Emergent BioSolutions Inc. SEC Filing

Emergent BioSolutions (EBS) received a Form 144 notice for a proposed sale of 17,801 common shares, showing an aggregate market value of $187,544.22.

Accepted by SEC EDGAR 11/10/2025 - 04:06 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Emergent BioSolutions (EBS) received a Form 144 notice for a proposed sale of 17,801 common shares, showing an aggregate market value of $187,544.22. The filing lists Morgan Stanley Smith Barney LLC Executive Financial Services as broker and identifies the NYSE as the exchange, with an approximate sale date of 11/10/2025.

The shares were acquired as restricted stock from the issuer on 10/02/2025, in the same amount of 17,801 shares. The notice also reports a prior sale in the last three months by Donald DeGolyer of 7,844 common shares on 08/12/2025 for $67,830.99. Shares outstanding are listed as 52,519,964.

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Securities law analyst

Routine Form 144 for 17,801 EBS shares; neutral signal.

This notice records an affiliate’s intent to sell up to 17,801 common shares under Rule 144, with an aggregate market value of $187,544.22. The broker is Morgan Stanley Smith Barney LLC Executive Financial Services, and the filing cites an approximate sale date of 11/10/2025 on the NYSE.

The shares were acquired as restricted stock on 10/02/2025. The filing also notes a prior sale in the past three months by Donald DeGolyer of 7,844 shares for $67,830.99. Shares outstanding are listed as 52,519,964. These details are administrative and do not, by themselves, alter the investment thesis.

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001583098
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	EMERGENT BIOSOLUTIONS INC.
SEC File Number	001-33137
Address of Issuer	300 Professional Drive Gaithersburg, MARYLAND 20879
Phone	(240) 631-3200
Name of Person for Whose Account the Securities are To Be Sold	DONALD DEGOLYER
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	17801	187544.22	52519964	11/10/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	10/02/2025	Restricted Stock	Issuer			17801	10/02/2025	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
DONALD DEGOLYER 300 Professional Drive Gaithersburg, MD 20879	Common	08/12/2025	7844	67830.99

144: Remarks and Signature

Remarks
Date of Notice	11/10/2025
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/11/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Donald DeGolyer
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)