CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Atika Capital Management LLC's Holding History (CIK: 0001599731)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 60,000 Value ($000) $14,032 Avg Close $194.00 Range $143.19 - $248.00
Q3 2025
Shares 80,000 Value ($000) $11,654 Avg Close $101.84 Range $76.89 - $146.53