// company-profile

Ardelyx, Inc.

ARDX
ExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings215Insiders23
// api This Ardelyx, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 16 insiders purchased shares. Buying was led by Bhanji Muna.

// 90-day insight

Over the last 90 days, Ardelyx, Inc. insiders bought $0 (16 transactions) and sold $541K (19 transactions).

  • Most active insider: RAAB MICHAEL with 13 transactions totaling $1.2M.
  • Largest single sale: $490K by Williams Laura A on Jun 18, 2026.
  • 17% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity is mixed — buys and sales are roughly balanced.

Institutional Ownership

Top 13F-HR holders of Ardelyx, Inc. as of 2026-03-31

↑ increasing
Total reported AUM
$957.7M
QoQ change
+12.4%
Reporting period
2026-03-31
#1
MILLENNIUM MANAGEMENT LLC
CIK 1273087
$106.9M
17.8M shares
#2
STATE STREET CORP
CIK 93751
$81.5M
13.6M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$62.1M
10.4M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 18, 2026Williams Laura AARDX
Option Exercise10b5
31,000$0.99$31K
Jun 18, 2026Williams Laura AARDX
Option Exercise10b5
31,000$0.00$0K
Jun 18, 2026Williams Laura AARDX
Sale10b5
81,898$5.99$490K
Jun 16, 2026Bhanji MunaARDX
Award
26,455$0.00$0K
Jun 16, 2026Cadoret-Manier OnaizaARDX
Award
26,455$0.00$0K

45 more transactions hidden

Free account · No credit card required

Building something? Get API access →

Popular companies on Form4API

Browse insider trading activity for other actively-filed companies.