Skip to main content
CIEN logo

CIEN

Ciena Corp
$418.46 -28.47 (-6.37%) At close · Jul 15
Market Cap
$60.14B
Shares
141,552,922

Fails to deliver — shares from a trade that were not delivered to the buyer by the settlement date — published by the SEC twice a month. Persistent fails can reflect settlement problems or naked short selling.

Fails to Deliver History

Settlement Date Quantity Price Value
2026-06-30 23 $478.93 $11,015
2026-06-29 324,965 $479.50 $155,820,718
2026-06-23 131 $460.33 $60,303
2026-06-18 1,839 $436.72 $803,128
2026-06-15 24,805 $445.98 $11,062,534
2026-06-12 27,580 $445.22 $12,279,168
2026-06-11 24,956 $434.65 $10,847,125
2026-06-10 5,454 $439.34 $2,396,160
2026-06-09 3,059 $466.67 $1,427,544
2026-06-01 262 $580.23 $152,020
2026-05-29 18,572 $570.18 $10,589,383
2026-05-27 21,972 $602.39 $13,235,713
2026-05-19 499 $524.53 $261,740
2026-05-18 3,600 $554.46 $1,996,056
2026-05-11 200 $548.11 $109,622
2026-05-05 167 $538.51 $89,931
2026-05-04 779 $535.29 $416,991
2026-04-27 200 $520.80 $104,160
2026-04-23 14,048 $498.97 $7,009,531
2026-04-20 19,237 $507.43 $9,761,431
Showing 1–20 of 20 settlements
Key facts CIK 936395 CUSIP 171779309 13F (30d) 123 filings 120 filers Visit website Investor relations