EBS insider plans Rule 144 sale of 25,748 common shares

An insider of EBS has filed a Rule 144 notice to sell 25,748 common shares.

Accepted by SEC EDGAR 01/07/2026 - 04:27 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

An insider of EBS has filed a Rule 144 notice to sell 25,748 common shares. The shares are to be sold through Morgan Stanley Smith Barney LLC on the NYSE, with an aggregate market value of $360,142.43, and the issuer has 52,519,964 common shares outstanding.

The 25,748 shares were acquired from the issuer on 01/07/2026 via a stock option exercise paid in cash on the same date. The filing also reports that Louis W Sullivan sold 104,695 common shares during the past three months for gross proceeds of $1,336,462.98.

FAQ

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

What does the EBS Rule 144 filing describe?

The filing describes a planned sale of 25,748 EBS common shares under Rule 144, to be executed through Morgan Stanley Smith Barney LLC on the NYSE.

How many EBS shares does Louis W Sullivan plan to sell under this notice?

Louis W Sullivan plans to sell 25,748 common shares of EBS, with an aggregate market value of $360,142.43 as stated in the notice.

How were the EBS shares being sold under Rule 144 acquired?

The 25,748 shares were acquired from the issuer on 01/07/2026 through a stock option exercise, with the purchase price paid in cash on the same date.

What EBS share sales were made by this seller in the past three months?

Over the past three months, Louis W Sullivan sold 104,695 EBS common shares on 12/22/2025, generating gross proceeds of $1,336,462.98.

How many EBS shares are outstanding according to the Rule 144 notice?

The notice reports that there are 52,519,964 EBS common shares outstanding.

Which broker and exchange are involved in the planned EBS share sale?

The planned sale will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services and the shares are listed for trading on the NYSE.

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

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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	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	25748	360142.43	52519964	01/07/2026	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	01/07/2026	Stock Option Exercise	Issuer			25748	01/07/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
LOUIS W SULLIVAN 300 Professional Drive Gaithersburg, MD 20879	Common	12/22/2025	104695	1336462.98

144: Remarks and Signature

Remarks
Date of Notice	01/07/2026
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)