# Ionis Pharmaceuticals Inc (IONS) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/ions

> 17 non-derivative transactions: 2 purchases ($1.1M), 6 sales ($3.5M). CIK 874015.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-08-31 | Birchler Brian | Officer | J | 58.0 | 51.31 | 102883.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000259/0000874015-26-000259-index.htm |
| 2026-08-31 | Monia Brett P | Director, Officer | J | 98.0 | 51.31 | 242760.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000260/0000874015-26-000260-index.htm |
| 2026-08-31 | O'NEIL PATRICK R. | Officer | J | 63.0 | 51.31 | 59205.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000261/0000874015-26-000261-index.htm |
| 2026-08-31 | BENNETT C FRANK | Officer | J | 110.0 | 51.31 | 60128.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000262/0000874015-26-000262-index.htm |
| 2026-07-31 | Hayden Michael R | Director | P | 5000.0 | 51.6 | 24000.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000254/0000874015-26-000254-index.htm |
| 2026-07-30 | Hayden Michael R | Director | P | 15000.0 | 53.38 | 19000.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000254/0000874015-26-000254-index.htm |
| 2026-07-15 | BERTHELSEN SPENCER R | Director | M | 5220.0 | 0.0 | 161233.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000244/0000874015-26-000244-index.htm |
| 2026-07-15 | HERMAN JOAN E | Director | M | 5220.0 | 0.0 | 51306.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000245/0000874015-26-000245-index.htm |
| 2026-07-07 | Kordasiewicz Holly B. | Officer | S | 362.0 | 84.3 | 22096.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000236/0000874015-26-000236-index.htm |
| 2026-07-07 | Diaz Allene M. | Director | S | 10111.0 | 85.42 | 3811.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000237/0000874015-26-000237-index.htm |
| 2026-07-07 | Diaz Allene M. | Director | M | 10111.0 | 47.11 | 13922.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000237/0000874015-26-000237-index.htm |
| 2026-07-07 | BENNETT C FRANK | Officer | S | 15000.0 | 85.46 | 0.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000239/0000874015-26-000239-index.htm |
| 2026-07-07 | BENNETT C FRANK | Officer | S | 5536.0 | 83.58 | 75018.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000239/0000874015-26-000239-index.htm |
| 2026-07-07 | BENNETT C FRANK | Officer | J | 15000.0 | 0.0 | 15000.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000239/0000874015-26-000239-index.htm |
| 2026-07-01 | KLEIN JOSEPH III | Director | M | 11518.0 | 39.94 | 22532.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000229/0000874015-26-000229-index.htm |
| 2026-07-01 | KLEIN JOSEPH III | Director | S | 99.0 | 79.45 | 22433.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000229/0000874015-26-000229-index.htm |
| 2026-07-01 | KLEIN JOSEPH III | Director | S | 11419.0 | 79.04 | 11014.0 | https://www.sec.gov/Archives/edgar/data/874015/000087401526000229/0000874015-26-000229-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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