Form 4 for ARDX ARDELYX, INC.
Accepted 2026-01-26 00:00:00 ET · period of report 2026-01-23 · accession 0001610717-26-000023 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-01-26 | 2026-01-23 | ARDX | Foster Eric Duane | Chief Commercial Off | A - Grant | $0.00 | +137.9K | 436.4K | +46% | $0 |
| D | 2026-01-26 | 2026-01-23 | ARDX | Foster Eric Duane | Chief Commercial Off | A - Grant | $0.00 | +206.9K | 206.9K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-23 | A | A | 137,945 | $0.00 | 436,409 | D | — | — | (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) Includes the purchase of 2,780 shares under the Ardelyx Employee Stock Purchase Plan on August 31, 2025. |
| 2 | Derivative | Stock Option (Right to Buy) | 2026-01-23 | A | A | 206,915 | $0.00 | 206,915 | D | $7.77 · — to 2036-01-23 | 206,915 Common Stock | (F3) 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. |