Home›Stocks›CIEN

CIEN — structural market context

Ciena Corporation

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.

CIEN short interest & days to cover

SHARES SHORT
3.7M
% OF FLOAT
—
DAYS TO COVER
1.6
CHANGE VS PRIOR
-7.1%

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 (19d ago)

CIEN fails-to-deliver (FTD)

Settlement dateFailed sharesPrice
2026-07-21 · 29d418$378.77
2026-07-17 · 33d1K$388.81
2026-07-16 · 34d59$418.46

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

CIEN insider buying and selling (Form 4)

Last 12 months, open-market only: 0 purchases · 3 sales

InsiderTypeSharesValueFiled
Rothenstein David M · officer: SVP and Chief Strategy OfficerSell (S)3K$1.1M2026-08-18
SMITH GARY B · director, officer: President, CEOSell (S)3K$1.3M2026-08-18
Graff Marc D. · officer: SVP & Chief Financial OfficerSell (S)5K$2.2M2026-08-18

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

CIEN analyst ratings — with each firm's measured accuracy

FirmActionRatingFirm 5d hit rate*Published
Northland Securitiesprice_target—n<302026-08-19
Cowen & Co.holdBuyn<302026-08-18

*Rating actions from public feeds. Where shown, the firm's 5-day hit rate is our measured backtest (firms with >=30 graded calls); a historical hit rate describes past calls, it does not grade this one.

Frequently asked questions

Are insiders buying CIEN?
In the last 12 months of SEC Form 4 filings, CIEN recorded 0 open-market insider purchases and 3 open-market sales (codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.
What do analysts say about CIEN?
The most recent action: Northland Securities price_target on 2026-08-19. We show each firm's measured record next to its ratings; a historical hit rate describes past calls and does not grade this one.
Is this page telling me to buy or sell CIEN?
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.
All covered stocksShort Interest & FTD trackerInsider Buying trackerAnalyst Accuracy trackerThe platform

This is the teaser.

Latest rows shown. Full history, market-wide screens, cluster detection and the context journal live in the dashboard.

Start free →View plans →

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