OMER holder plans Rule 144 sale of 30,000 shares

A shareholder of OMER has filed a notice of proposed sales of common stock under Rule 144.

Accepted by SEC EDGAR 01/12/2026 - 04:32 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

A shareholder of OMER has filed a notice of proposed sales of common stock under Rule 144. The filing indicates an intention to sell 30,000 common shares through Morgan Stanley Smith Barney LLC on or about 01/12/2026 on the NASDAQ, with an indicated aggregate market value of $381,600.00. The shares relate to prior open market purchases of 10,000 shares on 05/15/2022 and 20,000 shares on 11/14/2023, both paid in cash. The document notes that the person signing represents they are not aware of undisclosed material adverse information about the issuer.

FAQ

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

How many OMER shares are proposed to be sold under this Rule 144 notice?

The notice covers a proposed sale of 30,000 shares of common stock of OMER.

What is the aggregate market value of the OMER shares in this planned Rule 144 sale?

The filing shows an aggregate market value of $381,600.00 for the 30,000 common shares to be sold.

Through which broker will the OMER shares be sold and on which exchange?

The proposed sales are to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services on the NASDAQ exchange.

When were the OMER shares being sold under this notice originally acquired?

The filing lists 10,000 common shares acquired on 05/15/2022 and 20,000 common shares acquired on 11/14/2023, both as open market purchases paid in cash.

What is the approximate planned sale date for the OMER shares in this Rule 144 filing?

The approximate date of sale disclosed is 01/12/2026.

How many OMER shares are outstanding according to this Rule 144 notice?

The securities information section reports 70,900,459 common shares outstanding for the issuer.

What representation does the selling shareholder make about OMER in this notice?

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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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	0002005787
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	OMEROS CORPORATION
SEC File Number	001-34475
Address of Issuer	201 Elliott Avenue West Seattle WASHINGTON 98119
Phone	206-676-5000
Name of Person for Whose Account the Securities are To Be Sold	DAVID J BORGES
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	Officer

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	30000	381600.00	70900459	01/12/2026	NASDAQ

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	05/15/2022	Open Market Purchase	Issuer			10000	05/15/2022	Cash
Common	11/14/2023	Open Market Purchase	Issuer			20000	11/14/2023	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
Date of Notice	01/12/2026
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/ David Joseph Borges
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)