0001193805-19-001376.txt : 20191030 0001193805-19-001376.hdr.sgml : 20191030 20191030180441 ACCESSION NUMBER: 0001193805-19-001376 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20191024 FILED AS OF DATE: 20191030 DATE AS OF CHANGE: 20191030 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flynn James E CENTRAL INDEX KEY: 0001352546 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39103 FILM NUMBER: 191181399 MAIL ADDRESS: STREET 1: 780 THIRD AVENUE STREET 2: 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) CENTRAL INDEX KEY: 0001009258 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39103 FILM NUMBER: 191181400 BUSINESS ADDRESS: STREET 1: 780 THIRD AVENUE STREET 2: 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 BUSINESS PHONE: 2125511600 MAIL ADDRESS: STREET 1: 780 THIRD AVENUE, 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 FORMER NAME: FORMER CONFORMED NAME: DEERFIELD MANAGEMENT CO DATE OF NAME CHANGE: 20131114 FORMER NAME: FORMER CONFORMED NAME: DEERFIELD MANAGEMENT CO /NY DATE OF NAME CHANGE: 19981022 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Deerfield Mgmt IV, L.P. CENTRAL INDEX KEY: 0001713467 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39103 FILM NUMBER: 191181401 BUSINESS ADDRESS: STREET 1: 780 THIRD AVENUE, 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 BUSINESS PHONE: 212-551-1600 MAIL ADDRESS: STREET 1: 780 THIRD AVENUE, 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Deerfield Private Design Fund IV, L.P. CENTRAL INDEX KEY: 0001680307 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39103 FILM NUMBER: 191181402 BUSINESS ADDRESS: STREET 1: 780 THIRD AVENUE 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 BUSINESS PHONE: (212)551-1600 MAIL ADDRESS: STREET 1: 780 THIRD AVENUE 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Deerfield Mgmt L.P. CENTRAL INDEX KEY: 0001010823 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39103 FILM NUMBER: 191181403 BUSINESS ADDRESS: STREET 1: 780 THIRD AVENUE STREET 2: 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 BUSINESS PHONE: 2125511600 MAIL ADDRESS: STREET 1: 780 THIRD AVENUE STREET 2: 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 FORMER NAME: FORMER CONFORMED NAME: DEERFIELD CAPITAL LP DATE OF NAME CHANGE: 20050930 FORMER NAME: FORMER CONFORMED NAME: DEERFIELD CAPITAL LP ET AL DATE OF NAME CHANGE: 19960318 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DEERFIELD PARTNERS, L.P. CENTRAL INDEX KEY: 0001301041 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39103 FILM NUMBER: 191181404 BUSINESS ADDRESS: STREET 1: 780 THIRD AVENUE STREET 2: 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 BUSINESS PHONE: 212-551-1600 MAIL ADDRESS: STREET 1: 780 THIRD AVENUE STREET 2: 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 FORMER NAME: FORMER CONFORMED NAME: DEERFIELD PARTNERS, LP DATE OF NAME CHANGE: 20040819 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Deerfield Special Situations Fund, L.P. CENTRAL INDEX KEY: 0001354395 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39103 FILM NUMBER: 191181405 BUSINESS ADDRESS: STREET 1: 780 3RD AVENUE STREET 2: 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 BUSINESS PHONE: 212-551-1600 MAIL ADDRESS: STREET 1: 780 3RD AVENUE STREET 2: 37TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Cabaletta Bio, Inc. CENTRAL INDEX KEY: 0001759138 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2929 ARCH STREET STREET 2: SUITE 600 CITY: PHILADELPHIA STATE: PA ZIP: 19104 BUSINESS PHONE: (267) 759-3100 MAIL ADDRESS: STREET 1: 2929 ARCH STREET STREET 2: SUITE 600 CITY: PHILADELPHIA STATE: PA ZIP: 19104 4 1 e619146_4-cabaletta.xml OWNERSHIP DOCUMENT X0306 4 2019-10-24 1 0001759138 Cabaletta Bio, Inc. CABA 0001352546 Flynn James E 780 THIRD AVENUE, 37TH FLOOR NEW YORK NY 10017 0 0 1 1 Possible Member of 10% Group 0001713467 Deerfield Mgmt IV, L.P. 780 THIRD AVENUE, 37TH FLOOR NEW YORK NY 10017 0 0 1 1 Possible