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                     U.S. SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                     FORM 4

                 STATEMENT OF 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(f) of the Investment Company Act of 1940


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1.   Name and Address of Reporting Person*

McClendon,                           Scott
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   (Last)                           (First)             (Middle)

13855 Stowe Drive
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                                    (Street)

Poway,                                CA                  92064
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   (City)                           (State)              (Zip)


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2.   Issuer Name and Ticker or Trading Symbol

SpaceDev, Inc. (SPDV)
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3.   IRS Identification Number of Reporting Person, if an entity (voluntary)


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4.   Statement for Month/Day/Year

01/17/2003
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5.   If Amendment, Date of Original (Month/Day/Year)


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6.   Relationship of Reporting Person(s) to Issuer
     (Check all applicable)

     [X]  Director                             [_]  10% Owner
     [_]  Officer (give title below)           [_]  Other (specify below)

                           --------------------------
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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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                                                                                                          6.
                                                         4.                              5.               Owner-
                                 2A.                     Securities Acquired (A) or      Amount of        ship
                     2.          Deemed     3.           Disposed of (D)                 Securities       Form:     7.
                     Trans-      Execu-     Transaction  (Instr. 3, 4 and 5)             Beneficially     Direct    Nature of
                     action      tion       Code         ------------------------------- Owned Following  (D) or    Indirect
1.                   Date        Date,      (Instr. 8)                   (A)             Reported         Indirect  Beneficial
Title of Security    (mm/dd/     if any     ------------     Amount      or     Price    Transaction(s)   (I)       Ownership
(Instr. 3)           Year)       (mm/dd/yy)  Code     V                  (D)             (Instr. 3 and 4) (Instr.4) (Instr. 4)
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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)

================================================================================


                                                                                                                    10.
                                                                                                          9.        Owner-
                                                                                                          Number    ship
                                                                                                          of        Form
            2.                                                                                            Deriv-    of
            Conver-                            5.                              7.                         ative     Deriv-   11.
            sion                               Number of                       Title and Amount           Secur-    ative    Nature
            or               3A.               Derivative    6.                of Underlying     8.       ities     Secur-   of
            Exer-            Deemed   4.       Securities    Date              Securities        Price    Bene-     ity:     In-
            cise     3.      Execu-   Trans-   Acquired (A)  Exercisable and   (Instr. 3 and 4)  of       ficially  Direct   direct
            Price    Trans-  tion     action   or Disposed   Expiration Date   ----------------  Deriv-   Owned     (D) or   Bene-
1.          of       action  Date,    Code     of(D)         (Month/Day/Year)            Amount  ative    at End    In-      ficial
Title of    Deriv-   Date    if any   (Instr.  (Instr. 3,    ----------------            or      Secur-   of        direct   Owner-
Derivative  ative    (Month/ (Month/  4 and 5)               Date     Expira-            Number  ity      Month     (I)      ship
Security    Secur-   Day/    Day/     ------   ------------  Exer-    tion               of      (Instr.  (Instr.   (Instr.  (Instr.
(Instr. 3)  ity      Year)   Year)    Code V    (A)   (D)    cisable  Date     Title     Shares  5)       4)        4)       4)
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Non-
Statutory
Stock                                                                          Common
Options     $0.436           01/17/03 A         (A)         01/17/04  01/17/08 Stock   10,000   $0.436  25,460   (D)
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Explanation of Responses:


/s/ Scott McClendon                                              1/17/03
---------------------------------------------            -----------------------
      **Signature of Reporting Person                             Date


Reminder: Report on separate line for each class of securities beneficially
          owned directly or indirectly.

*      If the form is filed by more than one reporting person, See Insruction
       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).

Note:  File three copies of this Form, one of which must be manually signed.
       If space provided is insufficient, see Instruction 6 for procedure.


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