OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden
hours per response...0.5


UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

o 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*
(Last, First, Middle)
2. Issuer Name and Ticker or
Trading Symbol
3. I.R.S. Identification Number of Reporting
Person, if an entity
(Voluntary)
  Helsel, Brett L.
  F5 Networks, Inc. (ffiv)
 
  c/o F5 Networks, Inc.
401 Elliott Avenue West

4. Statement for (Month/Day/Year) 5. If Amendment, Date of Original (Month/Day/Year)
    12/11/02
 
  (Street) 6. Relationship of Reporting Person(s) to Issuer (Check All Applicable) 7. Individual or Joint/Group Filing
(Check Applicable Line)
  Seattle, WA 98119
(City)                (State)           (Zip)
  o  Director o  10% Owner   x Form filed by One Reporting Person
    x  Officer (give title below)   o Form filed by More than One Reporting Person
    o  Other (specify below)  
        Sr. VP of Product Development & CTO
     

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).
 

 


 


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
Transactions(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   12/11/02   M   479   A $9.50         D  

  Common Stock   12/11/02     S(1)   479   D $12.20         D  

  Common Stock   12/11/02     M   2,021   A $7.00         D  

  Common Stock   12/11/02     S(1)   2,021   D $12.20     144,739     D  

  Common Stock               150     I   By Trust

                     

                     

                   

                   

                   

Page 2


 


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)

                      Code V   (A) (D)

  Non-Qualified Stock Option (right to buy)   $7.00     12/11/02     M   2,021

  Non-Qualified Stock Option (right to buy)   $9.50     12/11/02     M   479

             

             

             

             

             

             

             

             

Page 3


 


Table II — Derivative Securities Acquired, Disposed of, or Beneficially Owned — Continued
( e.g. , puts, calls, warrants, options, convertible securities)

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)

  Date
Exercisable
Expiration
Date
  Title Amount or
Number of
Shares
                       

  5/27/01 4/27/11   Common Stock 2,021             D  

  1/1/02 1/1/11   Common Stock 479             D  

                 

                 

                 

                 

                 

                 

                 

                 

Explanation of Responses:

(1) Sale pursuant to the terms of a 10b5-1 trading plan.

/S/ Brett Helsel   12/11/02

**Signature of Reporting Person
 
Date


**   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.
 

Page 4