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CLOSED · 15:00 ET
Market Clerk
Sun Sep 6 · markets closed2 signals today321 insider buys this week · $404MCIRO short report next: Sep 15The week ahead

CIEN

CIENA CORP
NYSE · TECHNOLOGY · TELEPHONE & TELEGRAPH APPARATUS
317.46
−36.70 −10.36%
USD · Sep 3, 07:40 p.m. ET
MKT CAP $45BP/E 70.9DIV YIELD FCF YIELD 1.81%REV TTM $6B +32.6%NET INCOME $654.4M +364.5%NET CASH $1.8B52W 119.00 – 627.00SEC XBRL · TTM TO Invalid Date

One year, everything drawn on

251 SESSIONS · DAILY CLOSES
66847127578Sep 1 · President, CEO sell $1.1MMay 29 · Gilbert Cisneros buyMay 14 · Gilbert Cisneros buyMar 30 · Alan Armstrong buyMar 27 · Alan Armstrong buySep 3 · 10-Q filed (Q3 2026)Jun 4 · 10-Q filed (Q2 2026)Mar 5 · 10-Q filed (Q1 2026)Dec 12 · 10-K filed (FY 2025)Dec 12 · 10-K filed (Q4 2025)Sep 3 · 10-Q filed (Q3 2025)Jun 4 · 10-Q filed (Q2 2025)Mar 5 · 10-Q filed (Q1 2025)Dec 12 · 10-K filed (FY 2024)Dec 12 · 10-K filed (Q4 2024)Dec 12 · 10-K filed (FY 2023)Dec 12 · 10-K filed (Q4 2023)SEP 2025OCTJAN 2026APRJUL
Insider buyInsider sellCongress buy, above the lineCongress sell, below10-K / 10-Q filedHOVER A MARKER FOR THE FILING
THE WORK ORDER · 2026-09-06
Insiders (90d): $1.1M net selling
Shorts (latest report): 2.9M short · −790K last period
Every line of the math
63WATCH

Congress is trading it

ALL 4
TradedMemberTypeAmount
May 29Gilbert Cisneros D·CABuy$1K–$15K
May 14Gilbert Cisneros D·CABuy$1K–$15K
Mar 30Alan Armstrong R·OKBuy$1K–$15K
Mar 27Alan Armstrong R·OKBuy$1K–$15K

Insider activity

ALL 1
DateInsiderTypeValue
Sep 1President, CEOSell$1.1M
Watch CIEN. Know when insiders buy.
One email the day a filing lands. Free.