CIK 0000874015 · Large accelerated filer
IONIS PHARMACEUTICALS INC
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- IONS
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- CA
- Entity type
- operating
- EIN
- 330336973
- Phone
- 7609319200
- Business address
- 2855 GAZELLE COURT, CARLSBAD, CA, 92010
- Former names
- ISIS PHARMACEUTICALS INC
- Open-market buys, last 90 days
- $148,200
- in 1 filing
- Open-market sales, last 90 days
- $61,389
- in 2 filings
Net +$86,811. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-03-04 | Baroldi Joseph EVP, Chief Business Officer | Option exercise 10b5-1 | +201 | $32.60 | $7K | 4,548 |
| 2026-03-04 | Baroldi Joseph EVP, Chief Business Officer | Sale 10b5-1 | −201 | $80.00 | $16K | 4,347 |
| 2026-03-04 | Baroldi Joseph EVP, Chief Business Officer | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −201 | 1,769 | ||
| 2026-03-04 | Baroldi Joseph EVP, Chief Business Officer | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −238 | 3,866 | ||
| 2026-03-03 | LOSCALZO JOSEPH Director | Option exercise 10b5-1 | +832 | $38.06 | $32K | 37,162 |
| 2026-03-03 | LOSCALZO JOSEPH Director | Sale 10b5-1 | −832 | $80.33 | $67K | 36,330 |
| 2026-03-03 | LOSCALZO JOSEPH Director | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −832 | 11,168 | ||
| 2026-03-03 | KLEIN JOSEPH III Director | Option exercise 10b5-1 | +12,000 | $40.05 | $481K | 28,346 |
| 2026-03-03 | KLEIN JOSEPH III Director | Option exercise 10b5-1 | +4,000 | $42.88 | $172K | 32,346 |
| 2026-03-03 | KLEIN JOSEPH III Director | Sale 10b5-1 | −13,526 | $79.17 | $1.1M | 18,820 |
| 2026-03-03 | KLEIN JOSEPH III Director | Sale 10b5-1 | −6,794 | $80.00 | $543K | 12,026 |
| 2026-03-03 | KLEIN JOSEPH III Director | Sale 10b5-1 | −1,012 | $80.82 | $82K | 11,014 |
| 2026-03-03 | KLEIN JOSEPH III Director | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −12,000 | 0 | ||
| 2026-03-03 | KLEIN JOSEPH III Director | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −4,000 | 0 | ||
| 2026-03-03 | Diaz Allene M. Director | Option exercise 10b5-1 | +10,321 | $41.08 | $424K | 28,689 |
| 2026-03-03 | Diaz Allene M. Director | Option exercise 10b5-1 | +12,000 | $38.06 | $457K | 40,689 |
| 2026-03-03 | Diaz Allene M. Director | Option exercise 10b5-1 | +18,000 | $40.05 | $721K | 58,689 |
| 2026-03-03 | Diaz Allene M. Director | Sale 10b5-1 | −39,265 | $79.11 | $3.1M | 19,424 |
| 2026-03-03 | Diaz Allene M. Director | Sale 10b5-1 | −14,608 | $79.88 | $1.2M | 4,816 |
| 2026-03-03 | Diaz Allene M. Director | Sale 10b5-1 | −1,005 | $80.80 | $81K | 3,811 |
Page 9 of 18 · 360 trades