Rothenstein David M sold CIEN
March 16, 2026 · Form 4 insider transaction
Rothenstein David M sold 2,500 shares of Ciena Corporation at $345.00 per share, a transaction worth $862.5K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
2,500
Price
$345.00
Total value
$862.5K
InsiderRothenstein David M
Role—
CompanyCiena Corporation (CIEN)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMarch 16, 2026
Filing dateMarch 18, 2026
Shares owned after197,194
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/10/2025.; Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).