---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-356718"
form_type: "8-K"
ticker: "CIEN"
cik: "0000936395"
company_name: "CIENA CORP"
filed_at: "2021-12-14T23:59:59+00:00"
generated_at: "2026-06-28T01:30:42.708150+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Ciena enters $250M accelerated share repurchase agreement with Goldman Sachs

## Summary
- Initial delivery of ~2.7 million shares (80% of expected repurchase, based on $74.12 close on Dec 13).
- Repurchase is part of the previously announced $1.0 billion share buyback program.
- Final settlement expected in fiscal quarter ending April 30, 2022; funded from cash on hand.
- ASR mechanism uses daily VWAP less discount, with potential adjustments.

## SEC filing metadata
- accession: 0001193125-21-356718
- form_type: 8-K
- ticker: CIEN
- cik: 0000936395
- company_name: CIENA CORP
- filed_at: 2021-12-14T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/936395/000119312521356718/0001193125-21-356718-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/936395/000119312521356718/d249941d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-356718
- JSON: https://secwatch.observer/filing/0001193125-21-356718.json
- Plain text: https://secwatch.observer/filing/0001193125-21-356718.txt

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