CIEN in its own filings
Nothing in CIEN's filing record raises a hard flag: no restatement, auditor change, late filing or delisting notice. That is the common case, not a distinction.
462
Events found in the filings · across 3,761 filings · the record starts in 1997
- Hard flags
- none
Hard flags
- Most recent filing
- 2026-06-11
Most recent filing · Form 8-K
- Record starts
- 1997-02-19
Record starts · the earliest filing Ryufin has read for this name
Details›
- Security removed from listing or deregisteredhistorical
- 2013-12-13
- Material impairment2 occurrences
- 2009-04-17
- SEC comment-letter activity29 occurrences
- 2020-04-27
SEC EDGAR submissions index and 8-K item codes; 4.02 and 1.03 items are confirmed against the filing text.
reading the record…
Communication Equipment
Ranks #17 of 21 by Smart Score