ARDELYX, INC. — Director's Dealing 2019

Jan 5, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARDELYX, INC. (ARDX)
CIK: 0001437402
Period of Report: 2019-01-02

Reporting Person: Rosenbaum David P. (Chief Development Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-01-02	Common Stock	S	5585	$1.7015	Disposed	160027	Direct
2019-01-02	Common Stock	S	801	$1.7015	Disposed	18029	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	77592	Indirect

Footnotes

F1: Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units ("RSUs") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes.

F2: This transaction was executed in multiple trades in prices ranging from $1.70 to $1.7335, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F3: This transaction was executed in multiple trades in prices ranging from $1.70 to $1.7326, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F4: The shares are directly held by the Reporting Person's wife.

F5: The shares are directly held by David Paul Rosenbaum and Susan Edelstein Rosenbaum, Trustees of the David Paul Rosenbaum Family Trust.