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Ardelyx (NASDAQ: ARDX) director awarded RSUs and stock options grant

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Ardelyx director William C. Bertrand Jr. reported equity-based compensation grants. On June 16, 2026, he received 26,455 shares of common stock issued under Ardelyx’s Non-Employee Director Compensation Program after electing to take stock instead of cash fees.

He was also granted restricted stock units that convert into one share of common stock per unit upon vesting, issued under the same director program. In addition, he received a stock option for 39,715 shares at an exercise price of $5.67 per share, expiring June 16, 2036, which vests monthly with potential accelerated vesting at the next annual stockholders’ meeting.

Positive

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Negative

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Insider Bertrand William C JR
Role Director
Type Security Shares Price Value
Grant/Award Stock Option (Right to Buy) 39,715 $0.00 $0.00
Grant/Award Common Stock 12,345 $0.00 $0.00
Grant/Award Common Stock 26,455 $0.00 $0.00
Holdings After Transaction: Stock Option (Right to Buy) — 39,715 shares (Direct); Common Stock — 329,507 shares (Direct)
Footnotes (4)
  1. 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.
  2. F2. 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.
  3. F3. The option was issued pursuant to the Issuer's Non-Employee Director Compensation Program.
  4. F4. 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.
Stock received in lieu of cash 26,455 shares Non-Employee Director Compensation Program grant on June 16, 2026
RSUs granted 12,345 units Restricted stock units issued under director compensation program
Stock options granted 39,715 shares Stock Option (Right to Buy) granted on June 16, 2026
Option exercise price $5.67 per share Exercise price for 39,715-share stock option
Option expiration date June 16, 2036 Expiration of director’s 39,715-share stock option grant
Non-Employee Director Compensation Program financial
"The shares were issued pursuant to the Issuer's Non-Employee Director Compensation Program."
Restricted stock units ("RSUs") financial
"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."
Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.
Stock Option (Right to Buy) financial
"Stock Option (Right to Buy) with underlying security title Common Stock."
vesting financial
"The option vests with respect to 1/12th of the shares on each monthly anniversary of the grant date."
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

What insider transaction did Ardelyx (ARDX) disclose for William C. Bertrand Jr.?

Ardelyx reported that director William C. Bertrand Jr. received equity-based compensation grants. These included common stock issued in lieu of cash fees, restricted stock units, and a stock option award, all under the company’s Non-Employee Director Compensation Program.

How many Ardelyx (ARDX) shares did the director receive instead of cash?

The director received 26,455 shares of Ardelyx common stock instead of cash compensation. This election was made under the company’s Non-Employee Director Compensation Program, which allows non-employee directors to take stock in lieu of cash fees.

What restricted stock units were granted in this Ardelyx (ARDX) Form 4?

The filing shows a grant of restricted stock units (RSUs) to the director. Each RSU entitles him to receive one share of Ardelyx common stock upon vesting, and the RSUs were issued under the Non-Employee Director Compensation Program.

What are the key terms of the Ardelyx (ARDX) stock option granted to the director?

The director received a stock option covering 39,715 shares of Ardelyx common stock at an exercise price of $5.67 per share. The option expires on June 16, 2036 and vests monthly, with remaining unvested shares accelerating at the next annual stockholders’ meeting.

Is the Ardelyx (ARDX) director transaction an open-market stock purchase or sale?

The reported activity reflects equity compensation grants, not open-market trading. The director received shares, RSUs, and a stock option award under Ardelyx’s Non-Employee Director Compensation Program, rather than buying or selling shares on the open market.

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

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Bertrand William C JR

(Last)(First)(Middle)
C/O ARDELYX, INC.
400 FIFTH AVENUE, SUITE 210

(Street)
WALTHAM MASSACHUSETTS 02451

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
ARDELYX, INC. [ ARDX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/16/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock06/16/2026A12,345(1)A$0303,052D
Common Stock06/16/2026A26,455(2)A$0329,507D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$5.6706/16/2026A39,715(3) (4)06/16/2036Common Stock39,715$039,715D
Explanation of Responses:
1. 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.
2. 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.
3. The option was issued pursuant to the Issuer's Non-Employee Director Compensation Program.
4. 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.
Remarks:
Exhibit 24.1 - Power of Attorney
/s/ Felecia Ettenberg, Attorney-in-Fact for William Bertrand Jr.06/18/2026
** Signature of Reporting PersonDate
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 4 (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.
* Form 4: SEC 1474 (03-26)