ROTHENSTEIN DAVID M

PrivateCIK: 1444157
Location

HANOVER, MD

Senior insider sale

Sr. VP, General Counsel at CIENA CORP — senior position signals high conviction

$4.55M

10K shares

What this filing means

ROTHENSTEIN DAVID M plans to sell 10K shares of CIENA CORP valued at approximately $4.55M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderROTHENSTEIN DAVID MCIK 1444157
IssuerCIENA CORPCIK 936395
Officer· Sr. VP, General Counsel
Since Jul 2018
10K
Shares to sell
$4.55M
Approx. market value
2.50K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months1
Sort

Restricted Stock Units

N/A

6/20/2020
2.50K
Total acquired2.50K
Planned & Completed Dispositions4
Sort

Completed

Completed

Units to sell

2.50K

Market value

$1.41M

5/15/2026
Completed

Units to sell

2.50K

Market value

$1.17M

4/15/2026
Completed

Units to sell

2.50K

Market value

$862.5K

3/16/2026

Planned — Approximate Date

NYSEPlanned

Units to sell

2.50K

Market value

$1.11M

6/15/2026
Total

Units

10K

Value

$4.55M

ROTHENSTEIN DAVID M — Planned Insider Sale (Form 144) | Finecho