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U.S. SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
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(f) of the Investment Company Act of 1940
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FORM 4 OMB APPROVAL
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[ ] CHECK THIS BOX IF NO LONGER OMB Number: 3235-0287
SUBJECT TO SECTION 16. FORM 4 Expires: September 30, 1998
OR FORM 5 OBLIGATIONS MAY Estimated average burden
CONTINUE. SEE INSTRUCTION 1(B). hours per response .... 0.5
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1. Name and Address of Reporting Person *
Whitworth Ralph V.
(Last) (First) (Middle)
c/o Relational Investors, LLC, 4330 La Jolla Village Drive, Suite 220
(Street)
San Diego CA 92122
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
CD Radio Inc. (CDRD)
3. IRS or Social Security Number of Reporting Person (Voluntary)
4. Statement of Month/Year
December 1997
5. If Amendment, Date or Original (Month/Year)
6. Relationship of Reporting Person to Issuer (Check all applicable)
X Director 10% Owner
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Officer (give title Other
----- below) ----- (specify
below)
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7. Individual or Join/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
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Form filed by More than One Reporting Person
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TABLE I-- NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
1. Title of Security 2. Transaction 3. Trans- 4. Securities Acquired (A) 5. Amount of 6. Owner- 7. Nature
(Instr. 3) Date action or Disposed of (D) Securities ship of In-
Code (Instr. 3, 4 and 5) Beneficially Form: direct
(Month/ (Instr. 8) Owned at Direct Bene-
Day/ ------------- ------------------------- End of (D) ficial
Year) (A) Month Indirect Owner-
Code Amount or Price (Instr. 3 (I) ship
(D) and 4) (Instr. 4) (Instr. 4)
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Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Over)
* If the form is filed by more than one reporting person, SEE Instruction 4(b)(v). SEC 1474 8-92)
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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)
1. Title of Derivative 2. Conver- 3. Trans- 4. Transac- 5. Number of Deriv- 6. Date Exer-
Security (Instr. 3) sion or action tion Code ative Securities Ac- cisable and Ex-
Exercise Date (Instr. 8) quired (A) or Dis- piration Date
Price of posed of (D)
Deriv- (Month/ (Instr. 3, 4 and 5) (Month/Day/
ative Day/ Year)
Secur Year) ------------- ------------------------- ----------------------
Date Expira-
Code (A) (D) Exer- tion
cisable Date
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Stock Option (Right to Buy) $6.25 12/29/97 A 17,800 12/29/97 4/9/00
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7. Title and Amount of 8. Price 9. Number 10. Owner- 11. Na-
Underlying Securities Deriv of Deriv- ship ture
ative ative Form of In-
(Instr. 3 and 4) Secur- Secur- of De- direct
ity ities rivative Bene-
(Instr. Bene Secu- ficial
5) ficially rity: Own-
Owned Direct ership
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Amount or of Indi-
Title Number of Month rect (I)
Shares (Instr. 4) (Instr. 4)
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Common Stock 17,800 52,800(1) D
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Explanation of Responses:
(1) Includes 35,000 shares of Common Stock issuable pursuant to CD Radio Inc.'s
Directors' Nonqualified Stock Option Plan.
**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.
/s/ Ralph V. Whitworth 1/7/98
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**Signature of Reporting Person Date
Ralph V. Whitworth
