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OMER — structural market context

Omeros Corporation Common Stoc

Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.

OMER short interest & days to cover

SHARES SHORT

15.4M

% OF FLOAT

—

DAYS TO COVER

9.9

CHANGE VS PRIOR

+2.2%

FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-07-31 (38d ago)

OMER fails-to-deliver (FTD)

Settlement date	Failed shares	Price
2026-08-14 · 24d	129K	$17.35
2026-08-13 · 25d	22K	$13.71
2026-08-10 · 28d	6K	$13.25

SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.

OMER insider buying and selling (Form 4)

Last 12 months, open-market only: 0 purchases · 9 sales

Insider	Type	Shares	Value	Filed
Cancelmo Peter B · officer: VP, General Counsel	Sell (S)	25K	$466K	2026-09-01
Cancelmo Peter B · officer: VP, General Counsel	Sell (S)	25K	$464K	2026-09-01
HANISH ARNOLD C · director	Sell (S)	5K	$93K	2026-08-28
HANISH ARNOLD C · director	Sell (S)	5K	$94K	2026-08-28
HANISH ARNOLD C · director	Sell (S)	5K	$95K	2026-08-28

SEC Form 4 filings, open-market purchases and sales only (codes P and S); grants and option exercises excluded. Attributed public records.

Frequently asked questions

Are insiders buying OMER?

In the last 12 months of SEC Form 4 filings, OMER recorded 0 open-market insider purchases and 9 open-market sales (codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.

Is this page telling me to buy or sell OMER?

No. Everything on this page is descriptive, structural market context from public data, shown with its as-of dates. TradeAI News does not issue directional recommendations, price predictions, or buy/sell advice — for any ticker.

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Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.