - |
| Jan 2, 2025 | Jan 3, 2025 | Alam Kamran | CFO | Neutral | 90.0 | +431,000 | 51.25% | ✗ | - |
| Jun 27, 2024 | Jul 1, 2024 | Manning Paul B | 10% Owner | Buy | 95.0 | +1,333,333 | 5.67% | ✗ | $3M |
| May 29, 2024 | May 31, 2024 | Stalfort John A III | Director | Neutral | 82.5 | +49,220 | 2.55% | ✗ | - |
| May 29, 2024 | May 31, 2024 | Long Alison S | Director | Neutral | 90.0 | +49,220 | 100.00% | ✗ | - |
| May 29, 2024 | May 31, 2024 | Donenberg Phillip B. | Director | Neutral | 90.0 | +49,220 | 43.13% | ✗ | - |
| May 29, 2024 | May 31, 2024 | Sepp-Lorenzino Laura | Director | Neutral | 90.0 | +49,220 | 100.00% | ✗ | - |
| Feb 2, 2024 | Feb 6, 2024 | Alam Kamran | CFO | Sell | 52.5 | -1,288 | -0.15% | ✗ | $1.9K |
| Jan 2, 2024 | Jan 4, 2024 | Alam Kamran | CFO | Neutral | 90.0 | +590,413 | 234.47% | ✗ | - |
| Jan 2, 2024 | Jan 4, 2024 | Nagendran Sukumar | President | Neutral | 90.0 | +863,617 | 2523.28% | ✗ | - |
| Jan 2, 2024 | Jan 4, 2024 | Nolan Sean P. | CEO | Neutral | 90.0 | +1,184,688 | 77.09% | ✗ | - |
| Dec 14, 2023 | Dec 18, 2023 | Alam Kamran | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 14, 2023 | Dec 18, 2023 | Nagendran Sukumar | President | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 14, 2023 | Dec 18, 2023 | Nolan Sean P. | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 17, 2023 | Nov 20, 2023 | Manning Paul B | 10% Owner | Buy | 72.5 | +100,000 | 0.61% | ✗ | $163K |
| Nov 1, 2023 | Nov 3, 2023 | Long Alison S | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 3, 2023 | Long Alison S | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Aug 24, 2023 | Aug 25, 2023 | Alam Kamran | CFO | Sell | 25.0 | -33,000 | -11.34% | ✓ | $76.9K |
| Aug 16, 2023 | Aug 16, 2023 | Manning Paul B | 10% Owner | Buy | 100.0 | +16,466,667 | 100.00% | ✗ | $14.8M |
| Aug 16, 2023 | Aug 16, 2023 | Stalfort John A III | Director | Buy | 97.5 | +827,778 | 74.85% | ✗ | $700K |
| Aug 16, 2023 | Aug 16, 2023 | Nolan Sean P. | CEO | Buy | 97.5 | +444,444 | 40.69% | ✗ | $400K |
| Aug 16, 2023 | Aug 16, 2023 | Donenberg Phillip B. | Director | Buy | 95.0 | +111,111 | 3703.70% | ✗ | $100K |
| Jul 12, 2023 | Jul 14, 2023 | Session R.A. II | 10% Owner | Sell | 32.5 | -85,872 | -0.93% | ✗ | $60.8K |
| Jun 22, 2023 | Jun 26, 2023 | Sepp-Lorenzino Laura | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 22, 2023 | Jun 26, 2023 | Reape Kathleen | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 22, 2023 | Jun 26, 2023 | Donenberg Phillip B. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 22, 2023 | Jun 26, 2023 | Stalfort John A III | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 26, 2023 | Stalfort John A III | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 22, 2023 | Jun 26, 2023 | Session R.A. II | 10% Owner | Sell | 43.8 | -28,608 | -0.31% | ✗ | $20.1K |
| Jun 20, 2023 | Jun 22, 2023 | Session R.A. II | 10% Owner | Sell | 20.0 | -434,615 | -4.48% | ✗ | $307.8K |
| May 31, 2023 | Jun 2, 2023 | Alam Kamran | CFO | Neutral | 77.5 | +6,230 | 2.19% | ✗ | - |
| May 16, 2023 | May 18, 2023 | Nagendran Sukumar | President | Buy | 90.0 | +5,000 | 17.11% | ✗ | $3.4K |
| Mar 6, 2023 | Mar 8, 2023 | Session R.A. II | 10% Owner | Neutral | 82.5 | +251,296 | 2.66% | ✗ | - |
| Feb 2, 2023 | Feb 6, 2023 | Alam Kamran | CFO | Neutral | 85.0 | +18,691 | 7.02% | ✗ | - |
| Dec 30, 2022 | Jan 4, 2023 | Nolan Sean P. | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 30, 2022 | Jan 4, 2023 | Nagendran Sukumar | President | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 10, 2022 | Dec 23, 2022 | Session R.A. II | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 31, 2022 | Nov 2, 2022 | Manning Paul B | Director | Buy | 100.0 | +1,500,000 | 27.52% | ✗ | $3M |
| Oct 31, 2022 | Audentes Therapeutics, Inc. | 10% Owner | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Aug 23, 2022 | Aug 24, 2022 | Alam Kamran | CFO | Sell | 48.8 | -3,325 | -1.23% | ✓ | $11.5K |
| Aug 18, 2022 | Aug 22, 2022 | Alam Kamran | CFO | Sell | 28.8 | -28,675 | -9.62% | ✓ | $106K |
