Have insiders been buying CIEN stock?

CIENA CORP (CIEN) insider trading from SEC Form 4 filings. No open-market insider purchases in the last two years; 36 insider sales of $1M or more on record.

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CIEN insider trading

CIENA CORP — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.

Insider buys · 24 mo

Bought · 24 mo

Buys · last 90 days

0 · $0

Most recent buy

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Recent insider filings

Filed	Insider	Type	Shares	Price	Value
2026-09-02	SMITH GARY B President, CEO	Sold	2,952	$362.90	$1.1M
2026-08-18	Rothenstein David M SVP and Chief Strategy Officer	Sold	2,500	$438.10	$1.1M
2026-08-18	Graff Marc D. SVP & Chief Financial Officer	Sold	4,995	$430.72	$2.2M
2026-08-18	SMITH GARY B President, CEO	Sold	2,952	$447.78	$1.3M
2026-08-04	SMITH GARY B President, CEO	Sold	2,952	$379.81	$1.1M
2026-07-17	SMITH GARY B President, CEO	Sold	2,952	$421.10	$1.2M
2026-07-17	Rothenstein David M SVP and Chief Strategy Officer	Sold	2,500	$420.91	$1.1M
2026-07-06	SMITH GARY B President, CEO	Sold	2,952	$468.83	$1.4M
2026-07-06	Phipps Jason SVP Global Sales and Marketing	Sold	2,629	$466.20	$1.2M
2026-06-17	SMITH GARY B President, CEO	Sold	2,952	$457.02	$1.3M
2026-06-17	Rothenstein David M SVP and Chief Strategy Officer	Sold	2,500	$457.07	$1.1M
2026-06-02	SMITH GARY B President, CEO	Sold	2,952	$565.92	$1.7M
2026-05-19	SMITH GARY B President, CEO	Sold	2,952	$562.05	$1.7M
2026-05-19	Rothenstein David M SVP and Chief Strategy Officer	Sold	2,500	$562.39	$1.4M
2026-05-04	SMITH GARY B President, CEO	Sold	2,952	$537.74	$1.6M
2026-04-17	SMITH GARY B President, CEO	Sold	2,952	$467.47	$1.4M
2026-04-17	Rothenstein David M SVP and Chief Strategy Officer	Sold	2,500	$467.65	$1.2M
2026-04-03	Phipps Jason SVP Global Sales and Marketing	Sold	9,791	$410.76	$4.0M
2026-04-03	SMITH GARY B President, CEO	Sold	2,952	$415.51	$1.2M
2026-03-25	Gage Brodie SVP Global Products & Supply	Sold	5,000	$405.00	$2.0M
2026-03-18	SMITH GARY B President, CEO	Sold	2,952	$359.53	$1.1M
2026-03-04	SMITH GARY B President, CEO	Sold	2,952	$354.64	$1.0M
2026-01-20	Phipps Jason SVP Global Sales and Marketing	Sold	21,383	$247.89	$5.3M
2026-01-13	GALLAGHER PATRICK Director	Sold	11,618	$227.45	$2.6M
2026-01-13	Cumello Joseph SVP, General Mgr. Blue Planet	Sold	11,929	$229.82	$2.7M

Showing the 25 most recent of 36 filings for CIEN in the last two years. The full history, the price chart with every buy and sell marked, and daily updates are in the members browser.

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Every insider buy and sell for CIEN plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.