Sec Form 4 Filing - Patton Stephana Eilene @ BIOTIME INC - 2018-10-04

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES 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(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Patton Stephana Eilene 2. Issuer Name and Ticker or Trading Symbol BIOTIME INC [ BTX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) General Counsel & Secretary (Last) (First) (Middle) 1010 ATLANTIC AVENUE, SUITE 102 3. Date of Earliest Transaction (MM/DD/YY) 10/04/2018 (Street) ALAMEDA, CA94501 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Shares, no par value 10/04/2018 M 13,750 ( 1 ) A $ 0 21,250 ( 2 ) D Common Shares, no par value 10/04/2018 F 4,755 ( 3 ) D $ 2.22 16,495 ( 2 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Units $ 0 10/04/2018 M 13,750 ( 4 ) ( 4 ) Common Shares 13,750 $ 0 41,250 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Patton Stephana Eilene 1010 ATLANTIC AVENUE, SUITE 102 ALAMEDA, CA94501 General Counsel & Secretary Signatures /s/Stephana E. Patton 10/08/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares earned by the Reporting Person as a result of the vesting of Restrictive Stock Units ("RSUs") granted to the Reporting Person on May 24, 2018. ( 2 )Does not include RSUs payable in shares of the Issuer's common stock that have not vested as of the date of this Report and shares that may be acquired upon the exercise of certain stock options. ( 3 )Securities withheld for tax purposes exempt under Rule 16(b)-3 in connection with the vesting of 13,750 RSUs, the grant of which was previously reported on a Form 8-K. ( 4 )25% of the RSUs granted on May 24, 2018 vested on October 4, 2018, then the remaining 75% of the RSUs shall vest based on the sole determination by the Board of Directors that BioTime has achieved certain milestones, subject to the continuing employment of the Reporting Person on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon vesting.

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).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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