Skip to main content
Signal8
Launch Terminal
Glessner Coleen profile photo

Coleen Glessner

CIK: 0001919170

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (6.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (20.0%)

Compensation grants

Other (G, F, J, C, D, …)11 (73.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

Emergent BioSolutions Inc. logo
EBS

Emergent BioSolutions Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (15 total)

  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Jun 8, 2026
    Tax Payment(F)
    Direct
    2K shares at avg. $8.00$16K
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Apr 29, 2026
    Award(A)
    Direct
    100.1K shares-
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Mar 5, 2026
    Tax Payment(F)
    Direct
    8.2K shares at avg. $8.44$69K
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Mar 3, 2026
    Award(A)

    Employee Stock Option (Right to buy)

    Direct
    44.8K shares-
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Mar 1, 2026
    Tax Payment(F)
    Direct
    313 shares at avg. $8.15$3K
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Feb 6, 2026
    Disposition(D)
    Direct
    28.8K shares at avg. $10.92$315K
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Feb 6, 2026
    Tax Payment(F)
    Direct
    2.9K shares at avg. $10.92$31K
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Oct 7, 2025
    Sale(S)
    Direct
    30.6K shares at avg. $10.00$306K
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Jun 8, 2025
    Tax Payment(F)
    Direct
    1.2K shares at avg. $6.63$8K
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Apr 7, 2025
    Tax Payment(F)
    Direct
    480 shares at avg. $4.44$2K
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Mar 6, 2025
    Award(A)
    Direct
    62.5K shares-
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Mar 1, 2025
    Tax Payment(F)
    Direct
    313 shares at avg. $7.48$2K
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Feb 12, 2025
    Disposition(D)
    Direct
    24.1K shares-
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Feb 12, 2025
    Disposition(D)
    Direct
    5.9K shares-
  • Emergent BioSolutions Inc. logo
    EBS

    Emergent BioSolutions Inc.

    Dec 8, 2024
    Tax Payment(F)
    Direct
    18.7K shares at avg. $9.01$168K

1-15 of 15

About Glessner Coleen

Glessner Coleen (SEC CIK 0001919170) files insider reports with the SEC as EVP, Quality & Ethics, and CPL of Emergent BioSolutions Inc. (EBS).

Signal8 holds 11 ownership filings by Glessner Coleen, all Form 4s, filed between Dec 10, 2024 and Jun 10, 2026. Those filings report 15 transactions, from Dec 8, 2024 to Jun 8, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Glessner Coleen's filings is in GAITHERSBURG, MD.

Recent filings by Glessner Coleen

  • Jun 8, 2026: Tax withholding of EBS shares (Form 4, code F).
  • Apr 29, 2026: Grant or award of EBS shares (Form 4, code A).
  • Mar 5, 2026: Tax withholding of EBS shares (Form 4, code F).
  • Mar 3, 2026: Grant or award of EBS derivative securities (Form 4, code A).
  • Mar 1, 2026: Tax withholding of EBS shares (Form 4, code F).

Other insiders filing for Emergent BioSolutions Inc. (EBS)

How to read Form 4 transaction codes