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Omeros Corp. planned insider sales

In the last twelve months insiders at Omeros Corp. filed 12 Form 144 notices of planned sales, 188,333 shares worth $3.1 million at the time of filing, from 6 sellers. The latest, filed 23 September 2026: David Borges (officer), 14,927 shares worth $314,213, planned for around 23 September 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
23 September 2026David BorgesOfficer14,927$314,21323 September 202620,000 shares from 22 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
22 September 2026David BorgesOfficer10,000$184,90022 September 2026None on Form 4 yetMorgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
31 August 2026Peter CancelmoOfficer25,000$463,54031 August 202625,000 shares from 31 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Options Under a Registered PlanForm 144
28 August 2026Peter CancelmoOfficer25,000$466,12828 August 202625,000 shares from 28 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Options Under a Registered PlanForm 144
27 August 2026Arnold HanishDirector10,000$189,46227 August 202615,000 shares from 26 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Options Under a Registered PlanForm 144
26 August 2026Arnold HanishDirector5,000$94,13226 August 2026None on Form 4 yetMorgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Options Under a Registered PlanForm 144
21 August 2026David BorgesOfficer10,906$203,17921 August 202610,906 shares from 21 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
20 August 2026Thomas CableDirector15,000$276,77220 August 202615,000 shares from 20 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Options Under a Registered PlanForm 144
13 August 2026David BorgesOfficer5,000$68,55013 August 20265,000 shares from 13 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
22 May 2026Thomas CableDirector7,500$89,70022 May 20267,500 shares from 22 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
13 January 2026David J BorgesOfficer30,000$369,31513 January 202660,000 shares from 12 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of options under a registered planForm 144
12 January 2026David J BorgesOfficer30,000$381,60012 January 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesOpen Market PurchaseForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?