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SC 13G/A

Amended Statement of Ownership

CIENA CORP Filed 2020-02-04 Acc 0000834237-20-001698

Documents 1

SC 13G/A Amended Statement of Ownership , us1717793095_020320.txt

Around this filing

2020-02-12 SC 13G/A Amended Statement of Ownership
2020-02-07 4 Changes in Ownership
2020-02-04 SC 13G/A Amended Statement of Ownership
2020-01-31 4 Changes in Ownership
2020-01-28 8-K Material agreement · New debt or obligation
2019-02-11 SC 13G/A Amended Statement of Ownership

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