Rothenstein David M sold CIEN
May 15, 2026 · Form 4 insider transaction
Rothenstein David M sold 2,500 shares of Ciena Corporation at $562.39 per share, a transaction worth $1.41M. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Disposed (sell-side)
Shares
2,500
Price
$562.39
Total value
$1.41M
InsiderRothenstein David M
Role—
CompanyCiena Corporation (CIEN)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 15, 2026
Filing dateMay 19, 2026
Shares owned after190,081
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/10/2025.; Reflects the weighted average sales price with transactions in a range of sales from $555.0187 to $572.6800. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.; Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).