CIEN

CIENA CORP

CIENA CORP (CIEN) has 31 SEC Form 4 filings (109 transaction rows) in the rolling window, disclosed by 8 distinct insiders. Most recent filing: Jul 17, 2026.

The most active filer is President, CEO SMITH GARY B with 4 filings. Insiders have net sold $13.5M over the trailing 6 months.

  • Industry:Communication Equipment
  • CEO:Gary Smith
  • Employees:8,795
  • HQ:Hanover, MD, US
  • IPO:1997-02-07

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$13.5M

reported sales (SEC code S)

Unique Insiders

8

in the rolling window

Market Cap

$55.0B

latest known value

Source
Sale$1.1MJul 17SEC ↗
Sale$539KJul 17SEC ↗
DiPerna DinoFirst filing
Sale$176KJul 17SEC ↗
Sale$1.2MJul 17SEC ↗
Kosaraju SheelaFirst filing
Sale$938KJul 6SEC ↗
Phipps JasonFirst filing
Sale$1.2MJul 6SEC ↗
Sale$59KJul 6SEC ↗
Sale$1.4MJul 6SEC ↗
Cumello JosephFirst filing
Sale$740KJun 30SEC ↗
Graff Marc D.First filing
Sale$57KJun 26SEC ↗
Sale$1.1MJun 17SEC ↗
Gage BrodieFirst filing
Sale$559KJun 17SEC ↗
Sale$1.3MJun 17SEC ↗
SMITH GARY BFirst filing
Sale$1.7MMay 19SEC ↗
Sale$1.4MMay 19SEC ↗

Congress trading CIEN

See timeline →
  • DRep. Gilbert CisnerosPurchase$1,001 - $15,0002026-05-29
  • DRep. Gilbert CisnerosPurchase$1,001 - $15,0002026-05-14

STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.

Related companies

CIENA CORP is in the Manufacturing sector.