Filing Details

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment 1) (*)(Name of Issuer) Catalyst Biosciences, Inc. (Title of Class of Securities) Common Stock (CUSIP Number) 14888D208 (Date of Event Which Requires Filing of this Statement) April 13, 2017 (*) This amendment is a corrected copy of the original 13G filed on April 13, 2017 in order to include Series A Convertible Preferred shares and, exercisable warrants in the beneficial ownership calculation. 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. 14888D208 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 282,000 (1) 6.Shared Voting Power 7.Sole Dispositive Power 282,000 (1) 8.Shared Dispositive Power 9.Aggregate Amount Beneficially Owned by Each Reporting Person 282,000 (1) (1) includes 194,500 common shares, and 250 Series A Pfd Stock convertible into 50,000 common shares and warrants to purchase 37,500 shares at an exercise price of $5.50 per share. 10.Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)................................. 11.Percent of Class Represented by Amount in Row (9) 6.5% (2) (2) Based on 4,260,161 shares of common stock outstanding as of April 20, 2017, as reported in the Issuers Form 8-K filed with the SEC on April 24, 2017, plus the assumed conversion of reporting persons Series A Pfd Stock (50,000 shares if converted) and warrants (37,500 shares if converted). 12.Type of Reporting Person (See Instructions) IN Item 1. (a)Name of Issuer Catalyst Biosciences, Inc. (b)Address of Issuer's Principal Executive Offices 260 Littlefield Ave. South San Francisco, California