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 |
|---|---|---|---|---|---|---|
| 2026-11-10 | Hayden Michael R Director | Purchase | +5,000 | $29.64 | $148K | 27,000 |
| 2026-10-16 | Devers Shannon L. EVP, Chief Human Resources Ofc | Sale | −1,357 | $43.54 | $59K | 17,811 |
| 2026-10-16 | Swayze Eric EVP Research | Sale | −53 | $43.54 | $2K | 390 |
| 2026-10-15 | Devers Shannon L. EVP, Chief Human Resources Ofc | Option exercise | +2,820 | 19,168 | ||
| 2026-10-15 | Devers Shannon L. EVP, Chief Human Resources Ofc | Option exercise · Restricted Stock Unit | −2,820 | 49,884 | ||
| 2026-10-15 | Swayze Eric EVP Research | Option exercise | +125 | 443 | ||
| 2026-10-15 | Swayze Eric EVP Research | Option exercise · Restricted Stock Unit | −125 | 486 | ||
| 2026-08-31 | BENNETT C FRANK EVP, Chief Scientific Officer | Other acquisition | +110 | $51.31 | $6K | 60,128 |
| 2026-08-31 | O'NEIL PATRICK R. EVP CLO & General Counsel | Other acquisition | +63 | $51.31 | $3K | 59,205 |
| 2026-08-31 | Monia Brett P Chief Executive Officer | Other acquisition | +98 | $51.31 | $5K | 242,760 |
| 2026-08-31 | Birchler Brian EVP, Corp and Development Ops | Other acquisition | +58 | $51.31 | $3K | 102,883 |
| 2026-07-31 | Hayden Michael R Director | Purchase | +5,000 | $51.60 | $258K | 24,000 |
| 2026-07-30 | Hayden Michael R Director | Purchase | +15,000 | $53.38 | $801K | 19,000 |
| 2026-07-15 | Reikes Peter N Director | Grant or award · Restricted Stock Unit | +3,399 | 3,399 | ||
| 2026-07-15 | HANTSON LUDWIG Director | Grant or award · Restricted Stock Unit | +3,399 | 3,399 | ||
| 2026-07-15 | HERMAN JOAN E Director | Option exercise | +5,220 | 51,306 | ||
| 2026-07-15 | HERMAN JOAN E Director | Option exercise · Restricted Stock Unit | −5,220 | 2,301 | ||
| 2026-07-15 | BERTHELSEN SPENCER R Director | Option exercise | +5,220 | 161,233 | ||
| 2026-07-15 | BERTHELSEN SPENCER R Director | Option exercise · Restricted Stock Unit | −5,220 | 2,301 | ||
| 2026-07-07 | BENNETT C FRANK EVP, Chief Scientific Officer | Sale 10b5-1 | −5,536 | $83.58 | $463K | 75,018 |
Page 1 of 18 · 360 trades