John E. Bishop - 01 Aug 2025 Form 3 Insider Report for ARDELYX, INC. (ARDX)

Reporting relationship: Chief Technical Operations Officer Exhibit 24.1 - Power of Attorney
Issuer ticker: ARDX
Reported as of: 01 Aug 2025
Net transaction value: $0
SEC form: 3
Accepted by SEC: 17 Oct 2025, 18:18:13 UTC
Prior SEC filing: 01 Feb 2024
Next SEC filing: 26 Jan 2026
Source filing: View source filing
Reporting owner signature: /s/ Elizabeth Grammer, Attorney-in-Fact for John Bishop

Key filing fact

John E. Bishop filed Form 3 for ARDELYX, INC. (ARDX) on 17 Oct 2025.

Key facts

This page summarizes John E. Bishop's Form 3 filing for ARDELYX, INC. (ARDX).
0 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 17 Oct 2025, 18:18.

Change

Previous filing in this sequence was filed on 01 Feb 2024.
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

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001308911 Primary reporting owner

Bishop John E

Relationship: Chief Technical Operations Officer Exhibit 24.1 - Power of Attorney
Address: C/O ARDELYX, INC., 400 FIFTH AVENUE, SUITE 210, WALTHAM
Signature: /s/ Elizabeth Grammer, Attorney-in-Fact for John Bishop
Signature date: 17 Oct 2025

Reported non-derivative transactions

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

ARDX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 218,000
Date: 01 Aug 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

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

ARDX holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 01 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 327,000
Exercise price: $4.49
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

Restricted stock units ("RSUs"). The Reporting Person is entitled to receive one (1) shares of Common Stock for each one (1) RSU upon the vesting thereof.

Footnote F2

Twenty Five Percent (25%) of the shares subject to the option vest on July 14, 2026 and the remaining shares subject to the option vest in 36 successive, equal monthly installments thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

SEC remarks

Chief Technical Operations Officer Exhibit 24.1 - Power of Attorney