---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-017784"
form_type: "8-K"
ticker: "CIEN"
cik: "0000936395"
company_name: "CIENA CORP"
filed_at: "2023-01-27T23:59:59+00:00"
generated_at: "2026-06-20T07:40:09.658856+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Ciena amends bylaws to tighten stockholder nomination and proposal rules

## Summary
- Amended bylaws require nominating stockholders to disclose stock ownership, voting commitments, and litigation ties.
- Stockholders must represent intent to solicit proxies from 67% voting power; failure to comply voids nomination.
- Number of nominees limited to number of directors to be elected at meeting.
- Bylaws updated to reflect recent DGCL changes on adjournment and stockholder list requirements.
- Amendments effective January 26, 2023, filed as Exhibit 3.1.

## SEC filing metadata
- accession: 0001193125-23-017784
- form_type: 8-K
- ticker: CIEN
- cik: 0000936395
- company_name: CIENA CORP
- filed_at: 2023-01-27T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/936395/000119312523017784/0001193125-23-017784-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/936395/000119312523017784/d455318d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-017784
- JSON: https://secwatch.observer/filing/0001193125-23-017784.json
- Plain text: https://secwatch.observer/filing/0001193125-23-017784.txt

## Key facts
- Governance Changes
  CIENA CORP: Amended and restated bylaws to enhance procedural mechanics and disclosure requirements for stockholder nominations, comply with Rule 14a-19, and make other administrative updates (effective 2023-01-26).
  - Change: bylaw amendment
  - Effective: 2023-01-26
  source text: On January 26, 2023, in connection with a periodic review of the bylaws of Ciena Corporation (“Ciena”) the Board of Directors (the “Board”) of Ciena adopted and approved Ciena’s Amended and Restated Bylaws (the “Amended Bylaws”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/936395/000119312523017784/0001193125-23-017784-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.