2025Q4
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| GENMAB A/S | 10% Owner | 71,463,077 | Dec 18, 2025 |
| Incyte Corp | — | 3,200,000 | Jan 23, 2017 |
| Mehra Anand | — | 1,961,039 | Jan 2, 2020 |
| Bvf Partners L P/Il | 10% Owner | 232,747 | Oct 8, 2021 |
| Biotechnology Value Fund L P | Other | 232,747 | Oct 8, 2021 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Dec 26, 2025 | Dec 30, 2025 | GENMAB A/S | 10% Owner | Sell | 35.0 | -74,811,415 | -33.77% | ✗ | $7.3B |
| Dec 22, 2025 | Dec 29, 2025 | GENMAB A/S | 10% Owner | Buy | 90.0 | +815,444 | 1.13% | ✗ | $79.1M |
| Dec 18, 2025 | Dec 22, 2025 | GENMAB A/S | 10% Owner | Buy | 72.5 | +278,441 | 0.39% | ✗ | $27M |
| Dec 16, 2025 | Dec 18, 2025 | GENMAB A/S | 10% Owner | Buy | 72.5 | +271,547 | 0.38% | ✗ | $26.3M |
| Dec 18, 2025 | GENMAB A/S | 10% Owner | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Dec 12, 2025 | Dec 12, 2025 | PERRY GREGORY D | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 12, 2025 | Dec 12, 2025 | Mehra Anand | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 12, 2025 | Dec 12, 2025 | Kanavy Len | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 12, 2025 | Dec 12, 2025 | Haddock Jason | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 12, 2025 | Dec 12, 2025 | Silverman Peter B. | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 12, 2025 | Dec 12, 2025 | Zohren Fabian | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 12, 2025 | Dec 12, 2025 | Lundberg Sven Ante | CEO | Sell | 36.3 | -83,435 | -100.00% | ✗ | $8.1M |
| Dec 12, 2025 | Dec 12, 2025 | Pucci Paolo | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 12, 2025 | Dec 12, 2025 | Shuman Harry | VP Controller, PAO | Sell | 37.5 | -11,002 | -100.00% | ✗ | $1.1M |
| Dec 12, 2025 | Dec 12, 2025 | Sandor Victor | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 12, 2025 | Dec 12, 2025 | Iwicki Mark T | Director | Sell | 36.3 | -73,576 | -100.00% | ✗ | $7.1M |
| Dec 12, 2025 | Dec 12, 2025 | GOWEN MAXINE | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 26, 2025 | Dec 10, 2025 | Shuman Harry | VP Controller, PAO | Sell | 22.5 | -1,700 | -13.38% | ✗ | $163.4K |
| Nov 25, 2025 | Nov 28, 2025 | Lundberg Sven Ante | CEO | Neutral | 27.5 | -115,305 | -58.02% | ✗ | - |
| Nov 25, 2025 | Nov 28, 2025 | Shuman Harry | VP Controller, PAO | Sell | 20.0 | -8,300 | -43.00% | ✗ | $796.1K |
| Jul 17, 2025 | Jul 18, 2025 | Silverman Peter B. | COO | Sell | 5.0 | -25,000 | -100.00% | ✓ | $1.5M |
| Jul 9, 2025 | Jul 11, 2025 | Silverman Peter B. | COO | Sell | 5.0 | -23,500 | -100.00% | ✓ | $1.3M |
| Jun 20, 2025 | Jun 24, 2025 | Silverman Peter B. | COO | Sell | 5.0 | -34,000 | -100.00% | ✓ | $1.8M |
| May 22, 2025 | May 27, 2025 | Kanavy Len | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 22, 2025 | May 27, 2025 | Pucci Paolo | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 22, 2025 | May 27, 2025 | Sandor Victor | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 22, 2025 | May 27, 2025 | Haddock Jason | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 22, 2025 | May 27, 2025 | GOWEN MAXINE | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 22, 2025 | May 27, 2025 | Mehra Anand | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 22, 2025 | May 27, 2025 | Iwicki Mark T | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Apr 17, 2025 | Apr 21, 2025 | Lundberg Sven Ante | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 21, 2025 | Mar 25, 2025 | Shuman Harry | VP Controller, PAO | Sell | 22.5 | -4,000 | -26.66% | ✗ | $194K |
| Jan 1, 2025 | Mar 25, 2025 | Shuman Harry | VP Controller, PAO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 19, 2025 | Feb 21, 2025 | Lundberg Sven Ante | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 13, 2025 | Feb 18, 2025 | Lundberg Sven Ante | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 29, 2025 | Jan 31, 2025 | Shuman Harry | VP Controller, PAO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 29, 2025 | Jan 31, 2025 | Silverman Peter B. | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 29, 2025 | Jan 31, 2025 | Lundberg Sven Ante | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 29, 2025 | Jan 31, 2025 | PERRY GREGORY D | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 29, 2025 | Jan 31, 2025 | Zohren Fabian | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Aug 20, 2024 | Aug 22, 2024 | Shuman Harry | VP Controller, PAO | Sell | 20.0 | -5,000 | -26.31% | ✗ | $270K |
| Jul 1, 2024 | Jul 3, 2024 | Zohren Fabian | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 3, 2024 | Zohren Fabian | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 27, 2024 | Jun 28, 2024 | Silverman Peter B. | COO | Sell | 7.5 | -10,000 | -100.00% | ✓ | $600K |
| Feb 14, 2022 | Jun 26, 2024 | Shuman Harry | VP Controller, PAO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2024 | Jun 20, 2024 | Silverman Peter B. | COO | Sell | 5.0 | -62,000 | -100.00% | ✓ | $3.5M |
| Jun 10, 2024 | Jun 12, 2024 | Shuman Harry | VP Controller, PAO | Sell | 20.0 | -8,300 | -37.21% | ✗ | $475.5K |
| Jun 4, 2024 | Jun 6, 2024 | Shuman Harry | VP Controller, PAO | Sell | 20.0 | -6,000 | -29.99% | ✗ | $317.4K |
| May 7, 2024 | May 9, 2024 | Haddock Jason | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 7, 2024 | May 9, 2024 | Pucci Paolo | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 7, 2024 | May 9, 2024 | Shuman Harry | VP Controller, PAO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 9, 2024 | Haddock Jason | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| May 7, 2024 | May 9, 2024 | Lundberg Sven Ante | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 7, 2024 | May 9, 2024 | Liu Hui | EVP, CBO & Head of Merus US | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 7, 2024 | May 9, 2024 | Joe Andrew | SVP, CMO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 7, 2024 | May 9, 2024 | Sandor Victor | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 7, 2024 | May 9, 2024 | PERRY GREGORY D | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 7, 2024 | May 9, 2024 | Kanavy Len | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 7, 2024 | May 9, 2024 | Mehra Anand | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 7, 2024 | May 9, 2024 | Iwicki Mark T | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 7, 2024 | May 9, 2024 | Silverman Peter B. | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 7, 2024 | May 9, 2024 | GOWEN MAXINE | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 19, 2023 | Dec 20, 2023 | Shuman Harry | VP Controller, PAO | Sell | 27.5 | -115 | -1.62% | ✗ | $3.1K |
| Dec 15, 2023 | Dec 18, 2023 | Silverman Peter B. | COO | Sell | 20.0 | -22,386 | -100.00% | ✗ | $559.7K |
| Dec 8, 2023 | Dec 12, 2023 | Shuman Harry | VP Controller, PAO | Sell | 27.5 | -250 | -3.39% | ✗ | $6.1K |
| Dec 1, 2023 | Dec 4, 2023 | Shuman Harry | VP Controller, PAO | Sell | 36.3 | -575 | -7.24% | ✓ | $14.1K |
| Oct 10, 2023 | Oct 11, 2023 | Liu Hui | EVP, CBO & Head of Merus US | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 10, 2023 | Oct 11, 2023 | Shuman Harry | VP Controller, PAO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 14, 2023 | Jun 15, 2023 | PERRY GREGORY D | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 8, 2023 | Jun 12, 2023 | Pucci Paolo | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 8, 2023 | Jun 12, 2023 | Iwicki Mark T | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 8, 2023 | Jun 12, 2023 | GOWEN MAXINE | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 8, 2023 | Jun 12, 2023 | PERRY GREGORY D | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 8, 2023 | Jun 12, 2023 | Mehra Anand | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 8, 2023 | Jun 12, 2023 | Sandor Victor | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 8, 2023 | Jun 12, 2023 | Kanavy Len | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 1, 2023 | Jun 1, 2023 | Shuman Harry | VP Controller, PAO | Sell | 32.5 | -575 | -9.56% | ✓ | $12.4K |
| Apr 14, 2023 | Apr 17, 2023 | Iwicki Mark T | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Apr 6, 2023 | Apr 10, 2023 | Liu Hui | EVP, CBO & Head of Merus US | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 2, 2023 | Feb 3, 2023 | Shuman Harry | VP Controller, PAO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 2, 2023 | Feb 3, 2023 | Liu Hui | EVP, CBO & Head of Merus US | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 2, 2023 | Feb 3, 2023 | Silverman Peter B. | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 2, 2023 | Feb 3, 2023 | Lundberg Sven Ante | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 2, 2023 | Feb 3, 2023 | Joe Andrew | SVP, CMO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 4, 2023 | Jan 6, 2023 | Silverman Peter B. | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 13, 2022 | Dec 14, 2022 | Shuman Harry | VP Controller, PAO | Sell | 27.5 | -168 | -4.56% | ✗ | $2.3K |
| Dec 1, 2022 | Dec 1, 2022 | Shuman Harry | VP Controller, PAO | Sell | 30.0 | -575 | -13.50% | ✓ | $8.8K |
| Nov 3, 2022 | Nov 3, 2022 | Lundberg Sven Ante | CEO | Buy | 95.0 | +14,706 | 23.21% | ✓ | $211.4K |
| Oct 24, 2022 | Lundberg Sven Ante | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Aug 25, 2022 | Aug 29, 2022 | Shuman Harry | VP Controller, PAO | Sell | 27.5 | -165 | -8.57% | ✗ | $4K |
| Aug 22, 2022 | Aug 23, 2022 | Lundberg Sven Ante | CEO | Buy | 95.0 | +5,826 | 29.07% | ✓ | $133.6K |
| Aug 19, 2022 | Aug 22, 2022 | Lundberg Sven Ante | CEO | Buy | 83.8 | +704 | 3.64% | ✓ | $16.2K |
| Jul 12, 2022 | Jul 13, 2022 | Lundberg Sven Ante | CEO | Buy | 95.0 | +4,340 | 28.93% | ✓ | $99.7K |
| Jun 1, 2022 | Jun 3, 2022 | Shuman Harry | VP Controller, PAO | Sell | 18.8 | -575 | -23.00% | ✓ | $10.5K |
| May 31, 2022 | Jun 2, 2022 | GOWEN MAXINE | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 31, 2022 | Jun 2, 2022 | Kanavy Len | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 31, 2022 | Jun 2, 2022 | Mehra Anand | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 31, 2022 | Jun 2, 2022 | Pucci Paolo | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 31, 2022 | Jun 2, 2022 | Sandor Victor | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 31, 2022 | Jun 2, 2022 | PERRY GREGORY D | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |