David M. Mott - 16 Jun 2026 Form 4 Insider Report for ARDELYX, INC. (ARDX)

Reporting relationship: Director
Issuer ticker: ARDX
Reported as of: 16 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 Jun 2026, 16:07:32 UTC
Prior SEC filing: 23 Feb 2026
Next SEC filing: 23 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Felecia Ettenberg, Attorney-in-Fact for David Mott

Key filing fact

David M. Mott filed Form 4 for ARDELYX, INC. (ARDX) on 18 Jun 2026.

Key facts

This page summarizes David M. Mott's Form 4 filing for ARDELYX, INC. (ARDX).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 18 Jun 2026, 16:07.

Change

Previous filing in this sequence was filed on 23 Feb 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 0001219871 Primary reporting owner

MOTT DAVID M

Relationship: Director
Address: C/O ARDELYX, INC., 400 FIFTH AVENUE, SUITE 210, WALTHAM
Signature: /s/ Felecia Ettenberg, Attorney-in-Fact for David Mott
Signature date: 18 Jun 2026

Reported non-derivative transactions

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

ARDX transaction

Common Stock

Award

Transaction value
Shares: +20,282
Change %: +0.61%
Price: $0.000000^*
Shares after: 3,323,200
Date: 16 Jun 2026
Ownership: Direct
Footnotes: F1, F2

ARDX transaction

Common Stock

Award

Transaction value
Shares: +26,455
Change %: +0.8%
Price: $0.000000^*
Shares after: 3,349,655
Date: 16 Jun 2026
Ownership: Direct
Footnotes: F2, F3

Reported derivative securities

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

ARDX transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +39,715
Change %
Price: $0.000000^*
Shares after: 39,715
Date: 16 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 39,715
Exercise price: $5.67
Footnotes: F4, F5

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

The shares were issued pursuant to the Issuer's Non-Employee Director Compensation Program. The Reporting Person elected to receive stock in lieu of cash as permitted under the program.

Footnote F2

The Reporting Person holds 87,566 shares for the benefit of entities associated with New Enterprise Associates and disclaims beneficial ownership of such shares, except to the extent of his actual pecuniary interest therein.

Footnote F3

Restricted stock units ("RSUs"). The Reporting Person is entitled to receive one (1) share of Common Stock for each one (1) RSU upon the vesting thereof. The RSUs were issued pursuant to the Issuer's Non-Employee Director Compensation Program.

Footnote F4

The option was issued pursuant to the Issuer's Non-Employee Director Compensation Program.

Footnote F5

The option vests with respect to 1/12th of the shares subject thereto on each monthly anniversary of the grant date, which vesting will accelerate in full on the date of the next annual stockholder's meeting to the extent unvested as of such date, subject to continued service through each applicable vesting date.

SEC remarks

Exhibit 24.1 - Power of Attorney