Foster Eric Duane

Officer · ARDX

As of 2026-09-16, Foster Eric Duane has 17 Form 4 transactions on record across 1 company — 13 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $1.4MIndirect: $0$1.4Mas of 2026-09-16
  • Direct $1.4M
  • Indirect $0
ARDXdirect409,410 sh$1.4M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

ARDX · 17 trades
2026-08-21: Sale, 3,389 sh ($13K)2026-08-21: Sale, 2,598 sh ($10K)2026-08-21: Sale, 2,575 sh ($10K)2026-05-21: Sale, 3,166 sh ($20K)2026-05-21: Sale, 2,427 sh ($15K)2026-05-21: Sale, 2,405 sh ($15K)2026-02-20: Sale, 9,176 sh ($54K)2026-02-20: Sale, 1,261 sh ($7K)2026-02-20: Sale, 1 sh ($6)2026-02-20: Sale, 1 sh ($6)2026-01-23: Award / grant, 206,915 sh ($0)2026-01-23: Award / grant, 137,945 sh ($0)2025-11-21: Sale, 5,814 sh ($32K)2025-08-21: Sale, 15,308 sh ($91K)2025-05-20: Sale, 2,507 sh ($10K)2025-02-25: Award / grant, 205,019 sh ($0)2025-02-25: Award / grant, 136,680 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-21ARDXSale3,389 @ $3.86$13K−0.8% of holding411,985Form 4
2026-08-21ARDXSale2,598 @ $3.86$10K−0.6% of holding415,374Form 4
2026-08-21ARDXSale2,575 @ $3.86$10K−0.6% of holding409,410Form 4
2026-05-21ARDXSale3,166 @ $6.27$20K−0.7% of holding422,804Form 4
2026-05-21ARDXSale2,427 @ $6.27$15K−0.6% of holding420,377Form 4
2026-05-21ARDXSale2,405 @ $6.27$15K−0.6% of holding417,972Form 4
2026-02-20ARDXSale9,176 @ $5.87$54K−2.1% of holding427,233Form 4
2026-02-20ARDXSale1,261 @ $5.71$7K−0.3% of holding425,972Form 4
2026-02-20ARDXSale1 @ $5.71$6−0.0% of holding425,971Form 4
2026-02-20ARDXSale1 @ $5.70$6−0.0% of holding425,970Form 4
2025-11-21ARDXSale5,814 @ $5.54$32K−1.9% of holding295,684Form 4
2025-08-21ARDXSale15,308 @ $5.93$91K−4.8% of holding301,498Form 4
2025-05-20ARDXSale2,507 @ $4.08$10K−0.8% of holding316,806Form 4
4 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-01-23ARDXAward / grant206,915206,915Form 4
2026-01-23ARDXAward / grant137,945436,409Form 4
2025-02-25ARDXAward / grant205,019205,019Form 4
2025-02-25ARDXAward / grant136,680316,680Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.