CIK 0000874015 · Large accelerated filer
IONIS PHARMACEUTICALS INC
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2026-05-04 | LOSCALZO JOSEPH Director | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −12,000 | 0 | ||
| 2026-05-04 | LOSCALZO JOSEPH Director | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −16,000 | 0 | ||
| 2026-05-01 | KLEIN JOSEPH III Director | Option exercise 10b5-1 | +10,111 | $47.11 | $476K | 21,125 |
| 2026-05-01 | KLEIN JOSEPH III Director | Sale 10b5-1 | −8,680 | $73.35 | $637K | 12,445 |
| 2026-05-01 | KLEIN JOSEPH III Director | Sale 10b5-1 | −1,431 | $74.45 | $107K | 11,014 |
| 2026-05-01 | KLEIN JOSEPH III Director | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −10,111 | 0 | ||
| 2026-04-28 | Baroldi Joseph EVP, Chief Business Officer | Sale 10b5-1 | −1,626 | $71.79 | $117K | 44,909 |
| 2026-04-16 | Jenne Kyle EVP, Chf GL Pdt Str Ofcr | Sale | −4,902 | $75.17 | $368K | 23,713 |
| 2026-04-16 | Birchler Brian EVP, Corp and Development Ops | Sale | −973 | $75.04 | $73K | 67,500 |
| 2026-04-16 | Baroldi Joseph EVP, Chief Business Officer | Sale | −5,619 | $74.56 | $419K | 46,535 |
| 2026-04-15 | PARSHALL B LYNNE Director | Sale 10b5-1 | −4,466 | $76.19 | $340K | 51,878 |
| 2026-04-15 | PARSHALL B LYNNE Director | Sale 10b5-1 | −534 | $76.97 | $41K | 51,344 |
| 2026-04-15 | Jenne Kyle EVP, Chf GL Pdt Str Ofcr | Option exercise | +12,226 | 28,615 | ||
| 2026-04-15 | Jenne Kyle EVP, Chf GL Pdt Str Ofcr | Option exercise · Restricted Stock Unit | −12,226 | 74,402 | ||
| 2026-04-15 | Birchler Brian EVP, Corp and Development Ops | Option exercise | +1,875 | 68,473 | ||
| 2026-04-15 | Birchler Brian EVP, Corp and Development Ops | Option exercise · Restricted Stock Unit | −1,875 | 48,926 | ||
| 2026-04-15 | Baroldi Joseph EVP, Chief Business Officer | Option exercise | +10,837 | 52,154 | ||
| 2026-04-15 | Baroldi Joseph EVP, Chief Business Officer | Option exercise · Restricted Stock Unit | −10,837 | 48,312 | ||
| 2026-04-02 | Devers Shannon L. EVP, Chief Human Resources Ofc | Sale 10b5-1 | −6,193 | $74.05 | $459K | 16,348 |
| 2026-04-01 | KLEIN JOSEPH III Director | Option exercise 10b5-1 | +12,000 | $38.06 | $457K | 23,014 |
Page 6 of 18 · 360 trades