655 filings
Page 28 of 33
SC TO-I/A
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30 Apr 02
Issuer tender offer statement (amended)
12:00am
SC TO-I/A
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19 Apr 02
Issuer tender offer statement (amended)
12:00am
425
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18 Apr 02
Business combination disclosure
12:00am
SC TO-I
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17 Apr 02
Issuer tender offer statement
12:00am
425
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8 Apr 02
Business combination disclosure
12:00am
SC TO-I
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1 Apr 02
Issuer tender offer statement
12:00am
8-K
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26 Mar 02
CIENA Announces Operational Realignment
12:00am
425
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20 Feb 02
Business combination disclosure
12:00am
425
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19 Feb 02
Business combination disclosure
12:00am
8-K
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19 Feb 02
CIENA and ONI Systems Agree to Unite
12:00am
425
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19 Feb 02
Business combination disclosure
12:00am
425
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19 Feb 02
Business combination disclosure
12:00am
DEFA14A
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8 Feb 02
Additional proxy soliciting materials
12:00am
ARS
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8 Feb 02
Annual report to shareholders
12:00am
8-K
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5 Feb 02
CIENA Announces Preliminary First Quarter Fiscal 2002 Results, Operational Adjustments and Associated Restructuring Charges
12:00am