GRAFF MARC D.

PrivateCIK: 2080157
Location

HANOVER, MD

GRAFF MARC D. (SVP & Chief Financial Officer) sold 4.4% of their position (5K shares) of CIENA CORP on the open market

Open‑market sale worth $2.15M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderGRAFF MARC D.CIK 2080157
IssuerCIENA CORPCIK 936395
Officer· SVP & Chief Financial Officer
Since Mar 2026
-5K
Net shares
Net seller
$2.15M
Total sold
1
Open market trades
0B · 1S
1
Total transactions
5K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

5K

Price / share

$430.72

Trade value

$2.15M

% of position

4.4%
8/14/2026
112.51K107.52K
Total

Net shares

5K

Net value

-$2.15M

Derivative Transactions0
No derivative transactions reported