| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Insider activity in IONS over the last quarter tilts toward buying: insiders added a net 20,000 shares worth roughly $1.1M.
Classified under Biotechnology (Health Care sector), IONS's insider flows are most useful compared with peers in the same group.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 242.8K | $12.46M | - | |
| Dir | 161.2K | - | - | |
| VP | 102.9K | $5.28M | - | |
| CFO | 82.7K | $6.05M | - | |
| VP | 60.1K | $3.08M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 15, 2026 | Berthelsen Spencer R | Director | Sale+OE | 8,000 | $73.49 | $587,920.00 | -4.9% | - | - | |
| Jun 12, 2026 | Kordasiewicz Holly B. | EVP, Chief Development Officer | Sale+OE | 60,846 | $73.41 | $4,466,427.83 | -73.0% | - | - | |
| Jun 1, 2026 | Berthelsen Spencer R | Director | Sale+OE | 8,000 | $75.67 | $605,360.00 | -4.9% | - | - | |
| May 14, 2026 | Monia Brett P60 | Chief Executive Officer | Sale+OE | 4,536 | $78.49 | $356,012.45 | -1.8% | - | - | |
| Apr 16, 2026 | Baroldi Joseph53 | EVP, Chief Business Officer | Sale+OE | 5,619 | $74.56 | $418,952.64 | -10.8% | -27.3% | - | |
| Apr 16, 2026 | Birchler Brian55 | EVP, Corp And Development Ops | Sale+OE | 973 | $75.04 | $73,015.87 | -1.4% | -27.3% | - | |
| Apr 16, 2026 | Jenne Kyle | EVP, Chf Gl Pdt Str Ofcr | Sale+OE | 4,902 | $75.17 | $368,488.24 | -17.1% | -27.3% | - | |
| Apr 15, 2026 | Parshall B Lynne74 | Director | Sell | 5,000 | $76.27 | $381,366.52 | -8.9% | -28.5% | - | |
| Mar 17, 2026 | Hougen Elizabeth L55 | EVP, Finance &CFO | Sale+OE | 225,220 | $72.43 | $16,313,675.85 | -73.2% | +1.3% | - | |
| Mar 10, 2026 | Jenne Kyle | EVP, Chf Gl Pdt Str Ofcr | Sale+OE | 37,277 | $75.85 | $2,827,324.68 | -76.1% | - | - |