v3.26.1
SHARE-BASED COMPENSATION EXPENSE
 9 Months Ended
Aug. 01, 2026
Share-Based Payment Arrangement [Abstract]  
SHARE-BASED COMPENSATION EXPENSE SHARE-BASED COMPENSATION EXPENSE
The following table summarizes share-based compensation expense for the periods indicated (in thousands):
Quarter EndedNine Months Ended
August 1,August 2,August 1,August 2,
2026202520262025
Products$2,175 $2,027 $6,007 $5,810 
Services4,666 3,941 13,195 11,327 
Share-based compensation expense included in cost of goods sold6,841 5,968 19,202 17,137 
Research and development20,173 16,749 55,353 48,007 
Selling and marketing16,623 13,277 47,863 38,523 
General and administrative14,241 11,008 40,760 32,176 
Share-based compensation expense included in operating expense51,037 41,034 143,976 118,706 
Share-based compensation expense capitalized in inventory, net (1)
— (74)— (147)
Total share-based compensation expense$57,878 $46,928 $163,178 $135,696 

(1) Effective the beginning of fiscal 2026, Ciena will no longer be calculating share-based compensation capitalized in inventory due to immateriality.

As of August 1, 2026, total unrecognized share-based compensation expense was $394.9 million, which relates to unvested stock unit awards and is expected to be recognized over a weighted-average period of 1.52 years.