OMER holder plans sale of 30,000 shares

A holder of OMER common stock has filed a notice of proposed sale of 30,000 shares under Rule 144.

Accepted by SEC EDGAR 01/13/2026 - 04:31 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

A holder of OMER common stock has filed a notice of proposed sale of 30,000 shares under Rule 144. The shares are to be sold through Morgan Stanley Smith Barney LLC on NASDAQ, with an indicated aggregate market value of 369,315.00, and there were 70,900,459 shares outstanding at the time of the notice.

The 30,000 shares to be sold were acquired on 01/13/2026 by exercising stock options under a registered plan, paid for in cash on the same date. The filing also shows that David J Borges sold an additional 30,000 common shares on 01/12/2026 for gross proceeds of 381,600.00 during the prior three months.

FAQ

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

What does the OMER Rule 144 filing report about share sales?

The notice reports a planned sale of 30,000 shares of OMER common stock on NASDAQ, with an indicated aggregate market value of 369,315.00.

How were the 30,000 OMER shares being sold under Rule 144 acquired?

The 30,000 shares were acquired on 01/13/2026 through an exercise of options under a registered plan, paid for in cash on the same date.

How many OMER shares were outstanding at the time of the Rule 144 notice?

The filing states that 70,900,459 shares of common stock were outstanding when the notice was prepared.

Were there other recent OMER share sales by the same seller?

Yes. The filing lists David J Borges as having sold 30,000 common shares on 01/12/2026 for gross proceeds of 381,600.00 during the prior three months.

Which broker is handling the planned OMER Rule 144 stock sale?

The planned sale is to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services at 1 New York Plaza, New York, NY 10004.

On which exchange are the OMER shares in this Rule 144 filing listed?

The Rule 144 notice identifies NASDAQ as the securities exchange where the OMER common shares are traded.

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	369315.00	70900459	01/13/2026	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	01/13/2026	Exercise of options under a registered plan	Issuer			30000	01/13/2026	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
DAVID J BORGES 201 Elliott Avenue West Seattle WA 98119	Common	01/12/2026	30000	381600.00

144: Remarks and Signature

Remarks
Date of Notice	01/13/2026
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)