CIEN

CIENA CORP

Latest Form 4:Sale$527KbyGage Brodie (SVP Global Products & Supply) · filed Aug 18, 2026

CIENA CORP (CIEN) has 119 SEC Form 4 filings (280 transaction rows) in the rolling window, disclosed by 11 distinct insiders. Most recent filing: Aug 18, 2026.

The most active filer is President, CEO SMITH GARY B with 24 filings. Insiders have net sold $44.9M 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

$95.2M

reported sales (SEC code S)

Unique Insiders

11

in the rolling window

Market Cap

$53.6B

latest known value

Source
Sale$527KAug 18SEC ↗
Sale$2.2MAug 18SEC ↗
Sale$1.1MAug 18SEC ↗
Sale$1.3MAug 18SEC ↗
Sale$1.1MAug 4SEC ↗
Sale$1.1MJul 17SEC ↗
Sale$539KJul 17SEC ↗
DiPerna DinoFirst in 3 months
Sale$176KJul 17SEC ↗
Sale$1.2MJul 17SEC ↗
Kosaraju SheelaFirst in 3 months
Sale$938KJul 6SEC ↗
Phipps JasonFirst in 3 months
Sale$1.2MJul 6SEC ↗
Sale$59KJul 6SEC ↗
Sale$1.4MJul 6SEC ↗
Cumello JosephFirst in 3 months
Sale$740KJun 30SEC ↗
Graff Marc D.First filing
Sale$57KJun 26SEC ↗
Sale$1.1MJun 17SEC ↗
Sale$559KJun 17SEC ↗
Sale$1.3MJun 17SEC ↗
Sale$1.7MJun 2SEC ↗
Sale$1.7MMay 19SEC ↗
Sale$1.4MMay 19SEC ↗
Sale$685KMay 19SEC ↗
Sale$1.6MMay 4SEC ↗
Sale$566KApr 17SEC ↗
Sale$1.4MApr 17SEC ↗
Sale$1.2MApr 17SEC ↗
DiPerna DinoFirst in 3 months
Sale$1.3MApr 16SEC ↗
Sale$9.0MApr 3SEC ↗
Sale$1.2MApr 3SEC ↗
Sale$808KApr 3SEC ↗
Sale$700KMar 31SEC ↗
Gage BrodieFirst in 3 months
Sale$2.0MMar 25SEC ↗
Sale$863KMar 18SEC ↗
Sale$1.1MMar 18SEC ↗
Sale$1.0MMar 4SEC ↗
Sale$884KFeb 19SEC ↗
Sale$750KFeb 19SEC ↗
Sale$784KFeb 4SEC ↗
Sale$741KJan 20SEC ↗
Sale$5.3MJan 20SEC ↗
Sale$94KJan 20SEC ↗
Sale$622KJan 16SEC ↗
Cumello JosephFirst in 4 months
Sale$2.7MJan 13SEC ↗
GALLAGHER PATRICKFirst filing
Sale$2.6MJan 13SEC ↗
Sale$548KJan 13SEC ↗
Kosaraju SheelaFirst in 3 months
Sale$421KJan 6SEC ↗
Sale$19.2MJan 6SEC ↗
Sale$1.6MDec 29SEC ↗
Phipps JasonFirst filing
Sale$285KDec 18SEC ↗
Sale$1.9MDec 17SEC ↗
Sale$552KDec 16SEC ↗
Sale$121KDec 16SEC ↗
Sale$1.3MDec 5SEC ↗
Sale$237KNov 18SEC ↗
Sale$21KNov 18SEC ↗
Sale$479KNov 18SEC ↗
Sale$1.4MNov 12SEC ↗
Sale$1.3MNov 5SEC ↗
DiPerna DinoFirst filing
Sale$62KOct 17SEC ↗
Sale$59KOct 17SEC ↗
Sale$426KOct 17SEC ↗
Sale$1.2MOct 17SEC ↗
Kosaraju SheelaFirst filing
Sale$251KOct 2SEC ↗
Sale$1.0MOct 2SEC ↗
Cumello JosephFirst filing
Sale$263KSep 29SEC ↗
Claflin Bruce L.First filing
Sale$1.2MSep 26SEC ↗
Sale$926KSep 17SEC ↗
Gage BrodieFirst filing
Sale$46KSep 17SEC ↗
Sale$330KSep 17SEC ↗
SMITH GARY BFirst filing
Sale$632KSep 3SEC ↗

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.