SEC FORM 4

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^*

SMITH GARY B

(Last)

(First)

(Middle)

C/O CIENA CORPORATION

1201 WINTERSON ROAD

(Street)

LINTHICUM,

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)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	PRESIDENT, CEO

3. Date of Earliest Transaction (Month/Day/Year)
03/27/2008

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/27/2008		M		3,920	A	$19.95	173,119	D
Common Stock	03/27/2008		M		15,280	A	$16.52	188,399	D
Common Stock	03/27/2008		S		19,200	D	$31.1285⁽¹⁾	169,199	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Non-Qualified Stock Option (right to buy)	$16.52	03/27/2008		M			15,280	⁽²⁾	11/02/2015	Common Stock	15,280	$0	76,237	D
Non-Qualified Stock Option (right to buy)	$19.95	03/27/2008		M			3,920	⁽³⁾	12/10/2014	Common Stock	3,920	$0	3,840	D

Explanation of Responses:

1. Reflects the average sale price of the total shares sold. Actual sale prices are as follows: 300 shares at $31.22; 300 shares at $31.24; 700 shares at $31.23; 500 shares at $31.26; 1,300 shares at $31.15; 313 shares at $31.18; 700 shares at $31.16; 2,600 shares at $31.03; 500 shares at $31.07; 1,100 shares at $31.14; 400 shares at $31.09; 492 shares at $31.10; 708 shares at $31.04; 1,600 shares at $30.99; 950 shares at $31.00; 300 shares at $30.98; 200 shares at $30.97; 400 shares at $31.02; 700 shares at $31.01; 500 shares at $31.08; 200 shares at $31.30; 87 shares at $31.18; 50 shares at $31.03; 200 shares at $31.21; 200 shares at $30.99; 100 shares at $31.35; 300 shares at $31.36; 200 shares at $31.33; 500 shares at $31.34; 1,300 shares at $31.28; 600 shares at $31.25; 500 shares at $31.27; 100 shares at $31.30; and 300 shares at $31.31.

2. Option vests in equal monthly amounts over 48 months beginning on November 1, 2005.

3. Option is fully vested.

	By: Erik Lichter For: Gary B. Smith	03/28/2008
	** 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).
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