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FORM 4
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[ ] Check box if no U.S. SECURITIES AND EXCHANGE COMMISSION -------------------------
longer subject to Washington, D.C. 20549 OMB APPROVAL
Section 16 Form 4 or -------------------------
Form 5 obligations STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OMB Number: 3235-0287
may continue. See Expires: December 31, 2001
Instruction 1(b) Estimated average burden
hours per response .. 0.5
(Print or Type Responses) -------------------------
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 2. Issuer Name and Ticker or Trading Symbol 6. Relationship of Reporting Person(s) to
Issuer
Barkin Ronald S. BioTime, Inc. (BTX) (Check all applicable)
--------------------------------------- -------------------------------------------- _X_ Director __ 10% Owner
(Last) (First) (Middle) 3. IRS or Social 4. Statement for __ Officer __ Other (specify below)
Security of Reporting Month/Year (give title below)
935 Pardee Street Person, if an entity 3/02
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(Street) 5. If Amendment, 7. Individual or Joint/Group Reporting
Date of original _X_ Form Filed by One Reporting Person
(Month/Year) __ Form Filed by More than One Reporting
Person
Berkeley CA 94710 (Check all applicable)
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(City) (State) (Zip) 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. Owner- 7. Nature
(Instr. 3) action action or Disposed of (D) Securities ship of In-
Date Code (Instr. 3, 4, and 5) Beneficially Form; direct
(Instr. Owned at Direct Bene-
8) End of (D) or ficial
(Month/ Month Indirect Owner-
Day/ (Instr. 3 (I) ship
Year) ------------------------- and 4) (Instr. 4) (Instr.
(A) 4)
or
Amount (D) Price
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Common Shares, no par value 3/06/02 S* 1,000 D $ 3.80 175,861** D
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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).
Form 4 (continued)
Table II -- Derivatives 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. Tran 4. Trans- 5. Number of 6. Date Exer- 7. Title and 8. Price 9. Number 10. Owner- 11. Nature
Security sion or sact action Derivative cisable and Amount of of of ship of
(Instr. 3) Exercise action Code Securities Expiration Underlying Deriv- Deriva- of Indirect
Price Date Acquired (A) Date Securities ative tive Deriva- Bene-
of (Instr.8) or Disposed Security Securities tive ficial
Derivative of (D) (Month/Day/ (Instr. 3 (Instr. Bene- Security Owner-
Security (Month/ (Instr. 3, 4 Year) and 4) 5) Owned Direct ship
Day/ and 5) at End (B) or (Instr.
Year) --------------------------- of Year indirect 4)
-------------Date Expir- Amount (Instr. 4) (3)
(A) (D) Exer- ation Title or (Instr.4)
cisable Date Number
of
Shares
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Explanation of Responses:
*Involuntary liquidation of margin loan collateral
**Includes 90,000 common shares that Mr. Barkin may acquire through the exercise of stock options
/s/ Ronald S. Barkin April 10, 2002
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**Signature of Reporting Person Date
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations
See 10 U.S.C. 1001 and 33 U.S.C. 10ff(e).
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 not
required to respond unless the form displays a currently valid OMB Number.