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CIENA CORP (CIEN) reporting calendar

CIENA CORP files periodic reports with the SEC as CIEN on NYSE. Atlas tracks 23 filed reports for this issuer, each linked to its original EDGAR accession.

Next window
30 Aug 2026 – 13 Sep 2026
Latest report
10-Q
Period ended
2 May 2026
Filed
4 Jun 2026
Reports on record
23

How this window is derived. Derived from this issuer's own filing history: 9 periods at a median 91-day cadence, filed a median 36 days after period end. The SEC does not publish forward reporting dates and Atlas does not estimate one.

Open CIEN market profile Latest filing on SEC EDGAR ↗ All NYSE reporting dates

Filed periodic reports

FormPeriod endedFiledLagSEC accession
10-Q2 May 20264 Jun 202633 days0001628280-26-040767
10-Q31 Jan 20265 Mar 202633 days0001628280-26-015152
10-K1 Nov 202512 Dec 202541 days0001628280-25-056698
10-Q2 Aug 20254 Sep 202533 days0000936395-25-000041
10-Q3 May 20255 Jun 202533 days0000936395-25-000025
10-Q1 Feb 202512 Mar 202539 days0000936395-25-000011
10-K2 Nov 202420 Dec 202448 days0000936395-24-000044
10-Q27 Jul 20244 Sep 202439 days0000936395-24-000032
10-Q27 Apr 20246 Jun 202440 days0000936395-24-000025
10-Q27 Jan 20247 Mar 202440 days0000936395-24-000008
10-K28 Oct 202315 Dec 202348 days0000936395-23-000044
10-Q29 Jul 20236 Sep 202339 days0000936395-23-000034
10-Q29 Apr 20237 Jun 202339 days0000936395-23-000027
10-Q28 Jan 20238 Mar 202339 days0000936395-23-000014
10-K29 Oct 202216 Dec 202248 days0000936395-22-000065
10-Q30 Jul 20227 Sep 202239 days0000936395-22-000053
10-Q30 Apr 20228 Jun 202239 days0000936395-22-000045
10-Q29 Jan 20229 Mar 202239 days0000936395-22-000029
10-K30 Oct 202117 Dec 202148 days0000936395-21-000054
10-Q31 Jul 20218 Sep 202139 days0000936395-21-000040
10-Q1 May 20219 Jun 202139 days0000936395-21-000034
10-Q30 Jan 202110 Mar 202139 days0000936395-21-000010
10-K31 Oct 202018 Dec 202048 days0000936395-20-000042

Source: SEC EDGAR company submissions for CIK 0000936395. Atlas publishes filed facts only. The SEC does not publish forward reporting dates, so no announced future date is claimed here.