Coleen Glessner

Companies

• Emergent BioSolutionsEVP, Quality & Ethics, and CPL Mar 25, 2022 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

• Emergent BioSolutions EBS202,201 shares²$1.3M at $6.46Jun 8, 2026

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

Recent filings

• Jun 8, 2026Shares withheld for tax 2,018 shares at $8.00 of Emergent BioSolutions²
• Apr 29, 2026Granted 100,111 shares of Emergent BioSolutions³
• Mar 5, 2026Shares withheld for tax 8,199 shares at $8.44 of Emergent BioSolutions⁴
• Mar 1, 2026Shares withheld for tax 313 shares at $8.15 of Emergent BioSolutions⁵
• Feb 6, 2026Shares withheld for tax 2,852 shares at $10.92 of Emergent BioSolutions⁶
• Feb 6, 2026Returned to company 28,847 shares at $10.92 of Emergent BioSolutions⁶
• Oct 7, 2025Sold 30,608 shares at $10.00 of Emergent BioSolutions⁷
• Jun 8, 2025Shares withheld for tax 1,249 shares at $6.63 of Emergent BioSolutions⁸
• Apr 7, 2025Shares withheld for tax 480 shares at $4.44 of Emergent BioSolutions⁹
• Mar 6, 2025Granted 62,500 shares of Emergent BioSolutions¹⁰
• Mar 1, 2025Shares withheld for tax 313 shares at $7.48 of Emergent BioSolutions¹¹
• Feb 12, 2025Returned to company 24,078 shares of Emergent BioSolutions¹¹
• Feb 12, 2025Returned to company 5,913 shares of Emergent BioSolutions¹¹
• Dec 8, 2024Shares withheld for tax 18,674 shares at $9.01 of Emergent BioSolutions¹²
• Jun 8, 2024Shares withheld for tax 1,249 shares at $6.19 of Emergent BioSolutions¹³
• Apr 7, 2024Shares withheld for tax 585 shares at $2.29 of Emergent BioSolutions¹⁴
• Mar 1, 2024Shares withheld for tax 381 shares at $3.39 of Emergent BioSolutions¹⁵
• Jun 9, 2023Granted 30,770 shares of Emergent BioSolutions¹⁶
• Jun 9, 2023Granted 15,385 shares of Emergent BioSolutions¹⁶
• Apr 7, 2023Shares withheld for tax 480 shares of Emergent BioSolutions¹⁷
• Mar 2, 2023Granted 7,692 shares of Emergent BioSolutions¹⁸
• Mar 2, 2023Granted 3,846 shares of Emergent BioSolutions¹⁸
• Dec 9, 2022Granted 72,232 shares of Emergent BioSolutions¹⁹
• Dec 9, 2022Granted 24,078 shares of Emergent BioSolutions¹⁹
• Apr 8, 2022Granted 5,913 shares of Emergent BioSolutions²⁰