Eric Duane Foster

CIK: 0002034148

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)13 (86.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (13.3%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ARDX

ARDELYX, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (15 total)

ARDX
ARDELYX, INC.
Aug 21, 2026
Sale(S)
Direct
2.6K shares at avg. $3.86$10K
ARDX
ARDELYX, INC.
Aug 21, 2026
Sale(S)
Direct
2.6K shares at avg. $3.86$10K
ARDX
ARDELYX, INC.
Aug 21, 2026
Sale(S)
Direct
3.4K shares at avg. $3.86$13K
ARDX
ARDELYX, INC.
May 21, 2026
Sale(S)
Direct
3.2K shares at avg. $6.27$20K
ARDX
ARDELYX, INC.
May 21, 2026
Sale(S)
Direct
2.4K shares at avg. $6.27$15K
ARDX
ARDELYX, INC.
May 21, 2026
Sale(S)
Direct
2.4K shares at avg. $6.27$15K
ARDX
ARDELYX, INC.
Feb 20, 2026
Sale(S)
Direct
1.3K shares at avg. $5.71$7K
ARDX
ARDELYX, INC.
Feb 20, 2026
Sale(S)
Direct
9.2K shares at avg. $5.87$54K
ARDX
ARDELYX, INC.
Feb 20, 2026
Sale(S)
Direct
1 shares at avg. $5.71$5.705
ARDX
ARDELYX, INC.
Feb 20, 2026
Sale(S)
Direct
1 shares at avg. $5.70$5.7
ARDX
ARDELYX, INC.
Jan 23, 2026
Award(A)
Direct
137.9K shares-
ARDX
ARDELYX, INC.
Nov 21, 2025
Sale(S)
Direct
5.8K shares at avg. $5.54$32K
ARDX
ARDELYX, INC.
Aug 21, 2025
Sale(S)
Direct
15.3K shares at avg. $5.93$91K
ARDX
ARDELYX, INC.
May 20, 2025
Sale(S)
Direct
2.5K shares at avg. $4.08$10K
ARDX
ARDELYX, INC.
Feb 25, 2025
Award(A)
Direct
136.7K shares-

		Type	Shares	Price		Ownership
Aug 21, 2026	ARDX ARDELYX, INC.	Sale(S)	2,598	$3.86	$10,020	Direct
Aug 21, 2026	ARDX ARDELYX, INC.	Sale(S)	2,575	$3.86	$9,932	Direct
Aug 21, 2026	ARDX ARDELYX, INC.	Sale(S)	3,389	$3.86	$13,071	Direct
May 21, 2026	ARDX ARDELYX, INC.	Sale(S)	3,166	$6.27	$19,843	Direct
May 21, 2026	ARDX ARDELYX, INC.	Sale(S)	2,427	$6.27	$15,211	Direct
May 21, 2026	ARDX ARDELYX, INC.	Sale(S)	2,405	$6.27	$15,073	Direct
Feb 20, 2026	ARDX ARDELYX, INC.	Sale(S)	1,261	$5.71	$7,205	Direct
Feb 20, 2026	ARDX ARDELYX, INC.	Sale(S)	9,176	$5.87	$53,817	Direct
Feb 20, 2026	ARDX ARDELYX, INC.	Sale(S)	1	$5.71	$6	Direct
Feb 20, 2026	ARDX ARDELYX, INC.	Sale(S)	1	$5.70	$6	Direct
Jan 23, 2026	ARDX ARDELYX, INC.	Award(A)	137,945	-	$0	Direct
Nov 21, 2025	ARDX ARDELYX, INC.	Sale(S)	5,814	$5.54	$32,192	Direct
Aug 21, 2025	ARDX ARDELYX, INC.	Sale(S)	15,308	$5.93	$90,802	Direct
May 20, 2025	ARDX ARDELYX, INC.	Sale(S)	2,507	$4.08	$10,232	Direct
Feb 25, 2025	ARDX ARDELYX, INC.	Award(A)	136,680	-	-	Direct

1-15 of 15 transactions

About Foster Eric Duane

Foster Eric Duane (SEC CIK 0002034148) files insider reports with the SEC as Chief Commercial Officer of ARDELYX, INC. (ARDX).

Signal8 holds 8 ownership filings by Foster Eric Duane, all Form 4s, filed between Feb 27, 2025 and Aug 25, 2026. Those filings report 15 transactions, from Feb 25, 2025 to Aug 21, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Foster Eric Duane's filings is in WALTHAM, MA.

Recent filings by Foster Eric Duane

Aug 21, 2026: Open-market sales of ARDX shares (3 lines, Form 4, code S).
May 21, 2026: Open-market sales of ARDX shares (3 lines, Form 4, code S).
Feb 20, 2026: Open-market sales of ARDX shares (4 lines, Form 4, code S).
Jan 23, 2026: Grant or award of ARDX shares (Form 4, code A).
Nov 21, 2025: Open-market sale of ARDX shares (Form 4, code S).

Other insiders filing for ARDELYX, INC. (ARDX)

Hohenleitner Susan, Chief Financial Officer
Reilly Joseph James
Bishop John E
Brady James Parker, Chief Human Resources Officer
Kelliher Mike, Chief Business Officer
Williams Laura A, Chief Patient Officer

How to read Form 4 transaction codes