Statement of Ownership (sc 13g)

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G
Under the Securities Exchange Act of 1934

(Name of Issuer) APTOSE BIOSCIENCES INC.

(Title of Class of Securities) Common Stock

(CUSIP Number) 03835T200
(Date of Event Which Requires Filing of this Statement) May 30, 2017

Check the appropriate box to designate the rule pursuant to which this
Schedule
is filed:
[ ]Rule 13d-1(b)
[ X ]Rule 13d-1(c)
[ ]Rule 13d-1(d)

CUSIP No. 03835T200 1.Names of Reporting Persons. Laurence W.Lytton 2. Check the Appropriate Box if a Member of a Group (See Instructions) a).......................................................................... (b).......................................................................... 3.SEC Use Only 4.Citizenship or Place of Organization USA 5.Sole Voting Power 1,193,481 6.Shared Voting Power 0 7.Sole Dispositive Power 1,193,481 8.Shared Dispositive Power 0 9.Aggregate Amount Beneficially Owned by Each Reporting Person 1,193,481 10.Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)................................. 11.Percent of Class Represented by Amount in Row (9) 5.5% (1) (1) Based on 21,753,851 common shares issued and outstanding as of May 11, 2017 as reported in the May 12, 2107 6-K. 12.Type of Reporting Person (See Instructions) IN Item 1. (a)Name of Issuer APTOSE BIOSCIENCES INC. (b)Address of Issuer's Principal Executive Offices 5955 Airport Road, Suite #228 Mississauga, Ontario L4V 1R9 Canada Item 2. (a)Name of Person Filing Laurence W. Lytton (b)Address of Principal Business Office or, if none, Residence 467 CPW N.Y., NY 10025 (c)Citizenship USA (d)Title of Class of Securities Common (e)CUSIP Number 03835T200 Item 3. not applicable Item 4.Ownership. (a)Amount beneficially owned: 1,193,481 consisting of 1,169,172 shares held by the reporting person and 24,309 held in the AWL Family LLC. (b)Percent of class: 5.5% (c)Number of shares as to which the person has: (i)Sole power to vote or to direct the vote 1,193,481 (ii)Shared power to vote or to direct the vote (iii)Sole power to dispose or to direct the disposition of 1,193,481 (iv)Shared power to dispose or to direct the disposition of Item 5.Ownership of Five Percent or Less of a Class: If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following ( ). Item 6.Ownership of More than Five Percent on Behalf of Another Person. Not applicable Item 7.Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company Not applicable Item 8.Identification and Classification of Members of the Group Not applicable Item 9.Notice of Dissolution of Group Not applicable Item 10.Certification By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. ___6/8/17____________________________ Date ____s/ Laurence W. Lytton____________________________ Signature _____Laurence W. Lytton___________________________ Name/Title