CIEN

CIENA CORP · Manufacturing · Market cap $51.2B

Insiders sold $18.0M net in the last 90 days ·10 sellers, 0 buyers· 20 of 22 sales under Rule 10b5-1 plans· latest Form 4 filed Oct 19, 2026

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$100.6M

reported sales (SEC code S)

Unique Insiders

11

in the rolling window

Latest filing

Oct 19, 2026

Gage Brodie

CIENA CORP (CIEN) has 124 SEC Form 4 filings (286 transaction rows) in the rolling window, disclosed by 11 distinct insiders. Most recent filing: Oct 19, 2026.

Inside the rolling window, 11 insiders at CIENA CORP reported no open-market purchases and 75 open-market sales totaling $100.6M. The most active filer is President & CEO SMITH GARY B with 24 filings. Insiders have net sold $35.5M over the trailing 6 months. The most recent open-market filing is a sale of 1,200 shares by EVP & Chief Product & Tech Gage Brodie, dated Oct 15, 2026, worth $413K.

  • Industry:Communication Equipment
  • CEO:Gary Smith
  • Employees:8,989
  • HQ:Hanover Maryland, MD, US
  • IPO:1997-02-07
Source
Sale$413KOct 19SEC ↗
Sale$1.0MOct 19SEC ↗
Sale$870KOct 19SEC ↗
Sale$309KOct 19SEC ↗
Sale$1.1MOct 13SEC ↗
Sale$34KOct 6SEC ↗
Kosaraju SheelaFirst in 3 months
Sale$746KOct 6SEC ↗
Phipps JasonFirst in 3 months
Sale$934KOct 6SEC ↗
Cumello JosephFirst in 3 months
Sale$569KSep 29SEC ↗
Claflin Bruce L.First filing
Sale$1.0MSep 28SEC ↗
Sale$1.3MSep 25SEC ↗
Sale$81KSep 17SEC ↗
Sale$87KSep 17SEC ↗
Sale$390KSep 17SEC ↗
Sale$975KSep 17SEC ↗
Sale$826KSep 17SEC ↗
Sale$1.1MSep 2SEC ↗
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 ↗
Showing 1–25 of 75
1 / 3

Earnings: last 7 quarters

EstimatedActual

Congress trading CIEN 18 all-time

  • DRep. Gilbert CisnerosPurchase$1,001 - $15,0002026-05-29
  • DRep. Gilbert CisnerosPurchase$1,001 - $15,0002026-05-14
  • DRep. Gilbert Ray CisnerosPurchase$1,001 - $15,0002026-05-29
  • DRep. Gilbert Ray CisnerosPurchase$1,001 - $15,0002026-05-14
  • DRep. Gilbert Ray CisnerosPurchase$1,001 - $15,0002026-05-29
  • RRep. Lisa C. McClainPurchase$1,001 - $15,0002025-06-17

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

Frequently asked questions

How many SEC Form 4 insider filings does CIEN have?

CIENA CORP (CIEN) has 124 SEC Form 4 filings (286 transaction rows) in the rolling 365-day window, disclosed by 11 distinct insiders. Most recent filing: Oct 19, 2026.

When was the most recent SEC Form 4 filing for CIEN?

The most recent Form 4 filing for CIEN on Tracefour is dated Oct 19, 2026.

Who is the most active insider at CIEN?

The most active SEC Form 4 filer at CIEN in the rolling window is President & CEO SMITH GARY B, with 24 filings.

What is the net insider flow at CIEN over the last 6 months?

Over the trailing 180 days, insiders at CIEN have net sold $35.5M based on SEC Form 4 disclosures.

What is the total insider buy and sell value at CIEN in the current window?

Inside the rolling window, insiders at CIEN bought $0 and sold $100.6M based on SEC Form 4 filings.

Can I get alerts for CIEN insider trading?

Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at CIENA CORP (CIEN). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.

Related companies

CIENA CORP is in the Manufacturing sector.