EBS insider plans Rule 144 sale of 104,695 common shares

EBS has filed a notice under Rule 144 for a proposed sale of 104,695 shares of common stock, with an aggregate market value of $1,336,462.98.

Rhea-AI Filing Summary

EBS has filed a notice under Rule 144 for a proposed sale of 104,695 shares of common stock, with an aggregate market value of $1,336,462.98. These shares are to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services on the NYSE, with an approximate sale date of 12/22/2025. The issuer had 52,519,964 shares of common stock outstanding, providing context for the size of this planned sale. The securities being sold were originally acquired as restricted stock on 05/18/2016 and as exercised shares on 05/10/2021, both from the issuer.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many EBS shares are planned to be sold under this Rule 144 notice?

The notice covers the planned sale of 104,695 shares of common stock with an aggregate market value of $1,336,462.98.

On which exchange and around what date will the EBS shares be sold?

The shares are expected to be sold on the NYSE with an approximate sale date of 12/22/2025.

Who is the broker handling the planned EBS share sale?

The planned sale will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004.

How many EBS shares were outstanding at the time of this filing?

The issuer had 52,519,964 shares of common stock outstanding, which provides context for the relative size of the 104,695-share planned sale.

How were the EBS shares being sold originally acquired?

The securities consist of restricted stock acquired on 05/18/2016 in the amount of 94,390 shares and exercised shares acquired on 05/10/2021 in the amount of 10,305 shares, both from the issuer.

What does the signer of the EBS Rule 144 notice represent about company information?

By signing, the person for whose account the securities are to be sold represents that they do not know any material adverse information about the issuer's current or prospective operations that has not been publicly disclosed.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 12/22/2025 - 06:22 PM Learn about SEC filing dates

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	0001193522
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	LOUIS W SULLIVAN
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	104695	1336462.98	52519964	12/22/2025	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	05/18/2016	Restricted Stock	Issuer			94390	05/18/2016	Not Applicable
Common	05/10/2021	Exercised Shares	Issuer			10305	05/10/2021	Cash

* 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

Nothing to Report

144: Remarks and Signature

Remarks	The securities to be sold were acquired upon the vesting of restricted stock during the period of 5/18/2016 through 5/25/2025
Date of Notice	12/22/2025
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/ Louis W. Sullivan
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)