Omeros (NASDAQ: OMER) director receives 15,000-share stock option grant

Rhea-AI Filing Summary

Omeros Corporation director Arnold C. Hanish received a grant of stock options covering 15,000 shares of common stock. The options have an exercise price of $10.28 per share and were awarded under the company’s non-employee director compensation policy in connection with the June 18, 2026 annual shareholder meeting.

The options will fully vest and become exercisable on the day before the 2027 annual shareholder meeting, as long as Hanish continues to serve as a director through that date. After this grant, he holds 15,000 stock options directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider HANISH ARNOLD C

Role null

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	15,000	$0.00	--

Holdings After Transaction: Stock Option (Right to Buy) — 15,000 shares (Direct, null)

Footnotes (1)

1. Pursuant to Omeros Corporation's non-employee director compensation policy, on the date of each annual meeting of shareholders, each non-employee director who has served as a director for at least six months and who will continue to serve as a director after the annual meeting is automatically granted an option to purchase 15,000 shares of common stock. This Form 4 reports the annual stock option award granted to the reporting person in conjunction with the annual meeting of shareholders held on June 18, 2026. This option will fully vest and become exercisable on the day before the date of the 2027 annual meeting of the shareholders of Omeros Corporation, provided that the reporting person continues to serve as a director of the company through such date.

Key Figures

Option grant size: 15,000 options Exercise price: $10.28 per share Underlying shares: 15,000 shares +2 more

5 metrics

Option grant size 15,000 options Stock Option (Right to Buy) granted June 18, 2026

Exercise price $10.28 per share Exercise price for the 15,000-share option grant

Underlying shares 15,000 shares Common stock underlying the granted options

Post-grant derivative holdings 15,000 options Total stock options held after this transaction

Option expiration June 17, 2036 Expiration date of the stock option grant

Key Terms

non-employee director compensation policy, Stock Option (Right to Buy, annual stock option award, vest and become exercisable, +1 more

5 terms

non-employee director compensation policy financial

"Pursuant to Omeros Corporation's non-employee director compensation policy, on the date of each annual meeting..."

Stock Option (Right to Buy financial

"security_title": "Stock Option (Right to Buy)""

annual stock option award financial

"This Form 4 reports the annual stock option award granted to the reporting person..."

vest and become exercisable financial

"This option will fully vest and become exercisable on the day before the date of the 2027 annual meeting..."

underlying security financial

"underlying_security_title": "Common Stock""

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HANISH ARNOLD C

(Last) (First) (Middle)

201 ELLIOTT AVENUE WEST

(Street)

SEATTLE WASHINGTON 98119

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
OMEROS CORP [ OMER ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/18/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)(1)	$10.28	06/18/2026		A		15,000		(2)	06/17/2036	Common Stock	15,000	$0	15,000	D

Explanation of Responses:

1. Pursuant to Omeros Corporation's non-employee director compensation policy, on the date of each annual meeting of shareholders, each non-employee director who has served as a director for at least six months and who will continue to serve as a director after the annual meeting is automatically granted an option to purchase 15,000 shares of common stock. This Form 4 reports the annual stock option award granted to the reporting person in conjunction with the annual meeting of shareholders held on June 18, 2026.

2. This option will fully vest and become exercisable on the day before the date of the 2027 annual meeting of the shareholders of Omeros Corporation, provided that the reporting person continues to serve as a director of the company through such date.

	/s/ Peter B. Cancelmo, Attorney-in-Fact	06/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did OMER director Arnold C. Hanish report on this Form 4?

Arnold C. Hanish reported receiving a stock option grant for 15,000 Omeros common shares. The award is part of the company’s non-employee director compensation policy and was granted in connection with the annual shareholder meeting held on June 18, 2026.

How many OMER shares are covered by the new stock options?

The stock option grant to Arnold C. Hanish covers 15,000 shares of Omeros common stock. These options give him the right to buy that number of shares if he chooses to exercise them after they become fully vested and exercisable.

What is the exercise price of Arnold C. Hanish’s OMER stock options?

The exercise price of the stock options granted to Arnold C. Hanish is $10.28 per share. This means he can purchase Omeros common shares at $10.28 each once the options fully vest and he chooses to exercise them.

When do the newly granted OMER stock options vest and become exercisable?

The options will fully vest and become exercisable on the day before the 2027 annual shareholder meeting. Vesting is conditional on Arnold C. Hanish continuing to serve as a director of Omeros Corporation through that date under the stated policy.

Why did Arnold C. Hanish receive this OMER stock option grant?

He received the stock option grant under Omeros Corporation’s non-employee director compensation policy. The policy provides that each eligible non-employee director is automatically granted options to purchase 15,000 shares on the date of each annual shareholder meeting.

What is Arnold C. Hanish’s option position after this OMER transaction?

After this grant, Arnold C. Hanish directly holds 15,000 stock options on Omeros common stock. The Form 4 shows this as his total derivative holdings following the transaction, reflecting only the award reported in this specific filing.