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Insider ActivityIONS
Birchler Brian, EVP, Corp and Development Ops at IONIS PHARMACEUTICALS INC, sold $73K of IONS
Updated Jun 18, 2026
Birchler Brian
EVP, Corp and Development Ops
IONIS PHARMACEUTICALS INC ·
$IONS
Transaction Details
| Insider | Birchler Brian |
|---|---|
| Title | EVP, Corp and Development Ops |
| Company | IONIS PHARMACEUTICALS INC |
| Ticker | IONS |
| Transaction Type | Sale |
| Transaction Date | 2026-04-16 |
| Shares Traded | 973 |
| Price Per Share | $75.042 |
| Total Value | $73K |
| Filed Date | 2026-04-17 |
| Accession Number | 0000874015-26-000170 |
Ownership Context
| Shares Owned After Transaction | 67,500 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0000874015-26-000170
Other Insider Trades — IONS
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| BERTHELSEN SPENCER R | Director | sold | $588K | 2026-06-15 |
| BERTHELSEN SPENCER R | Director | traded | $195K | 2026-06-15 |
| Kordasiewicz Holly B. | EVP, Chief Development Officer | traded | $1.3M | 2026-06-12 |
| Kordasiewicz Holly B. | EVP, Chief Development Officer | sold | $1.5M | 2026-06-12 |
| Kordasiewicz Holly B. | EVP, Chief Development Officer | traded | $484K | 2026-06-12 |
| Kordasiewicz Holly B. | EVP, Chief Development Officer | traded | $1.1M | 2026-06-12 |
| Kordasiewicz Holly B. | EVP, Chief Development Officer | sold | $3.0M | 2026-06-12 |
| Kordasiewicz Holly B. | EVP, Chief Development Officer | traded | $391K | 2026-06-12 |
| HANTSON LUDWIG | Director | traded | — | 2026-06-04 |
| Reikes Peter N | Director | traded | — | 2026-06-04 |
Other Trades by Birchler Brian
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| IONS | IONIS PHARMACEUTICALS INC | traded | — | 2026-04-15 |
Full Ticker Profile
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 18, 2026 at 07:20 UTC