
Coleen Glessner
EVP, Quality & Ethics, and CPL · Emergent BioSolutions Inc.
- 2024
- Jun 10, 2026
- 7
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Coleen Glessner files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Donald W. Degolyer - $444K in EBS purchases and sales in the last 12 months
- Sujata Tyagi Dayal - $201K in EBS purchases and sales in the last 12 months
- Kathryn C. Zoon - $144K in EBS purchases and sales in the last 12 months
- Keith Katkin - $128K in EBS purchases and sales in the last 12 months
- Paul Anthony Williams - $79K in EBS purchases and sales in the last 12 months
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Frequently asked questions
Who is Coleen Glessner?
Coleen Glessner is a corporate insider, tracked as EVP, Quality & Ethics, and CPL of Emergent BioSolutions Inc. (EBS). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Coleen Glessner last file a Form 4?
The most recent primary Form 4 on record is dated 10 June 2026, one of 7 filings going back to 2024.
Has Coleen Glessner been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($306K) across all tracked filings.