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Ardelyx (ARDX) awards John E. Bishop RSUs and 186,500-share option

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Ardelyx, Inc. reported an equity award to executive John E. Bishop, its Chief Technical and Quality Officer. On January 23, 2026, he received 124,330 shares of Common Stock in the form of restricted stock units, at a price of $0 per share, bringing his directly held Common Stock to 342,330 shares after the grant. He was also granted a stock option for 186,500 shares of Common Stock with an exercise price of $7.77 per share. The option vests in 48 equal monthly installments beginning on January 23, 2026, subject to his continued employment or service, and is exercisable through January 23, 2036.

Positive

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Negative

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Insider Bishop John E
Role See Remarks
Type Security Shares Price Value
Grant/Award Stock Option (Right to Buy) 186,500 $0.00 --
Grant/Award Common Stock 124,330 $0.00 --
Holdings After Transaction: Stock Option (Right to Buy) — 186,500 shares (Direct); Common Stock — 342,330 shares (Direct)
Footnotes (1)
  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. The option becomes exercisable as it vests and the shares subject to the option vest in 48 successive, equal monthly installments on each monthly anniversary of January 23, 2026, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED 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*
Bishop John E
(Last) (First) (Middle)
C/O ARDELYX, INC.
400 FIFTH AVENUE, SUITE 210
(Street)
WALTHAM MA 02451
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
ARDELYX, INC. [ ARDX ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
See Remarks
3. Date of Earliest Transaction (Month/Day/Year)
01/23/2026
4. 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 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)
Code V Amount (A) or (D) Price
Common Stock 01/23/2026 A 124,330(1) A $0 342,330 D
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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) $7.77 01/23/2026 A 186,500 (2) 01/23/2036 Common Stock 186,500 $0 186,500 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. The option becomes exercisable as it vests and the shares subject to the option vest in 48 successive, equal monthly installments on each monthly anniversary of January 23, 2026, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.
Remarks:
Chief Technical and Quality Officer
/s/ Elizabeth Grammer, Attorney-in-Fact for John Bishop 01/26/2026
** 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 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Ardelyx (ARDX) report for John E. Bishop?

Ardelyx reported that John E. Bishop received 124,330 shares of Common Stock via restricted stock units and a stock option for 186,500 shares of Common Stock on January 23, 2026.

How many Ardelyx (ARDX) shares does John E. Bishop own after this transaction?

Following the reported transaction, John E. Bishop directly beneficially owns 342,330 shares of Ardelyx Common Stock, plus a stock option covering 186,500 shares.

What are the terms of John E. Bishop’s new Ardelyx stock option?

The new stock option covers 186,500 shares of Ardelyx Common Stock at an exercise price of $7.77 per share. It becomes exercisable as it vests and vests in 48 equal monthly installments starting on January 23, 2026, subject to his continued employment or service with Ardelyx.

What are the restricted stock units (RSUs) granted to John E. Bishop by Ardelyx?

The filing identifies 124,330 restricted stock units. Each RSU entitles John E. Bishop to receive one share of Ardelyx Common Stock upon vesting.

What is John E. Bishop’s role at Ardelyx (ARDX)?

The remarks in the filing state that John E. Bishop serves as Chief Technical and Quality Officer of Ardelyx, Inc.

When does John E. Bishop’s new Ardelyx stock option expire?

The stock option granted to John E. Bishop expires on January 23, 2036, as disclosed in the filing.