IONS SEC Form 4 filings
Ionis Pharmaceuticals Inc Latest Insider Trading Activity
Our insider trading activity tracker for Ionis Pharmaceuticals Inc shows 8 total open-market insider transactions for IONS over the past 63 days. The latest displayed record by transaction date reports 2 purchases by Hayden Michael R (Ionis Pharmaceuticals Inc Director) totaling 20,000 shares at a weighted-average price of $52.94 per share, with the latest transaction dated July 31, 2026. This page shows up to the 5 most recent SEC Form 4 filing records on a 24-hour delay. Sign up for real-time updates and access to 5 years of historic insider trading data.
⚠️ THE SAMPLE BELOW IS DEFERRED BY 24 HOURS ⚠️
Start your 2-week, no-credit-card free trial today to receive get down to the second insider trading updates in this directory or email.
| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| IONS | 2026-07-31 | 2026-07-31 | Ionis Pharmaceuticals Inc | Hayden Michael R | Director | Buy | 2 | 20,000 | $52.94 | $1,058,700.00 | 46.51% | View Filing |
| IONS | 2026-07-09 | 2026-07-07 | Ionis Pharmaceuticals Inc | Bennett C Frank | EVP, Chief Scientific Officer | Sell | 2 | 20,536 | $84.95 | $1,744,623.34 | 21.49% | View Filing |
| IONS | 2026-07-09 | 2026-07-07 | Ionis Pharmaceuticals Inc | Kordasiewicz Holly B. | EVP, Chief Development Officer | Sell | 1 | 362 | $84.30 | $30,516.60 | 1.61% | View Filing |
| IONS | 2026-07-09 | 2026-07-07 | Ionis Pharmaceuticals Inc | Diaz Allene M. | Director | Sell | 1 | 10,111 | $85.42 | $863,637.13 | 72.63% | View Filing |
| IONS | 2026-07-06 | 2026-07-01 | Ionis Pharmaceuticals Inc | Klein Joseph Iii | Director | Sell | 2 | 11,518 | $79.04 | $910,416.46 | 25.62% | View Filing |
Real-time employee trading alerts from SEC Form 4 filings. Sign up for a free trial. No credit card required.
Pricing
Free Trial
10 trading daysExplore every Premium feature before you pay.
- Full platform access
- 10 trading days
- No credit card required
- 5 years of alert history
- Live alert directory updates
Standard Monthly
ScheduledScheduled alerts with complete trade context.
- Email and Telegram delivery
- Alert intervals from every sixty minutes to once daily
- Filter by insider title, buy/sell, transaction value, DRIP, ESPP, 10b5-1, and tax liability coverage transfers
- Highlighted cluster transactions and SEC filing links
- Access to the alert directory hourly refreshes
Premium Monthly
RecommendedFastest alerts with ticker-level control.
- Everything in Standard
- Instant delivery detection-to-outbound time averages 0.85 seconds
- Alert intervals starting from one minute
- Real time alert directory updates