# EDGAR Filing Document

**Accession Number:** 0001517022
**File Stem:** 0001193125-23-058118
**Filing Date:** 2023-3
**Character Count:** 4946
**Document Hash:** c24dc5682a859f5cae00521efed72e08
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-058118.hdr.sgml**: 20230302

**ACCESSION NUMBER**: 0001193125-23-058118

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20230228

**ITEM INFORMATION**: Entry into a Material Definitive Agreement

**FILED AS OF DATE**: 20230302

**DATE AS OF CHANGE**: 20230302

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Akebia Therapeutics, Inc.
- **CENTRAL INDEX KEY:** 0001517022
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **IRS NUMBER:** 208756903
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36352
- **FILM NUMBER:** 23698866

**BUSINESS ADDRESS:**
- **STREET 1:** 245 FIRST STREET
- **CITY:** CAMBRIDGE
- **STATE:** MA
- **ZIP:** 02142
- **BUSINESS PHONE:** 617-871-2098

**MAIL ADDRESS:**
- **STREET 1:** 245 FIRST STREET
- **CITY:** CAMBRIDGE
- **STATE:** MA
- **ZIP:** 02142

?xml version="1.0" encoding="utf-8" ? 8-K

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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

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### FORM 8-K

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#### CURRENT REPORT

#### PURSUANT TO SECTION 13 OR 15(D)

#### OF THE SECURITIES EXCHANGE ACT OF 1934

#### Date of Report (Date of earliest event reported): February 28, 2023

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## AKEBIA THERAPEUTICS, INC.

#### (Exact name of registrant as specified in its charter)

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| | | |
|:---|:---|:---|
| **Delaware** | **001-36352** | **20-8756903** |
| **(State or other jurisdiction**<br> **of incorporation)** | **(Commission**<br> **File Number)** | **(IRS Employer**<br> **Identification No.)** |

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| | |
|:---|:---|
| **245 First Street**<br> **Cambridge, Massachusetts** | **02142** |
| **(Address of principal executive offices)** | **(Zip Code)** |

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#### Registrant's telephone number, including area code: (617) 871-2098

#### N/A

#### (Former name or former address, if changed since last report)

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

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| | |
|:---|:---|
| **Title of each class** | **Name of each exchange**<br> **on which registered** |
| Common Stock, par value $0.00001 per share AKBA | The Nasdaq Capital Market |

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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| | |
|:---|:---|
| **Item 1.01** | **Entry into a Material Definitive Agreement.**  |

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On February 28, 2022, Keryx Biopharmaceuticals, Inc., a wholly-owned subsidiary of Akebia Therapeutics, Inc. (the "Company"), and Siegfried Evionnaz SA ("Siegfried") entered into Amendment No. 5 to Master Manufacturing Services and Supply Agreement (the "Amendment"), which further amends the Master Manufacturing Services and Supply Agreement dated December 20, 2017 (as amended, the "Supply Agreement").

Pursuant to the Amendment, the Company agreed to purchase a minimum quantity of drug substance for Auryxia at a predetermined price. As a result of the Amendment, the term of the Supply Agreement expires on December 31, 2024, subject to the Company's option to extend through December 31, 2026 by providing 12 months' prior written notice to Siegfried.

The foregoing description of the Amendment does not purport to be complete and is qualified in its entirety by reference to the Amendment, a copy of which the Company expects to file as an exhibit to its Quarterly Report on Form 10-Q for the three months ending March 31, 2023.

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#### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | | |
|:---|:---|:---|
|  |  | AKEBIA THERAPEUTICS, INC. |
| Date: March 2, 2023 | By: | /s/ John P. Butler |
|  |  | Name: John P. Butler <br>Title: President and Chief Executive Officer |

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