SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM10-Q (MarkOne) QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period endedMarch31, 2025 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 AKEBIA THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Not Applicable (Former name, former address and formerfiscal year, if changed since last report) Indicate by check mark whether the registrant: (1)hasfiled all reports required to befiled by Sec on13 or 15(d) of the Securi es Exchange Act of 1934 during thepreceding 12 months (or for such shorter period that the registrant was required tofile such reports), and (2)has been subject to suchfiling requirements for the past90 days.YesýNo¨ Indicate by check mark whether the registrant has submi ed electronically every Interac ve Data File required to be submi ed pursuant to Rule 405 of Regula on S-T(§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit suchfiles).YesýNo¨ Indicate by check mark whether the registrant is a large acceleratedfiler, an acceleratedfiler, a non-acceleratedfiler, a smaller repor ng company, or an emerginggrowth company. See the defini ons of “large acceleratedfiler,” “acceleratedfiler,” “smaller repor ng company,” and “emerging growth company” in Rule 12b-2 of theExchange Act. Table of Contents If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transi on period for complying with any new or revisedfinancial accoun ng standards provided pursuant to Sec on 13(a) of the Exchange Act.¨ CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS This Quarterly Report on Form 10-Q contains forward-looking statements that are being made pursuant to the provisions of the U.S.Private Securi es Li ga on Reform Act of 1995 with the inten on of obtaining the benefits of the “safe harbor” provisions of thatAct. All statements contained in this Quarterly Report on Form10-Q other than statements of historical fact are forward-lookingstatements. These forward-looking statements may be accompanied by words such as “an cipate,” “believe,” “build,” “can,”“contemplate,” “con nue,” “could,” “should,” “designed,” “es mate,” “project,” “expect,” “forecast,” “future,” “goal,” “intend,”“likely,” “may,” “plan,” “possible,” “poten al,” “predict,” “strategy,” “seek,” “target,” “will,” “would,” and other words and terms ofsimilar meaning, but the absence of these words does not necessarily mean that a statement is not forward-looking. These forward-looking statements include, but are not limited to, statements about: •our plans with respect to commercializing Vafseo® (vadadustat) and label expansion opportuni es currently underevalua on for Vafseo;•our ability to maintain contracts with dialysis organiza ons for the sale of Auryxia® (ferric citrate) and Vafseo in the U.S.;•the poten al therapeu c benefits, safety profile, and effec veness of Vafseo;•our pipeline and por olio, including its poten al, and our related research and development ac vi es;•the ming, investment and associated ac vi es involved in con nued commercializa on of Auryxia, its growth opportuni esand our ability to execute thereon;•the poten al indica ons, demand and market opportunity, poten al and acceptance of Auryxia and Vafseo, including thesize of eligible pa ent popula ons;•the poten al therapeu c applica ons of the hypoxia inducible factor pathway;•our compe ve posi on, including es mates, developments and projec ons rela ng to our compe tors and their productsand product candidates, and our industry;•our expecta ons, projec ons and es mates regarding our capital requirements, need for addi onal capital,financing ourfuture cash needs, costs, expenses, revenues, capital resources, cashflows,financial performance, profitability, taxobliga ons, liquidity, growth, contractual obliga ons and the period of me our cash resources will fund our currentopera ng plan, es mates with respect to our ability to operate as a going concern, our internal control overfinancialrepor ng and disclosure controls and procedures, and any future deficiencies or material weaknesses in our internalcontrols and procedures;•delivering value broadly to the kidney community, as well as others who may benefit from our medicines, will result indelivering value for stockholders;•the direct or indirect impacts of the COVID-19 pandemic on our business, opera ons and the markets and communi es inwhich we and our partners, collaborators, vendors, and customers operate;•our manufacturing, supply and quality ma ers and any recalls, write-downs, impairments or other related consequences orpoten al consequences;•es mates, beliefs and judgments related to the valua on of goodwill, debt and other assets and liabili es, includingclassifica on of expenses, assets and