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 |
|---|---|---|---|---|---|---|
| 2026-04-01 | KLEIN JOSEPH III Director | Option exercise 10b5-1 | +10,321 | $41.08 | $424K | 33,335 |
| 2026-04-01 | KLEIN JOSEPH III Director | Sale 10b5-1 | −20,105 | $75.50 | $1.5M | 13,230 |
| 2026-04-01 | KLEIN JOSEPH III Director | Sale 10b5-1 | −2,216 | $75.95 | $168K | 11,014 |
| 2026-04-01 | KLEIN JOSEPH III Director | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −12,000 | 0 | ||
| 2026-04-01 | KLEIN JOSEPH III Director | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −10,321 | 0 | ||
| 2026-03-19 | Schneider Eugene EVP, Chf Clinical Develop Ofcr | Sale 10b5-1 | −5,812 | $70.97 | $412K | 63,890 |
| 2026-03-17 | HOUGEN ELIZABETH L EVP, Finance & CFO | Sale 10b5-1 | −10,172 | $73.21 | $745K | 82,660 |
| 2026-03-16 | HOUGEN ELIZABETH L EVP, Finance & CFO | Option exercise 10b5-1 | +60,299 | $60.89 | $3.7M | 193,180 |
| 2026-03-16 | HOUGEN ELIZABETH L EVP, Finance & CFO | Option exercise 10b5-1 | +61,041 | $56.78 | $3.5M | 254,221 |
| 2026-03-16 | HOUGEN ELIZABETH L EVP, Finance & CFO | Option exercise 10b5-1 | +33,118 | $32.60 | $1.1M | 287,339 |
| 2026-03-16 | HOUGEN ELIZABETH L EVP, Finance & CFO | Option exercise 10b5-1 | +20,541 | $37.58 | $772K | 307,880 |
| 2026-03-16 | HOUGEN ELIZABETH L EVP, Finance & CFO | Sale 10b5-1 | −205,608 | $72.38 | $14.9M | 102,272 |
| 2026-03-16 | HOUGEN ELIZABETH L EVP, Finance & CFO | Sale 10b5-1 | −9,440 | $72.77 | $687K | 92,832 |
| 2026-03-16 | HOUGEN ELIZABETH L EVP, Finance & CFO | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −33,118 | 0 | ||
| 2026-03-16 | HOUGEN ELIZABETH L EVP, Finance & CFO | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −20,541 | 5,405 | ||
| 2026-03-16 | HOUGEN ELIZABETH L EVP, Finance & CFO | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −61,041 | 0 | ||
| 2026-03-16 | HOUGEN ELIZABETH L EVP, Finance & CFO | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −60,299 | 0 | ||
| 2026-03-10 | Monia Brett P Chief Executive Officer | Option exercise 10b5-1 | +34,103 | $60.89 | $2.1M | 276,765 |
| 2026-03-10 | Monia Brett P Chief Executive Officer | Sale 10b5-1 | −16,512 | $75.47 | $1.2M | 260,253 |
| 2026-03-10 | Monia Brett P Chief Executive Officer | Sale 10b5-1 | −17,591 | $76.34 | $1.3M | 242,662 |
Page 7 of 18 · 360 trades