John P. Butler - 06 Aug 2026 Form 4 Insider Report for Akebia Therapeutics, Inc. (AKBA)

Reporting relationship: CEO and President, Director
Issuer ticker: AKBA
Reported as of: 06 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 10 Aug 2026, 16:08:41 UTC
Prior SEC filing: 05 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Carolyn M. Rucci, attorney-in-fact for John P. Butler

Key filing fact

John P. Butler filed Form 4 for Akebia Therapeutics, Inc. (AKBA) on 10 Aug 2026.

Key facts

This page summarizes John P. Butler's Form 4 filing for Akebia Therapeutics, Inc. (AKBA).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 10 Aug 2026, 16:08.

Change

Previous filing in this sequence was filed on 05 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001591467 Primary reporting owner

Butler John P.

Relationship: CEO and President, Director
Address: C/O AKEBIA THERAPEUTICS, INC., 245 FIRST STREET, CAMBRIDGE
Signature: /s/ Carolyn M. Rucci, attorney-in-fact for John P. Butler
Signature date: 10 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AKBA transaction

Common Stock

Options Exercise

Transaction value
Shares: +350,000
Change %: +10%
Price: $0.6300^*
Shares after: 3,718,564
Date: 06 Aug 2026
Ownership: Direct
Footnotes: F1

AKBA holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 159,928
Date: 06 Aug 2026
Ownership: Held by Dorothy Butler Revocable Trust November 20, 2007

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AKBA transaction Derivative

Stock Option (Right to buy)

Options Exercise

Transaction value
Shares: -350,000
Change %: -40%
Price: $0.000000^*
Shares after: 525,000
Date: 06 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 350,000
Exercise price: $0.6300
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Includes 1,500 shares of the Issuer's common stock purchased on June 30, 2026 under the Issuer's Amended and Restated 2014 Employee Stock Purchase Plan.

Footnote F2

The options were granted by the Issuer on January 31, 2023 and vest over four years: 25% of the options vested on January 31, 2024 with the remaining 75% vesting in equal quarterly installments thereafter, subject to the reporting person's continued service with the Issuer on each vesting date.