FOSTER ERIC DUANE

PrivateCIK: 2034148
Location

WALTHAM, MA

FOSTER ERIC DUANE (Chief Commercial Officer) sold 1.9% of their position (8K shares) of ARDELYX, INC. on the open market

Open‑market sale worth $50.1K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderFOSTER ERIC DUANECIK 2034148
IssuerARDELYX, INC.CIK 1437402
Officer· Chief Commercial Officer
Since Feb 2026
-8K
Net shares
Net seller
$50.1K
Total sold
3
Open market trades
0B · 3S
3
Total transactions
8K disposed
Non-Derivative Transactions3

Common Stock

Direct
S · Sale

Shares

3.17K

Price / share

$6.27

Trade value

$19.84K

% of position

0.7%
5/21/2026
425.97K422.80K

Common Stock

Direct
S · Sale

Shares

2.43K

Price / share

$6.27

Trade value

$15.21K

% of position

0.6%
5/21/2026
422.80K420.38K

Common Stock

Direct
S · Sale

Shares

2.40K

Price / share

$6.27

Trade value

$15.07K

% of position

0.6%
5/21/2026
420.38K417.97K
Total

Net shares

8K

Net value

-$50.13K

Derivative Transactions0
No derivative transactions reported
FOSTER ERIC DUANE — Insider Transaction (Form 4) Filed May 22, 2026 | Finecho