| 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 |
|---|---|---|---|---|---|---|---|---|---|
Director
1 company
Spencer R Berthelsen is Director at IONS. Spencer R Berthelsen's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $6.5M at current prices.
Historically, Spencer R Berthelsen's trades have earned a middling insider score of 56/100 across 4 rated trades. Over a 12-month horizon, 50.0% of those trades were profitable, with an average 12-month return of +4.0%.
The IONS filings lean toward selling, a net 77,000 shares.
Spencer R Berthelsen has 21 Form 4 filings on record from June 2019 to July 2026, all as Director at Ionis Pharmaceuticals (IONS), 2019–2026.
The 45 reported transactions were 24 option exercises, 14 option or other derivative awards and 7 open-market sales.
Counted by filing, the open-market trades come to no purchases and 6 sales worth about $4.2M.
The largest open-market sale was 15,000 shares of IONS at an average $63.67 on June 24, 2019, about $955K.
All 3 sales since April 2023 were made under a Rule 10b5-1 trading plan, set up in advance.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 15, 2026 | IONS Ionis Pharmaceuticals, Inc. | Director | Sale+OE10b5-1 | 8,000 | $73.49 | $587,920.00 | -4.9% | -30.4% | - | |
| Jun 1, 2026 | IONS Ionis Pharmaceuticals, Inc. | Director | Sale+OE10b5-1 | 8,000 | $75.67 | $605,360.00 | -4.9% | -19.9% | - | |
| Jun 17, 2024 | IONS Ionis Pharmaceuticals Inc | Director | Sale+OE10b5-1 | 16,000 | $40.29 | $644,640.00 | -9.8% | -0.1% | -11.3% | |
| Jun 23, 2021 | IONS Ionis Pharmaceuticals Inc | Director | Sale+OE | 15,000 | $37.74 | $566,100.00 | -12.9% | -4.0% | +3.3% | |
| Jun 23, 2020 | IONS Ionis Pharmaceuticals Inc | Director | Sale+OE | 15,000 | $58.76 | $881,400.00 | -13.4% | - | - | |
| Jun 24, 2019 | IONS Ionis Pharmaceuticals Inc | Director | Sale+OE | 15,000 | $63.67 | $955,112.66 | -13.7% | - | - |