IONIS PHARMACEUTICALS INC (IONS) has 305 open-market insider trades by 25 insiders since 2016. Over the last six months insiders net bought $1.1M. The most active filer is Stanley T. Crooke, Chairman.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Stanley T. Crooke | Chairman | — | 53 | $62.1M | 2021-01-26 |
| Brett P. Monia | CEO | — | 22 | $52.2M | 2026-06-26 |
| C. Frank Bennett | CSOVP | — | 31 | $28.3M | 2026-07-07 |
| Patrick R. O'Neil | CLOVP | — | 34 | $19.4M | 2026-06-26 |
| B. Lynne Parshall | Dir | — | 18 | $13.8M | 2026-04-15 |
| Richard S. Geary | VP | — | 21 | $12.5M | 2025-11-06 |
| Elizabeth L. Hougen | CFOVP | — | 25 | $9.3M | 2026-03-17 |
| Shannon L. Devers | VP | — | 4 | $6.3M | 2026-04-02 |
| Frederick T. Muto | Dir | — | 8 | $5.2M | 2022-07-15 |
| Joseph Klein III | Dir | — | 23 | $4.4M | 2026-07-01 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Michael R. Hayden | Director | Buy | $1.1M | 2026-07-30 |
| Allene M. Diaz | Director | Sell | $864K | 2026-07-07 |
| C. Frank Bennett | CSO & VP | Sell | $1.7M | 2026-07-07 |
| Holly B. Kordasiewicz | VP | Sell | $31K | 2026-07-07 |
| Joseph Klein III | Director | Sell | $910K | 2026-07-01 |
| Patrick R. O'Neil | CLO & VP | Sell | $246K | 2026-06-26 |
Companies that share insiders with IONS, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Eugene Schneider | VP | Sell | $2.1M | 2026-06-26 |
| Joseph Baroldi | VP | Sell | $452K | 2026-06-26 |
| Eric Swayze | VP | Sell | $839K | 2026-06-25 |
| Brett P. Monia | CEO | Sell | $6.8M | 2026-06-24 |
| Spencer R. Berthelsen | Director | Sell | $588K | 2026-06-15 |
| Holly B. Kordasiewicz | VP | Sell | $4.5M | 2026-06-12 |
| Spencer R. Berthelsen | Director | Sell | $605K | 2026-06-01 |
| Brett P. Monia | CEO | Sell | $356K | 2026-05-13 |
| Joseph Loscalzo | Director | Sell | $5.8M | 2026-05-04 |