C

SEC EDGAR - Form 4 insider activity

Ciena Corp $CIEN

Tracked equity - 6 filings indexed by Nortis

Nortis signal thesis

Cluster activity detected. Review whether the filings are open-market trades or routine compensation events.

0

OM buys - 90d

6

OM sells - 90d

0

Routine filings

6

Cluster filings

$1.34M

Largest trade

70/100

Avg signal score

Filing tape

Recent filings

Last 30d: 6
Open-market SellCLUSTERNotable 65/100
filed 2026-10-06
GDCFO

Graff Marc D. - EVP & Chief Financial Officer - $34.5K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERHigh signal 71/100
filed 2026-10-06
KSOfficer

Kosaraju Sheela - EVP & Chief Legal Officer - $746.3K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERHigh signal 71/100
filed 2026-10-06
PJOfficer

Phipps Jason - EVP & Chief Customer Officer - $933.8K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERNotable 56/100
filed 2026-09-29
CJInsider

Cumello Joseph - EVP & General Mgr. - $568.6K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERHigh signal 77/100
filed 2026-09-28
CLBoard

Claflin Bruce L. - Director - $1.02M

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERHigh signal 77/100
filed 2026-09-25
NMBoard

NEVENS THOMAS MICHAEL - Director - $1.34M

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing