0001231919-26-000390.txt : 20260422 0001231919-26-000390.hdr.sgml : 20260422 20260422161507 ACCESSION NUMBER: 0001231919-26-000390 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260420 FILED AS OF DATE: 20260422 DATE AS OF CHANGE: 20260422 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: RTW INVESTMENTS, LP CENTRAL INDEX KEY: 0001493215 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-43233 FILM NUMBER: 26883965 BUSINESS ADDRESS: STREET 1: 40 10TH AVENUE STREET 2: 7TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 BUSINESS PHONE: 646-597-6980 MAIL ADDRESS: STREET 1: 40 10TH AVENUE STREET 2: 7TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 FORMER NAME: FORMER CONFORMED NAME: RTW INVESTMENTS, LLC DATE OF NAME CHANGE: 20100602 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WONG RODERICK CENTRAL INDEX KEY: 0001493280 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-43233 FILM NUMBER: 26883964 MAIL ADDRESS: STREET 1: C/O RTW INVESTMENTS, LP STREET 2: 40 10TH AVENUE, 7TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Kailera Therapeutics, Inc. CENTRAL INDEX KEY: 0002096997 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences EIN: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 180 THIRD AVENUE STREET 2: 4TH FLOOR CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 508-440-9475 MAIL ADDRESS: STREET 1: 180 THIRD AVENUE STREET 2: 4TH FLOOR CITY: WALTHAM STATE: MA ZIP: 02451 4 1 form4-04222026_040401.xml X0609 4 2026-04-20 1 0002096997 Kailera Therapeutics, Inc. KLRA 0001493215 RTW INVESTMENTS, LP false 40 10TH AVENUE, FLOOR 7 NEW YORK NY 10014 false false true false 0001493280 WONG RODERICK false C/O RTW INVESTMENTS, LP 40 10TH AVENUE, FLOOR 7 NEW YORK NY 10014 0 0 1 0 0 Common Stock 2026-04-20 4 C 0 10276820 A 10276820 I See footnote Common Stock 2026-04-20 4 P 0 500000 16 A 10776820 I See footnote Series A Preferred Stock 2026-04-20 4 C 0 8250000 D Common Stock 8250000 0 I See footnote Series B Preferred Stock 2026-04-20 4 C 0 2026820 D Common Stock 2026820 0 I See footnote Each share of Series A Preferred Stock and Series B Preferred Stock automatically converted into shares of Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration on a 1-for-1 basis and had no expiration date. Held by certain affiliated funds managed by RTW Investments, LP ("RTW"). Roderick Wong, M.D. serves as the Managing Partner and Chief Investment Officer of RTW. The Reporting Persons disclaim beneficial ownership of the reported securities for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, except to the extent of their pecuniary interest therein. /s/ Roderick Wong, for RTW Investments, LP, By: Roderick Wong, M.D., Managing Partner 2026-04-22 /s/ Roderick Wong, By: Roderick Wong, M.D. 2026-04-22