Transaction · 0001437749-26-029427

Cancelmo Peter B

Cancelmo Peter B, VP, GC, reported an open-market or private sale at OMEROS CORP involving 25000.000000 shares for an estimated $463540.00. Reported holdings after the transaction were 200.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SVP, GC
OMEROMEROS CORP
Filing timeSep 01
Trade dateAug 31, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$18.79
Pre-filing
1mo ago -37.0%1w ago +2.8%1d ago -1.0%
Returns since
7d +0.0%30d +0.0%90d +0.0%180d +0.0%1y +0.0%

OMER price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
OMER since 2026-09-01Filed 2 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001437749-26-029427
Common Stock
Transaction date
Aug 31, 2026
Filed Sep 01, 2026, 08:41 PM · 1d delay
Shares
25.0k sh
$1.85k per share
Estimated value
-$46.3M
Computed from shares × price
Holdings after
200 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Direct Ownership Large Holdings Reduction Repeat Seller
+10score
Filing-only score

+10

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

VP, General Counsel

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    This transaction was executed in multiple trades at prices ranging from $18.55 to $18.77. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to…

  2. F2

    This transaction was executed in multiple trades at prices ranging from $18.32 to $18.90. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to…

  3. F3

    This option shall vest and become exercisable over 48 equal monthly installments, with a vesting commencement date of April 1, 2023. Installments vest and become exercisable on each monthly anniversar…

Original filing · 0001437749-26-029427
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