Form 4 for ARDX ARDELYX, INC.
Accepted 2026-04-17 16:04:27 ET · period of report 2026-04-15 · accession 0001321402-26-000008 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-04-17 16:04 | 2026-04-15 | ARDX | RAAB MICHAEL | Pres, CEO, Dir | M - OptEx | $0.99 | +20.8K | 1.84M | +1% | +$20.6K |
| DT | 2026-04-17 16:04 | 2026-04-15 | ARDX | RAAB MICHAEL | Pres, CEO, Dir | S - Sale+OE | $6.29 | -41.7K | 1.80M | -2% | -$262.0K |
| DT | 2026-04-17 16:04 | 2026-04-15 | ARDX | RAAB MICHAEL | Pres, CEO, Dir | M - OptEx | $0.00 | -20.8K | 353.3K | -6% | $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 | 2026-04-15 | M | A | 20,834 | $0.99 | 1,837,282 | D | — | — | (F1) Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 7, 2025. |
| 2 | Common | Common Stock | 2026-04-15 | S | D | 41,668 | $6.29 | 1,795,614 | D | — | — | (F1) Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 7, 2025. (F2) Transaction was executed in multiple trades in prices ranging from $6.21 to $6.46, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote. |
| 3 | Derivative | Stock Option (Right to Buy) | 2026-04-15 | M | D | 20,834 | $0.00 | 353,334 | D | $0.99 · — to 2032-01-06 | 20,834 Common Stock | (F1) Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 7, 2025. (F5) 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 6, 2022, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date. |