0001209191-21-025528.txt : 20210405 0001209191-21-025528.hdr.sgml : 20210405 20210405211120 ACCESSION NUMBER: 0001209191-21-025528 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210401 FILED AS OF DATE: 20210405 DATE AS OF CHANGE: 20210405 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Knowles Julius CENTRAL INDEX KEY: 0001808365 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39264 FILM NUMBER: 21807819 MAIL ADDRESS: STREET 1: C/O KEROS THERAPEUTICS, INC. STREET 2: 99 HAYDEN AVENUE, SUITE 120, BUILDING E CITY: LEXINGTON STATE: MA ZIP: 02421 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Keros Therapeutics, Inc. CENTRAL INDEX KEY: 0001664710 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 99 HAYDEN AVENUE, SUITE 120 (BLD E) STREET 2: LEDGEMONT TECHNOLOGY CENTER CITY: LEXINGTON STATE: MA ZIP: 02421 BUSINESS PHONE: 617-513-8774 MAIL ADDRESS: STREET 1: 99 HAYDEN AVENUE, SUITE 120 (BLD E) STREET 2: LEDGEMONT TECHNOLOGY CENTER CITY: LEXINGTON STATE: MA ZIP: 02421 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-04-01 0 0001664710 Keros Therapeutics, Inc. KROS 0001808365 Knowles Julius C/O KEROS THERAPEUTICS, INC. 99 HAYDEN AVENUE, SUITE 120, BUILDING E LEXINGTON MA 02421 1 0 0 0 Common Stock 2021-04-01 4 S 0 3790 58.42 D 626197 I See footnote Common Stock 2021-04-01 4 S 0 2472 58.42 D 418353 I See footnote Common Stock 2021-04-01 4 S 0 2350 59.08 D 623847 I See footnote Common Stock 2021-04-01 4 S 0 1533 59.08 D 416820 I See footnote Common Stock 2021-04-01 4 S 0 434 60.82 D 623413 I See footnote Common Stock 2021-04-01 4 S 0 283 60.82 D 416537 I See footnote Common Stock 2021-04-01 4 S 0 206 61.36 D 623207 I See footnote Common Stock 2021-04-01 4 S 0 134 61.36 D 416403 I See footnote Common Stock 2021-04-05 4 S 0 298 58.66 D 622909 I See footnote Common Stock 2021-04-05 4 S 0 195 58.66 D 416208 I See footnote Common Stock 2021-04-05 4 S 0 5445 59.76 D 617464 I See footnote Common Stock 2021-04-05 4 S 0 3551 59.76 D 412657 I See footnote Common Stock 2021-04-05 4 S 0 10690 60.26 D 606774 I See footnote Common Stock 2021-04-05 4 S 0 6972 60.26 D 405685 I See footnote The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.94 to $58.86 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2), (5), (6), (7), (8), (9) and (10). The securities are held by Partners Innovation Fund, LLC ("PIF I"). Partners Innovation Fund, LLC ("Partners GP I") is the ultimate general partner of PIF I. The Reporting Person, a member of the board of directors of the Issuer, is a partner of Partners GP I and as a result, may be deemed to share voting and investment power with respect to the shares held by PIF I. The securities are held by Partners Innovation Fund II, L.P. ("PIF II"). Partners Innovation Fund II, LLC ("Partners GP II") is the ultimate general partner of PIF II. The Reporting Person, a member of the board of directors of the Issuer, is a partner of Partners GP II and as a result, may be deemed to share voting and investment power with respect to the shares held by PIF II. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.005 to $59.13 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.20 to $61.19 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.20 to $61.41 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.02 to $59.00 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.03 to $60.025 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.03 to $60.75 inclusive. /s/ Keith Regnante, Attorney-in-Fact 2021-04-05