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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
GALLIVAN QUENTIN P
  2. Issuer Name and Ticker or Trading Symbol
VERISIGN INC/CA [VRSN]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Vice President
(Last)
(First)
(Middle)
487 EAST MIDDLEFIELD ROAD
3. Date of Earliest Transaction (Month/Day/Year)
05/18/2005
(Street)

MOUNTAIN VIEW, CA 94043
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 05/18/2005   S   200 D $ 29.66 150,431 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Incentive Stock Option (right to buy) $ 7.6719 05/18/2005   M     414 10/30/1999 10/30/2005 Common Stock 414 $ 0 0 D  
Non-Qualified Stock Option (right to buy) $ 10.08 05/18/2005   M     51,563 05/24/2003(1) 05/24/2009 Common Stock 51,563 $ 0 23,437 D  
Non-Qualified Stock Option (right to buy) $ 12.88 05/18/2005   M     30,000 11/11/2003(2) 08/11/2013 Common Stock 30,000 $ 0 50,000 D  
Non-Qualified Stock Option (right to buy) $ 22.71 05/18/2005   M     75,000 02/21/2003(1) 02/21/2009 Common Stock 75,000 $ 0 25,000 D  
Incentive Stock Option (right to buy) $ 151.25             08/01/2001 08/01/2007 Common Stock 1,322   1,322 D  
Non-Qualified Stock Option (right to buy) $ 26.53             11/03/2005(3) 11/03/2011 Common Stock 112,500   112,500 D  
Non-Qualified Stock Option (right to buy) $ 34.16             09/06/2002(4) 09/06/2008 Common Stock 90,000   90,000 D  
Non-Qualified Stock Option (right to buy) $ 34.438             03/15/2002 03/15/2008 Common Stock 35,000   35,000 D  
Non-Qualified Stock Option (right to buy) $ 37.0625             07/30/2000 07/30/2006 Common Stock 168,750   168,750 D  
Non-Qualified Stock Option (right to buy) $ 74.188             12/29/2001 12/29/2007 Common Stock 50,000   50,000 D  
Non-Qualified Stock Option (right to buy) $ 151.25             08/01/2001 08/01/2007 Common Stock 123,678   123,678 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
GALLIVAN QUENTIN P
487 EAST MIDDLEFIELD ROAD
MOUNTAIN VIEW, CA 94043
      Executive Vice President  

Signatures

 By: Donald T Rozak Jr, as attorney-in-fact For: Quentin P. Gallivan   05/19/2005
**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) Twenty-five percent (25%) of the total options granted vest and become exercisable one year after the date of grant and thereafter with respect to 6.25% of the shares each quarter until fully vested.
(2) Are exercisable as to 6.25% of the shares each quarter from the date of grant.
(3) Twenty-five percent (25%) of the total options granted vest and become exercisable one year after the date of grant and thereafter with respect to 6.25% of the shares each quarter until fully vested.
(4) Fifty percent (50%) of the total options granted on September 6, 2001, vest and become exercisable 1 year after the option grant date and thereafter with respect to 6.25% of the shares each quarter
 
Remarks:
Reporting Person's total direct holdings disclosed in Table I, Item 5 under Amount of Securities Beneficially Owned Following Reported Transaction(s) includes shares acquired through the VeriSign 1998 Employee Stock Purchase Plan.

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