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 |
|---|---|---|---|---|---|---|
| 2026-06-25 | Swayze Eric EVP Research | Sale 10b5-1 | −10,602 | $79.18 | $839K | 21,759 |
| 2026-06-24 | Monia Brett P Chief Executive Officer | Option exercise 10b5-1 | +14,565 | $32.60 | $475K | 260,136 |
| 2026-06-24 | Monia Brett P Chief Executive Officer | Sale 10b5-1 | −14,565 | $78.41 | $1.1M | 245,571 |
| 2026-06-24 | Monia Brett P Chief Executive Officer | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −14,565 | 21,072 | ||
| 2026-06-15 | BERTHELSEN SPENCER R Director | Option exercise 10b5-1 | +8,000 | $24.42 | $195K | 164,013 |
| 2026-06-15 | BERTHELSEN SPENCER R Director | Sale 10b5-1 | −8,000 | $73.49 | $588K | 156,013 |
| 2026-06-15 | BERTHELSEN SPENCER R Director | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −8,000 | 0 | ||
| 2026-06-12 | Kordasiewicz Holly B. EVP, Chief Development Officer | Option exercise 10b5-1 | +7,951 | $60.89 | $484K | 30,409 |
| 2026-06-12 | Kordasiewicz Holly B. EVP, Chief Development Officer | Option exercise 10b5-1 | +21,000 | $60.89 | $1.3M | 51,409 |
| 2026-06-12 | Kordasiewicz Holly B. EVP, Chief Development Officer | Option exercise 10b5-1 | +12,000 | $32.60 | $391K | 63,409 |
| 2026-06-12 | Kordasiewicz Holly B. EVP, Chief Development Officer | Option exercise 10b5-1 | +19,895 | $56.78 | $1.1M | 83,304 |
| 2026-06-12 | Kordasiewicz Holly B. EVP, Chief Development Officer | Sale 10b5-1 | −41,004 | $73.09 | $3.0M | 42,300 |
| 2026-06-12 | Kordasiewicz Holly B. EVP, Chief Development Officer | Sale 10b5-1 | −19,842 | $74.05 | $1.5M | 22,458 |
| 2026-06-12 | Kordasiewicz Holly B. EVP, Chief Development Officer | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −12,000 | 0 | ||
| 2026-06-12 | Kordasiewicz Holly B. EVP, Chief Development Officer | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −19,895 | 0 | ||
| 2026-06-12 | Kordasiewicz Holly B. EVP, Chief Development Officer | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −7,951 | 21,000 | ||
| 2026-06-12 | Kordasiewicz Holly B. EVP, Chief Development Officer | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −21,000 | 0 | ||
| 2026-06-04 | Reikes Peter N Director | Grant or award · Non-Qualified Stock Option (right to buy) | +10,753 | 10,753 | ||
| 2026-06-04 | HANTSON LUDWIG Director | Grant or award · Non-Qualified Stock Option (right to buy) | +10,753 | 10,753 | ||
| 2026-06-01 | BERTHELSEN SPENCER R Director | Option exercise 10b5-1 | +8,000 | $24.42 | $195K | 164,013 |
Page 4 of 18 · 360 trades