| Jul 5, 2022 | Jul 7, 2022 | PRASAD SUYASH | CMO and Head of R&D | Sell | 45.0 | -12,861 | -2.37% | ✓ | $47.6K |
| Jun 29, 2022 | Jul 1, 2022 | PRASAD SUYASH | CMO and Head of R&D | Sell | 28.8 | -50,139 | -8.45% | ✓ | $183.1K |
| Jun 17, 2022 | Jun 22, 2022 | Sepp-Lorenzino Laura | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2022 | Jun 22, 2022 | Donenberg Phillip B. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2022 | Jun 22, 2022 | Nagendran Sukumar | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2022 | Jun 22, 2022 | Nolan Sean P. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2022 | Jun 22, 2022 | Reape Kathleen | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2022 | Jun 22, 2022 | Manning Paul B | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Apr 6, 2022 | Apr 8, 2022 | Alam Kamran | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Apr 6, 2022 | Apr 8, 2022 | PRASAD SUYASH | CMO and Head of R&D | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 23, 2022 | Feb 25, 2022 | PRASAD SUYASH | CMO and Head of R&D | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 23, 2022 | Feb 25, 2022 | Alam Kamran | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 23, 2022 | Feb 25, 2022 | Session R.A. II | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 2, 2022 | Feb 4, 2022 | Manning Paul B | Director | Buy | 92.5 | +201,602 | 4.89% | ✗ | $1.6M |
| Feb 2, 2022 | Feb 3, 2022 | Nagendran Sukumar | Director | Buy | 95.0 | +10,000 | 52.01% | ✗ | $80.1K |
| Feb 2, 2022 | Feb 3, 2022 | Donenberg Phillip B. | Director | Buy | 91.3 | +3,000 | 100.00% | ✗ | $23.3K |
| Nov 23, 2021 | Dec 8, 2021 | Session R.A. II | CEO | Buy | 67.5 | +42,518 | 0.45% | ✗ | $529.1K |
| Nov 24, 2021 | Nov 29, 2021 | Manning Paul B | Director | Buy | 48.8 | +2,202 | 0.04% | ✗ | $29K |
| Nov 23, 2021 | Nov 24, 2021 | Manning Paul B | Director | Buy | 67.5 | +20,000 | 0.38% | ✗ | $250.8K |
| Aug 18, 2021 | Aug 20, 2021 | Alam Kamran | CFO | Sell | 26.3 | -33,000 | -9.97% | ✓ | $557K |
| Jun 29, 2021 | Jul 1, 2021 | PRASAD SUYASH | CMO and Head of R&D | Sell | 20.0 | -79,000 | -11.75% | ✓ | $1.8M |
| Jun 17, 2021 | Jun 21, 2021 | Donenberg Phillip B. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2021 | Jun 21, 2021 | Nagendran Sukumar | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2021 | Jun 21, 2021 | Nolan Sean P. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2021 | Jun 21, 2021 | Reape Kathleen | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2021 | Jun 21, 2021 | Sepp-Lorenzino Laura | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2021 | Jun 21, 2021 | Manning Paul B | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 20, 2021 | May 24, 2021 | Nolan Sean P. | Director | Buy | 56.3 | +1,170 | 0.11% | ✗ | $26.1K |
| May 14, 2021 | May 17, 2021 | Manning Paul B | Director | Buy | 67.5 | +12,000 | 0.23% | ✗ | $251.8K |
| Dec 31, 2020 | Feb 16, 2021 | Manning Paul B | Director | Neutral | 27.5 | -80,000 | -2.44% | ✗ | - |
| Jan 19, 2021 | Jan 20, 2021 | Session R.A. II | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 19, 2021 | Jan 20, 2021 | PRASAD SUYASH | CMO and Head of R&D | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 19, 2021 | Jan 20, 2021 | Alam Kamran | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 23, 2020 | Nov 24, 2020 | Sepp-Lorenzino Laura | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 23, 2020 | Nov 24, 2020 | Reape Kathleen | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 24, 2020 | Sepp-Lorenzino Laura | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Nov 24, 2020 | Reape Kathleen | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Sep 28, 2020 | Sep 30, 2020 | PRASAD SUYASH | CMO and Head of R&D | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 28, 2020 | Sep 30, 2020 | Nolan Sean P. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 28, 2020 | Sep 30, 2020 | Nagendran Sukumar | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |