------ U.S. SECURITIES AND EXCHANGE COMMISSION ------------------------------
FORM 4 WASHINGTON, D.C. 20549 OMB APPROVAL
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STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OMB Number: 3235-0287
[ ] Check this box if no Expires: December 31, 2001
longer subject to Filed pursuant to Section 16(a) of the Securities Estimated average burden
Section 16. Form 4 Exchange Act of 1934, Section 17(a) of the hours per response.........0.5
or Form 5 obligations Public Utility Holding Company Act of 1935 ------------------------------
may continue. See or Section 30(f) of the Investment Company
Instruction 1(b). Act of 1940
(Print or Type Responses)
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1. Name and Address of Reporting Person* 2. Issuer Name and Ticker or Trading Symbol 6. Relationship of Reporting Person(s)
HELSEL, BRETT L. F5 NETWORKS, INC. (ffiv) to Issuer (check all applicable)
-------------------------------------------- ---------------------------------------------- Director 10% Owner
(Last) (First) (Middle) 3. IRS or Social Security 4. Statement for ---- ---
c/o F5 NETWORKS, INC. Number of Reporting Month/Year X Officer X Other (specify
401 ELLIOTT AVE. WEST Person, if an entity JULY 2001 ---- --- below)
-------------------------------------------- (Voluntary) ------------------- (give title below)
(Street) 5. If Amendment, CHIEF TECHNOLOGY OFFICER
SEATTLE, WA 98119 Date of Original ------------------------------------
-------------------------------------------- (Month/Year)
(City) (State) (Zip) 7. Individual or Joint/Group Filing
------------------- (check applicable line)
X Form filed by One
---- Reporting Person
Form filed by More Than
---- One Reporting Person
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TABLE I -- NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
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1. Title of Security 2. Trans- 3. Trans- 4. Securities Acquired (A) 5. Amount of 6. Ownership 7. Nature of
(Instr. 3) action action or Disposed of (D) Securities Form: Indirect
Date Code (Instr. 3, 4 and 5) Beneficially Direct Beneficial
(Instr. 8) Owned at (D) or Ownership
(Month/ End of Month Indirect (Instr. 4)
Day/ --------------------------------------- (Instr. 3 and 4) (I)
Year) Code V Amount (A) or Price (Instr. 4)
(D)
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COMMON STOCK 07/30/01 M 8,406 A $0.75 D
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COMMON STOCK 07/30/01 S 8,406 D $15.06 57,855 D
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COMMON STOCK 150 I CUSTODIAL
ACCOUNT
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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).
POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION CONTAINED IN THIS FORM ARE NOT REQUIRED (Over)
TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY VALID OMB CONTROL NUMBER. SEC 1474 (3-99)
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FORM 4 (CONTINUED) TABLE II -- DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
(E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES)
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1. Title of Derivative 2. Conver- 3. Trans- 4. Trans- 5. Number of 6. Date Exer- 7. Title and Amount 8. Price of
Security sion or action action Derivative cisable and of Underlying Derivative
(Instr. 3) Exercise Date Code Securities Expiration Securities Security
Price of (Month/ (Instr. Acquired (A) Date (Instr. 3 and 4) (Instr. 5)
Deriv- Day/ 8) or Disposed (Month/Day/
ative Year) of (D) (Instr. Year)
Security 3, 4, and 5)
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Date Expira- Amount or
-------------------------- Exer- tion Title Number of
Code V (A) (D) cisable Date Shares
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NON-QUALIFIED STOCK OPTION $0.75 07/30/01 M 8,406 10/27/08 COMMON 8,406
(RIGHT TO BUY) STOCK
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9. Number of 10. Ownership 11. Nature of
Derivative Form of Indirect
Securities Derivative Beneficial
Beneficially Security: Ownership
Owned at End Direct (D) (Instr. 4)
of Month or Indirect (I)
(Instr. 4) (Instr. 4)
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0 D
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Explanation of Responses:
**Intentional misstatements or omissions of facts constitute Federal Criminal Violations. /s/ BRETT HELSEL 8/6/01
See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). ------------------------------- -------
**Signature of Reporting Person Date
Note: File three copies of this Form, one of which must be manually signed.
If space provided is insufficient, see Instruction 6 for procedure.
Potential persons who are to respond to the collection of information contained in this form are Page 2
not required to respond unless the form displays a currently valid OMB Number. SEC 1474 (3-99)
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