Company: KROS
Filing Date: 2025-04-23
Form Type: DEF 14A
Source: 0001104659-25-037982
Chunk: 3

Company: Keros Therapeutics, Inc.
Filing Date: 2025-04-23
Form: DEF 14A
Chunk 3
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 in the accompanying proxy statement accompanying this Notice. The record date for the Annual Meeting was April 7, 2025 (the “ Record Date ”). Only stockholders of record at the close of business on the Record Date may vote at the Annual Meeting or any adjournment or postponement thereof. By Order of the Board of Directors, Esther Cho
Corporate Secretary Lexington, Massachusetts
April 23, 2025

TABLE OF CONTENTS

TABLE OF CONTENTS

| ​ | QUESTIONS AND ANSWERS ABOUT THESE PROXY MATERIALS AND VOTING                            | ​ | ​ | ​ | ​ |  1 | ​ | ​ |
| ​ | PROPOSAL 1 – ELECTION OF DIRECTORS                                                      | ​ | ​ | ​ | ​ |  9 | ​ | ​ |
| ​ | INFORMATION REGARDING THE BOARD OF DIRECTORS AND CORPORATE GOVERNANCE                   | ​ | ​ | ​ | ​ | 13 | ​ | ​ |
| ​ | INFORMATION REGARDING COMMITTEES OF THE BOARD OF DIRECTORS                              | ​ | ​ | ​ | ​ | 16 | ​ | ​ |
| ​ | PROPOSAL 2 – RATIFICATION OF SELECTION OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM | ​ | ​ | ​ | ​ | 23 | ​ | ​ |
| ​ | PROPOSAL 3 – ADVISORY VOTE ON EXECUTIVE COMPENSATION                                    | ​ | ​ | ​ | ​ | 25 | ​ | ​ |
| ​ | SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT                          | ​ | ​ | ​ | ​ | 26 | ​ | ​ |
| ​ | EXECUTIVE OFFICERS                                                                      | ​ | ​ | ​ | ​ | 29 | ​ | ​ |
| ​ | COMPENSATION DISCUSSION AND ANALYSIS                                                    | ​ | ​ | ​ | ​ | 30 | ​ | ​ |
| ​ | EXECUTIVE COMPENSATION                                                                  | ​ | ​ | ​ | ​ | 47 | ​ | ​ |
| ​ | ITEM 402(V) PAY VERSUS PERFORMANCE                                                      | ​ | ​ | ​ | ​ | 56 | ​ | ​ |
| ​ | NON-EMPLOYEE DIRECTOR COMPENSATION                                                      | ​ | ​ | ​ | ​ | 60 | ​ | ​ |
| ​ | EQUITY COMPENSATION PLAN INFORMATION                                                    | ​ | ​