Updated Jul 16, 2026
Hayden Michael R has filed 2 SEC Form 4 filings across 2 companies in the last 90 days — buying. Lifetime open-market purchases: $181K.

| Role | Director |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-10-31 | ETNB | 89bio, Inc. | J — Other acquisition / disposition | 61.5K | — | |
| 2025-10-31 | ETNB | 89bio, Inc. | J — Other acquisition / disposition | 104.0K | — | |
| 2025-10-31 | ETNB | 89bio, Inc. | J — Other acquisition / disposition | 80.9K | — | |
| 2025-07-15 | IONS | IONIS PHARMACEUTICALS INC | M — Option exercise | 4.1K | $0.00 | |
| 2024-12-26 | IONS | IONIS PHARMACEUTICALS INC | P — Open-market purchase | 2.5K | $36.23 | $91K |
| 2024-12-26 | IONS | IONIS PHARMACEUTICALS INC | P — Open-market purchase | 2.5K | $36.20 | $90K |
Hayden Michael R is a corporate insider — currently tracked as Director of IONIS PHARMACEUTICALS INC (IONS). InsiderAlpha tracks every SEC Form 4 filing in real time.
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 2 open-market purchases ($181K) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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