SEC Insider Transactions from Glessner Coleen.

Last updated: 2026-03-14 11:56 UTC | Total transactions: 18

Glessner Coleen, EVP of Quality and Ethics and CPL at Emergent BioSolutions Inc. ($EBS), sold shares on the open market once in the last 365 days for a total of $306,000. Her most recent sale occurred on October 7, 2025. These sales rank 7,501st among 11,678 individual insiders, below the average sale amount of $8.6 million across 6 transactions. She made no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 3, 2026 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL A Employee Stock Option (Right to buy) 44834 $0.00 294,447.0000 56,700,000 17.96% 0.08%
March 5, 2026 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL F Common Stock 8199 $8.44 104,108.0000 56,700,000 7.30% 0.01%
March 1, 2026 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL F Common Stock 313 $8.15 112,307.0000 56,700,000 0.28% 0.00%
Feb. 6, 2026 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL F Common Stock 2852 $10.92 112,620.0000 56,700,000 2.47% 0.01%
Feb. 6, 2026 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL D Common Stock 28847 $10.92 115,472.0000 56,700,000 19.99% 0.05%
Oct. 7, 2025 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL S Common Stock 30608 $10.00 144,319.0000 56,700,000 17.50% 0.05%
June 8, 2025 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL F Common Stock 1249 $6.63 174,927.0000 53,000,000 0.71% 0.00%
April 7, 2025 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL F Common Stock 480 $4.44 176,176.0000 53,000,000 0.27% 0.00%
March 6, 2025 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL A Employee Stock Options (Right to Buy) 62500 $0.00 249,613.0000 53,000,000 33.40% 0.12%
March 6, 2025 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL A Common Stock 62500 $0.00 176,656.0000 53,000,000 54.75% 0.12%
March 1, 2025 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL F Common Stock 313 $7.48 114,156.0000 53,000,000 0.27% 0.00%
Feb. 12, 2025 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL D Common Stock 24078 $0.00 114,469.0000 53,000,000 17.38% 0.05%
Feb. 12, 2025 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL D Common Stock 5913 $0.00 138,547.0000 53,000,000 4.09% 0.01%
Dec. 8, 2024 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL F Common Stock 18674 $9.01 144,460.0000 55,600,000 11.45% 0.03%
June 8, 2024 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL F Common Stock 1249 $6.19 163,134.0000 51,200,000 0.76% 0.00%
April 7, 2024 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL F Common Stock 585 $2.29 164,383.0000 51,200,000 0.35% 0.00%
March 13, 2024 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL A Employee Stock Options (Right to Buy) 125000 $0.00 187,113.0000 51,200,000 201.25% 0.24%
March 1, 2024 Emergent BioSolutions Inc. $EBS Glessner Coleen EVP, Quality & Ethics, and CPL F Common Stock 381 $3.39 164,968.0000 51,200,000 0.23% 0.00%