Ardelyx (ARDX) CFO Form 3: 146,896 RSUs, 578,104 option

Ardelyx (ARDX) — Initial ownership filing.

Rhea-AI Filing Summary

Ardelyx (ARDX) — Initial ownership filing. CFO Susan Hohenleitner reported 146,896 RSUs, each deliverable as one share of common stock upon vesting. She also holds a stock option for 578,104 shares at an exercise price of $5.01, expiring 10/13/2035. Twenty five percent of the option vests on 10/13/2026, with the remainder vesting in 36 equal monthly installments, subject to continued service.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Hohenleitner Susan

Role Chief Financial Officer

Type	Security	Shares	Price	Value
holding	Stock Option (Right to Buy)	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Option (Right to Buy) — 578,104 contracts (Direct); Common Stock — 146,896 shares (Direct)

Footnotes (2)

1. 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.
2. F2. Twenty Five Percent (25%) of the shares subject to the option vest on October 13, 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Ardelyx (ARDX) disclose in this Form 3?

CFO Susan Hohenleitner reported initial beneficial ownership, including RSUs and a stock option grant.

How many RSUs did the ARDX CFO report?

She reported 146,896 RSUs, each representing the right to receive one share of common stock upon vesting.

What are the ARDX stock option details?

A stock option for 578,104 shares at an exercise price of $5.01, expiring on 10/13/2035.

What is the vesting schedule for the option?

25% vests on 10/13/2026; the remaining shares vest in 36 equal monthly installments thereafter, subject to continued service.

Who is the reporting person in this ARDX filing?

The reporting person is Susan Hohenleitner, Chief Financial Officer of Ardelyx, Inc.

Does the Form 3 indicate current share ownership or rights to acquire?

It lists RSUs (rights to receive shares upon vesting) and a stock option to purchase shares at a set price.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 11/07/2025 - 04:04 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
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1. Name and Address of Reporting Person^*

Hohenleitner Susan

(Last) (First) (Middle)

C/O ARDELYX, INC.

400 FIFTH AVE, SUITE 210

(Street)

WALTHAM MA 02451

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
11/04/2025

3. Issuer Name and Ticker or Trading Symbol
ARDELYX, INC. [ ARDX ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	146,896(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	(2)	10/13/2035	Common Stock	578,104	$5.01	D

Explanation of Responses:

1. 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.

2. Twenty Five Percent (25%) of the shares subject to the option vest on October 13, 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.

Remarks:

Exhibit 24.1 - Power of Attorney

	/s/ Elizabeth Grammer, Attorney-in-Fact for Susan Hohenleitner	11/07/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.