Graff Marc D. Insider Trades & Stock Holdings

EVP & Chief Financial Officer · Ciena Corporation · Latest filing Oct 1, 2026

Graff Marc D., EVP & Chief Financial Officer at Ciena Corporation has 1 Form 4 trade on file since Oct 1, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($34.45K), net -$34.45K. Latest filing: disposed of 97 shares of $CIEN on Oct 1, 2026 at $355.19.

Trades on file

1

Open-market bought

$0

Open-market sold

$34.45K

Net open-market

-$34.45K

Latest filing

Oct 1, 2026

All insider trades by Graff Marc D.

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 1, 2026	$CIEN	Sell (Open-market sale) 10b5-1	97	$355.19	$34.45K			+12.3%			EVP & Chief Financial Officer		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Graff Marc D. traded

• $CIEN

Frequently asked questions

Has Graff Marc D. been buying or selling stock?

Graff Marc D. has 0 open-market purchases and 1 open-market sale on file, net -$34.45K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Graff Marc D.'s latest insider trade?

disposed of 97 shares of $CIEN on Oct 1, 2026 at $355.19.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.