Bruce L. Claflin sold $1.0M of Ciena (CIEN)

Executed Sep 24, disclosed Sep 28, 4 days later.

Value, as filed

$1.0M

2,857 sh × $355.91

Executed

Sep 24

the trade date, as filed

Disclosed

Sep 28

4 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

BC Bruce L. Claflin Director profile →

Bruce L. Claflin (Director) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Ciena Corporation (CIEN). The largest single filing was $1.0M of CIEN (2,857 sh × $355.91, as filed), executed Sep 24.

The name

CIEN Ciena Corporation CIEN · Technology · 113 filings in 24 months ticker →

Technology · Ciena Corporation, a network technology company, provides hardware, software, and services for various network operators in the Americas, E…

More Technology filings→ Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Bruce L. Claflin in CIEN

CIENSALE Ciena Corporation $1.2M
8,461 sh × $140.12
Exec Sep 24 2025
Filed Sep 26 2025 · 5:30 PM ET CIENSALE Ciena Corporation $1.4M
16,912 sh × $84.96
Exec Jan 6 2025
Filed Jan 8 2025 · 5:30 PM ET