Jane Grogan

Companies

• BiogenHead of Research Oct 12, 2023 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Biogen BIIB4,058 shares²$979.0K at $241.24Feb 6, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Feb 6, 2026Shares withheld for tax 584 shares at $201.18 of Biogen²
• Feb 6, 2026Exercised options 1,873 shares of Biogen²
• Feb 6, 2026Shares withheld for tax 407 shares at $201.18 of Biogen²
• Feb 6, 2026Exercised options 1,385 shares of Biogen²
• Oct 31, 2025Shares withheld for tax 337 shares at $154.27 of Biogen³
• Oct 31, 2025Exercised options 695 shares of Biogen³
• Feb 7, 2025Shares withheld for tax 443 shares at $141.35 of Biogen⁴
• Feb 7, 2025Exercised options 1,385 shares of Biogen⁴
• Nov 1, 2024Shares withheld for tax 204 shares at $173.79 of Biogen⁵
• Nov 1, 2024Exercised options 695 shares of Biogen⁵