Sign in

CIK 0000936395 · Large accelerated filer

Ticker
CIEN
Exchange
NYSE
Industry
Telephone & Telegraph Apparatus
FY end
Oct 31
Incorporated
MD
Entity type
operating
EIN
232725311
Phone
4108658500
Business address
7035 RIDGE ROAD, HANOVER, MD, 21076
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$14,511,676
in 19 filings, $12.2M under 10b5-1 plans

Net −$14,511,676. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-11-02 SMITH GARY B President & CEO Sale 10b5-1 −2,952 $298.16 $880K 222,503
2026-11-01 Graff Marc D. EVP & Chief Financial Officer Shares withheld for taxes −3,759 $320.72 $1.2M 103,377
2026-10-15 Gage Brodie EVP & Chief Product & Tech Sale 10b5-1 −1,200 $344.08 $413K 34,073
2026-10-15 DiPerna Dino EVP & Chief R&D Officer Sale 10b5-1 −445 $344.08 $153K 36,628
2026-10-15 DiPerna Dino EVP & Chief R&D Officer Sale 10b5-1 −445 $350.00 $156K 36,183
2026-10-15 Rothenstein David M EVP & Chief Strategy Officer Sale 10b5-1 −2,500 $348.06 $870K 172,881
2026-10-15 SMITH GARY B President & CEO Sale 10b5-1 −2,952 $348.02 $1.0M 225,455
2026-10-01 SMITH GARY B President & CEO Sale 10b5-1 −2,952 $369.66 $1.1M 228,407
2026-10-01 Graff Marc D. EVP & Chief Financial Officer Sale 10b5-1 −97 $355.19 $34K 107,136
2026-10-01 Kosaraju Sheela EVP & Chief Legal Officer Sale 10b5-1 −2,101 $355.19 $746K 84,065
2026-10-01 Phipps Jason EVP & Chief Customer Officer Sale 10b5-1 −2,629 $355.19 $934K 57,388
2026-09-25 Cumello Joseph EVP & General Mgr. Sale 10b5-1 −1,586 $358.52 $569K 39,570
2026-09-24 Claflin Bruce L. Director Sale −2,857 $355.91 $1.0M 8,279
2026-09-24 NEVENS THOMAS MICHAEL Director Gift −2,797 3,492
2026-09-23 NEVENS THOMAS MICHAEL Director Sale −3,738 $359.04 $1.3M 6,289
2026-09-20 Hoffman Grant EVP & Chief Supply Shares withheld for taxes −170 $348.80 $59K 6,347
2026-09-20 Graff Marc D. EVP & Chief Financial Officer Shares withheld for taxes −286 $348.80 $100K 107,233
2026-09-20 Gage Brodie EVP & Chief Product & Shares withheld for taxes −204 $348.80 $71K 37,003
2026-09-20 Gage Brodie EVP & Chief Product & Shares withheld for taxes −442 $348.80 $154K 36,561
2026-09-20 Gage Brodie EVP & Chief Product & Shares withheld for taxes −669 $348.80 $233K 35,892

Page 1 of 10 · 199 trades