Member of 10% Group 0001009258 DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 780 THIRD AVENUE, 37TH FLOOR NEW YORK NY 10017 0 0 1 1 Possible Member of 10% Group 0001680307 Deerfield Private Design Fund IV, L.P. 780 THIRD AVENUE 37TH FLOOR NEW YORK NY 10017 0 0 1 1 Possible Member of 10% Group 0001010823 Deerfield Mgmt L.P. 780 THIRD AVENUE 37TH FLOOR NEW YORK NY 10017 0 0 1 1 Possible Member of 10% Group 0001354395 Deerfield Special Situations Fund, L.P. 780 THIRD AVENUE 37TH FLOOR NEW YORK NY 10017 0 0 1 1 Possible Member of 10% Group 0001301041 DEERFIELD PARTNERS, L.P. 780 THIRD AVENUE 37TH FLOOR NEW YORK NY 10017 0 0 1 1 Possible Member of 10% Group Common Stock 2019-10-29 4 C 0 464253 A 464253 I Through Deerfield Special Situations Fund, L.P. Common Stock 2019-10-29 4 C 0 464253 A 464253 I Through Deerfield Private Design Fund IV, L.P. Common Stock 2019-10-29 4 P 0 700000 11.00 A 700000 I Through Deerfield Partners, L.P. Series B Preferred Stock 2019-10-29 4 C 0 696379 D Common Stock 464253 0 I Through Deerfield Private Design Fund IV, L.P. Series B Preferred Stock 2019-10-29 4 C 0 696379 D Common Stock 464253 0 I Through Deerfield Special Situations Fund, L.P. Each share of Series B Preferred Stock automatically converted into 0.66666667 shares of the Issuer's common stock upon the closing of the Issuer's initial public offering (on an adjusted basis, after giving effect to the 1-for-1.5 reverse stock split of the Issuer's common stock effected by the Issuer on October 16, 2019). This Form 4 is being filed by the undersigned as well as the entities listed on the Joint Filer Information Statement attached as an exhibit hereto (the "Reporting Persons"). Deerfield Mgmt IV, L.P. is the general partner of Deerfield Private Design Fund IV, L.P. ("Fund IV"). Deerfield Mgmt, L.P. is the general partner of Deerfield Partners, L.P. and Deerfield Special Situations Fund, L.P. (collectively with Fund IV, the "Funds"). Deerfield Management Company, L.P. is the investment manager of the Funds. James E. Flynn is the sole member of the general partner of each of Deerfield Mgmt IV, L.P., Deerfield Mgmt, L.P. and Deerfield Management Company, L.P. In accordance with Instruction 4(b)(iv) to Form 4, the entire amount of the Issuer's securities held by the Funds is reported herein. For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its indirect pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise. Jonathan Isler, Attorney-in-Fact: Power of Attorney, which is hereby incorporated by reference to Exhibit 24 to a Form 3 with regard to Proteon Therapeutics, Inc. filed with the Securities and Exchange Commission on August 4, 2017 by Deerfield Special Situations Fund, L.P., Deerfield Partners, L.P., Deerfield International Master Fund, L.P., Deerfield Private Design Fund III, L.P., Deerfield Private Design Fund IV, L.P., Deerfield Mgmt, L.P., Deerfield Mgmt III, L.P., Deerfield Mgmt IV, L.P., Deerfield Management Company, L.P., and James E. Flynn. /s/ Jonathan Isler, Attorney-in-Fact 2019-10-30 EX-99 2 e619146_ex99.htm

Joint Filer Information

Names:	Deerfield Mgmt IV, L.P., Deerfield Mgmt, L.P., Deerfield Management Company, L.P., Deerfield Private Design Fund IV, L.P., Deerfield Partners, L.P. and Deerfield Special Situations Fund, L.P.

Address:	780 Third Avenue, 37^th Floor New York, NY 10017

Designated Filer:	James E. Flynn

Issuer and Ticker Symbol:	Cabaletta Bio, Inc. [CABA]

Date of Event Requiring Statement:	October 29, 2019

The undersigned, Deerfield Mgmt IV, L.P., Deerfield Mgmt, L.P., Deerfield Management Company, L.P., Deerfield Private Design Fund IV, L.P., Deerfield Partners, L.P. and Deerfield Special Situations Fund, L.P. are jointly filing the attached Statement of Changes in Beneficial Ownership on Form 4 with James E. Flynn with respect to the beneficial ownership of securities of Cabaletta Bio, Inc.

Signatures:

DEERFIELD MGMT, L.P.

By: J.E. Flynn Capital, LLC, General Partner

By: /s/ Jonathan Isler