CANCELMO PETER B

PrivateCIK: 1778968
Location

SEATTLE, WA

Senior insider sale

See Remarks at OMEROS CORP — senior position signals high conviction

$929.7K

50K shares

What this filing means

CANCELMO PETER B plans to sell 50K shares of OMEROS CORP valued at approximately $929.7K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderCANCELMO PETER BCIK 1778968
IssuerOMEROS CORPCIK 1285819
Officer· See Remarks
Since Jun 2019
50K
Shares to sell
$929.7K
Approx. market value
25K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Sort

Exercise of Options Under a Registered Plan

Cash

8/31/2026
25K
Total acquired25K
Planned & Completed Dispositions2
Sort

Completed

Completed

Units to sell

25K

Market value

$466.1K

8/28/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

25K

Market value

$463.5K

8/31/2026
Total

Units

50K

Value

$929.7K