------ U.S. SECURITIES AND EXCHANGE COMMISSION ------------------------------ FORM 4 WASHINGTON, D.C. 20549 OMB APPROVAL ------ ------------------------------ 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 ------------------------------------------------------------------------------------------------------------------------------------ 1. NAME AND ADDRESS OF REPORTING PERSON* 2. ISSUER NAME AND TICKER OR TRADING SYMBOL 6. RELATIONSHIP OF REPORTING PERSON Reiter Joann M. 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 (give Other (specify 401 Elliott Ave. West PERSON, IF AN ENTITY FEBRUARY 2002 ---- title below) --- below) -------------------------------------------- (VOLUNTARY) ------------------- (Street) 5. IF AMENDMENT, Vice President and General Counsel 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 ------------------------------------------------------------------------------------------------------------------------------------ TABLE I -- NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED ------------------------------------------------------------------------------------------------------------------------------------ 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) ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 2/21/02 S 1,750 D $23.40 D ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 2/21/02 M 5,208 A $8.00 D ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 2/21/02 S 5,208 D $23.40 14,385 D ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 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 to respond unless the form displays a currently valid OMB Number. FORM 29963 (Over) SEC 1474 (3-99) (Print or Type Responses) FORM 4 (CONTINUED) TABLE II -- DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED (E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES) ------------------------------------------------------------------------------------------------------------------------------------ 1. Title of Derivative 2. Conver- 3. Trans- 4. Trans- 5. Number of 6. Date Exer- 7. Title and Amount 8. Price Security sion or action action Derivative cisable and of Underlying of (Instr. 3) Exercise Date Code Securities Ac- Expiration Securities Derivative Price of (Month/ (Instr. 8) quired (A) or Date (Instr. 3 and 4) Security Deriv- Day/ Disposed of (D) (Month/Day/ (instr. 5) ative Year) (Instr. 3, 4, Year) Security and 5) ------------------------------------------------------------------------------------------------------------------------------------ Code V (A) (D) Date Expira- Title Amount or Exer- tion Number of cisable Date Shares ------------------------------------------------------------------------------------------------------------------------------------ Non-Qualified Stock Option $8.00 2/21/02 M 5,208 4/12/09 Common 5,208 (right to buy) Stock ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 9. Number of 10. Ownership 11. Nature of Derivative of Derivative Indirect Securities Security: Beneficial Beneficially Direct (D) Ownership Owned at End or Indirect (I) (Instr. 4) of Month (Instr. 4) (Instr. 4) -------------------------------------------------------------------------- D -------------------------------------------------------------------------- -------------------------------------------------------------------------- -------------------------------------------------------------------------- -------------------------------------------------------------------------- -------------------------------------------------------------------------- -------------------------------------------------------------------------- Explanation of Responses: **Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). /s/ Joann Reiter 3/4/02 Note: File three copies of this Form, one of which must be manually signed. ------------------------------- --------------- If space is insufficient, see Instruction 6 for procedure. **Signature of Reporting Person Date 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. FORM 29963 Page 2 SEC 1474 (3-99)