Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
Theobald Carl
  2. Issuer Name and Ticker or Trading Symbol
SERENA SOFTWARE INC [SRNA]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Sr. VP, R&D
(Last)
(First)
(Middle)
2755 CAMPUS DRIVE, 3RD FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
03/10/2006
(Street)

SAN MATEO, CA 94403-2538
4. If Amendment, Date 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
(City)
(State)
(Zip)
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 03/10/2006   M(1)   68,206 A $ 15.36 (1) 69,483 D  
Common Stock 03/10/2006   F(1)   43,652 D $ 24 (1) 25,831 D  
Common Stock 03/10/2006   D   25,831 (2) D $ 24 0 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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 control number. SEC 1474 (9-02)

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 Underlying Securities
(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 of Derivative Security: 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) $ 15.36 03/10/2006   M     68,206 (1)   (3) 08/18/2014 Common Stock 68,206 (1) $ 8.64 106,794 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Theobald Carl
2755 CAMPUS DRIVE, 3RD FLOOR
SAN MATEO, CA 94403-2538
      Sr. VP, R&D  

Signatures

 CARL THEOBALD   03/16/2006
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Immediately prior to the merger of Spyglass Merger Corp. with and into the Issuer, the Reporting Person exercised on a "cashless basis" an option to buy 68,206 shares of the Issuer's common stock for $15.36 per share. In connection with this cashless exercise, the exercise price for the exercise of such option was satisfied by the delivery to the Issuer of 43,652 shares of the Issuer's common stock in satisfaction of the exercise price.
(2) In connection with the merger of Spyglass Merger Corp. with and into the Issuer, shares of the Issuer's common stock were converted into the right to receive $24.00 per share, without interest.
(3) Prior to 3/10/06, such option would become vested and exercisable with respect to 1/4 of the shares underlying such option on 8/18/05 and the remaining shares underlying such option would become vested and exercisable in equal installments on each one-month anniversary of 8/18/05 until 8/18/08, at which time such option would be fully vested and exercisable. Immediately prior to the effective time of the merger of Spyglass Merger Corp. with and into the Issuer, the option became fully vested and exercisable with respect to all shares underlying such option that were not previously vested and exercisable.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.