------                           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(s)
    Goldman        Steven                         F5 NETWORKS, INC. (ffiv)                      to Issuer (check all applicable)
--------------------------------------------   ----------------------------------------------       Director          10% Owner
    (Last)        (First)         (Middle)     3. IRS or Social Security  4. Statement for      ----              ---
    501 Elliott Avenue West                       Number of Reporting        Month/Year          X  Officer           Other (specify
--------------------------------------------      Person (Voluntary)         January 2001       ----              --- below)
                  (Street)                                                -------------------   (give title below)
    Seattle,          WA           98119                                  5. If Amendment,      Sr. Vice President of
--------------------------------------------                                 Date of Original   Sales and Services
    (City)        (State)           (Zip)                                    (Month/Year)       ------------------------------------
                                                                                             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                      1/2/01   M             14,250    A        $0.05                           D
------------------------------------------------------------------------------------------------------------------------------------
Common Stock                      1/2/01   M             45,000    A        $0.05       165,220             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).
                                                                                                                              (Over)
                                              (Print or Type Repsonses)                                              SEC 1474 (3-99)


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       Expiration      Securities            Deriv-
                             Price of     (Month/    (Instr.     Acquired (A)     Date            (Instr. 3 and 4)      ative
                             Deriv-       Day/       8)          or Disposed      (Month/Day/                           Secur-
                             ative        Year)                  of (D) (Instr.   Year)                                 ity
                             Security                            3, 4, and 5)                                           (Instr. 5)
                                                                               -----------------------------------
                                                                               Date    Expira-            Amount or
                                                    -------------------------- Exer-   tion       Title   Number of
                                                    Code  V     (A)     (D)    cisable Date               Shares
------------------------------------------------------------------------------------------------------------------------------------
Incentive Stock Option       $0.05       1/2/01     M                 14,250   7/14/98 8/18/07    Common  14,250
(right to buy)                                                                                    Stock
------------------------------------------------------------------------------------------------------------------------------------
Incentive Stock Option       $0.05       1/2/01     M                 45,000   7/14/98 7/17/07    Common  45,000
(right to buy)                                                                                    Stock
------------------------------------------------------------------------------------------------------------------------------------
Non-Qualified Stock          $9.50       1/1/01     A         50,000           1/1/02  1/11/11    Common  50,000
Option (right to buy)(1)                                                                          Stock
------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------
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)

--------------------------------------------------------------------------
                           D

--------------------------------------------------------------------------
                           D

--------------------------------------------------------------------------
   50,000                  D

--------------------------------------------------------------------------

--------------------------------------------------------------------------

--------------------------------------------------------------------------

--------------------------------------------------------------------------
Explanation of Responses:

(1) Options vest 50% after one year and the remaining 50% after the second year from
    the date of grant.

**Intentional misstatements or omissions of facts constitute Federal Criminal Violations.    /s/ STEVEN GOLDMAN              2/6/01
                                                                                             ------------------------------- -------
  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                                       Page 2
form are not required to respond unless the form displays a currently valid OMB Number.                              SEC 1474 (3-99)

FORM 29963


PANCOTTINE, JEFFREY            F5 NETWORKS, INC. (ffiv)       PAGE 3 OF 3 PAGES
501 ELLIOTT AVENUE WEST        JANUARY 2001
SEATTLE, WA 98119

(1) OPTIONS VEST 50% AFTER ONE YEAR AND THE REMAINING 50% AFTER THE SECOND YEAR.