SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
STEVENSON RUSSELL B JR

(Last) (First) (Middle)
C/O CIENA CORPORATION
1201 WINTERSON ROAD

(Street)
LINTHICUM, MD 21090

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
CIENA CORP [ CIEN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
SR. VP, GENERAL COUNSEL
3. Date of Earliest Transaction (Month/Day/Year)
10/02/2007
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 10/02/2007 M 13,690 A $16.52 28,606 D
Common Stock 10/02/2007 S 18,834 D $41.7211(1) 9,772 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy) $16.52 10/02/2007 M 13,690 (2) 11/02/2015 Common Stock 13,690 $0 14,881 D
Explanation of Responses:
1. Reflects the average sale price of the total shares sold. Actual sales prices are as follows: 300 shares at $41.82; 471 shares at $41.81; 8,029 shares at $41.80; 300 shares at $41.77; 100 shares at $41.76; 400 shares at $41.75; 900 shares at $41.74; 100 shares at $41.69; 200 shares at $41.68; 500 shares at $41.67; 1,000 shares at $41.66; 900 shares at $41.65; 2,100 shares at $41.64; 700 shares at $41.63; 500 shares at $41.62 and 2,334 shares at $41.59.
2. Option vests in equal monthly amounts over 48 months beginning on November 1, 2005.
By: Erik Lichter For: Russell B. Stevenson, Jr. 10/03/2007
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.