STOCK TITAN

Omeros (NASDAQ: OMER) director exercises options and sells 7,500 shares under 10b5-1 plan

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Omeros Corp director Thomas J. Cable executed an options exercise-and-sale transaction involving 7,500 shares of common stock. He exercised stock options to acquire 7,500 shares at $10.84 per share, then sold 7,500 shares in open-market trades at a weighted average price of $11.6052 per share.

The sales were made pursuant to a previously established Rule 10b5-1 trading plan adopted on June 14, 2024, with the trading schedule set at that time. Following these transactions, Cable directly holds 35,067 shares of Omeros common stock. The options exercised were scheduled to expire on June 9, 2026, and the sale trades ranged in price from $11.46 to $11.93 per share.

Positive

  • None.

Negative

  • None.
Insider Cable Thomas J.
Role Director
Sold 7,500 shs ($87K)
Approx. gross sale proceeds $87K
Approx. exercise cost $81K
Approx. pre-tax spread $6K
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) 7,500 $0.00 $0.00
Exercise Common Stock 7,500 $10.84 $81K
Sale Common Stock 7,500 $11.6052 $87K
Holdings After Transaction: Stock Option (Right to Buy) — 0 shares (Direct); Common Stock — 35,067 shares (Direct)
Footnotes (2)
  1. F1. Open market sale pursuant to a previously established Rule 10b5-1 trading plan adopted by the reporting person on June 14, 2024. The trading schedule, including sale periods and the number of shares to be sold, was established at the time of the trading plan's adoption in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. The shares sold were acquired upon the exercise of vested stock options scheduled to expire on June 9, 2026.
  2. F2. This transaction was executed in multiple trades at prices ranging from $11.46 to $11.93. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions referenced in this footnote were effected upon request to the SEC staff, the issuer, or a security holder of the issuer.
Shares sold 7,500 shares Open-market sale on May 22, 2026 at weighted avg price
Sale price $11.6052 per share Weighted average sale price; individual trades $11.46–$11.93
Options exercise price $10.84 per share Exercise of stock options for 7,500 shares
Post-transaction holdings 35,067 shares Common stock directly owned after transactions
Option expiration date June 9, 2026 Original expiration for exercised stock options
Rule 10b5-1 trading plan regulatory
"Open market sale pursuant to a previously established Rule 10b5-1 trading plan adopted by the reporting person on June 14, 2024."
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average sales price financial
"This transaction was executed in multiple trades at prices ranging from $11.46 to $11.93. The price reported above reflects the weighted average sales price."
Stock Option (Right to Buy) financial
"Stock Option (Right to Buy)"
open-market sale financial
"Open market sale pursuant to a previously established Rule 10b5-1 trading plan"
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

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

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FAQ

What insider transaction did OMER director Thomas J. Cable report on this Form 4?

Thomas J. Cable reported an exercise-and-sale transaction involving 7,500 Omeros common shares. He exercised options to acquire 7,500 shares, then sold 7,500 shares the same day in open-market trades under a pre-established Rule 10b5-1 trading plan.

How many OMER shares did Thomas J. Cable sell and at what average price?

Cable sold 7,500 Omeros common shares at a weighted average price of $11.6052 per share. The sale was executed in multiple trades, with individual prices ranging from $11.46 to $11.93 according to the disclosed footnote.

At what price did Thomas J. Cable exercise his OMER stock options?

He exercised stock options covering 7,500 Omeros shares at an exercise price of $10.84 per share. These options were vested and scheduled to expire on June 9, 2026, prompting the derivative exercise reported in the Form 4 filing.

Was Thomas J. Cable’s OMER stock sale made under a Rule 10b5-1 plan?

Yes. The open-market sale was made under a previously established Rule 10b5-1 trading plan adopted on June 14, 2024. The plan set the trading schedule, including sale periods and the number of shares to be sold in advance.

How many OMER shares does Thomas J. Cable own after the reported transactions?

After the reported exercise and sale, Cable directly owns 35,067 Omeros common shares. This post-transaction holding reflects the net result after exercising 7,500 options and selling 7,500 shares in open-market trades on the same date.

What does the Form 4 reveal about remaining OMER stock options for Thomas J. Cable?

The filing shows a stock option for 7,500 shares labeled with zero remaining following the exercise. The exercised option had a $10.84 exercise price and an original expiration date of June 9, 2026, indicating that specific option grant has been fully exercised.
SEC Form 4
FORM 4UNITED 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).
X
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*
Cable Thomas J.

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock05/22/2026M7,500A$10.8442,567D
Common Stock05/22/2026S(1)7,500D$11.6052(2)35,067D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$10.8405/22/2026M7,50006/15/201706/09/2026Common Stock7,500$00D
Explanation of Responses:
1. Open market sale pursuant to a previously established Rule 10b5-1 trading plan adopted by the reporting person on June 14, 2024. The trading schedule, including sale periods and the number of shares to be sold, was established at the time of the trading plan's adoption in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. The shares sold were acquired upon the exercise of vested stock options scheduled to expire on June 9, 2026.
2. This transaction was executed in multiple trades at prices ranging from $11.46 to $11.93. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions referenced in this footnote were effected upon request to the SEC staff, the issuer, or a security holder of the issuer.
/s/ Peter B. Cancelmo, Attorney-in-Fact05/27/2026
** Signature of Reporting PersonDate
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)