Ardelyx (ARDX) Form 3: 218,000 RSUs, 327,000 options disclosed

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

An officer reported 218,000 Common Stock tied to RSUs and a stock option for 327,000 shares at $4.49 per share.

Q: What is the vesting schedule for the reported Ardelyx (ARDX) stock option?

25% vests on 07/14/2026, with the balance vesting in 36 monthly installments thereafter, subject to continued service.

Q: How many Ardelyx (ARDX) RSUs were reported?

The filing lists 218,000 RSUs, each convertible into one share of Common Stock upon vesting.

Q: What is the officer’s role noted in the Ardelyx (ARDX) filing?

The reporting person is the Chief Technical Operations Officer.

Q: Is the ownership direct or indirect in the Ardelyx (ARDX) Form 3?

The reported holdings are listed as Direct (D) ownership.

Ardelyx (ARDX) reported an initial Form 3 for a company officer.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

How Sentiment works How the balance works

Form Type

Rhea-AI Filing Summary

Ardelyx (ARDX) reported an initial Form 3 for a company officer. The filing lists 218,000 shares of Common Stock tied to restricted stock units, each RSU settling into one share upon vesting. It also discloses a stock option for 327,000 shares at an exercise price of $4.49, expiring on 07/14/2035.

Per the vesting terms, 25% of the option vests on 07/14/2026, with the remainder vesting in 36 equal monthly installments thereafter, subject to continued service. The reporting person is identified as the company’s Chief Technical Operations Officer, and the event date is 08/01/2025.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Bishop John E

Role See Remarks

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

Holdings After Transaction: Stock Option (Right to Buy) — 327,000 contracts (Direct); Common Stock — 218,000 shares (Direct)

Footnotes (2)

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.
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.

FAQ

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

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

An officer reported 218,000 Common Stock tied to RSUs and a stock option for 327,000 shares at $4.49 per share.

What is the vesting schedule for the reported Ardelyx (ARDX) stock option?

25% vests on 07/14/2026, with the balance vesting in 36 monthly installments thereafter, subject to continued service.

What is the expiration date and exercise price of the Ardelyx (ARDX) option?

The option expires on 07/14/2035 and has an exercise price of $4.49 per share.

How many Ardelyx (ARDX) RSUs were reported?

The filing lists 218,000 RSUs, each convertible into one share of Common Stock upon vesting.

What is the officer’s role noted in the Ardelyx (ARDX) filing?

The reporting person is the Chief Technical Operations Officer.

What is the event date for this Ardelyx (ARDX) Form 3?

The date of the event requiring the statement is 08/01/2025.

Is the ownership direct or indirect in the Ardelyx (ARDX) Form 3?

The reported holdings are listed as Direct (D) ownership.

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

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Accepted by SEC EDGAR 10/17/2025 - 06:18 PM

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
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Bishop John E

(Last)

(First)

(Middle)

C/O ARDELYX, INC.

400 FIFTH AVENUE, SUITE 210

(Street)

WALTHAM

02451

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
08/01/2025

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)
	See Remarks

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	218,000⁽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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Stock Option (Right to Buy)	⁽²⁾	07/14/2035	Common Stock	327,000	$4.49	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 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.

Remarks:

Chief Technical Operations Officer Exhibit 24.1 - Power of Attorney

	/s/ Elizabeth Grammer, Attorney-in-Fact for John Bishop	10/17/2025
	** 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.

Source: View Original Filing on SEC EDGAR