FOSTER ERIC DUANE

PrivateCIK: 2034148
Location

WALTHAM, MA

Senior insider sale

Chief Commercial Officer at ARDELYX, INC. — senior position signals high conviction

$98.1K

19.90K shares

What this filing means

FOSTER ERIC DUANE plans to sell 19.90K shares of ARDELYX, INC. valued at approximately $98.1K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderFOSTER ERIC DUANECIK 2034148
IssuerARDELYX, INC.CIK 1437402
Officer· Chief Commercial Officer
Since Feb 2026
19.90K
Shares to sell
$98.1K
Approx. market value
28.41K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months1
Sort

Vesting of restricted stock units

Services Rendered

8/19/2026
28.41K
Total acquired28.41K
Planned & Completed Dispositions4
Sort

Completed

Completed

Units to sell

3.17K

Market value

$19.8K

5/21/2026
Completed

Units to sell

2.40K

Market value

$15.1K

5/21/2026
Completed

Units to sell

2.43K

Market value

$15.2K

5/21/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

11.90K

Market value

$48.0K

8/21/2026
Total

Units

19.90K

Value

$98.1K