Who
Brian Birchler
EVP, Corp and Development Ops
Company insider
Files Form 4 as: EVP, Corp and Development Ops, Ionis Pharmaceuticals.
In numbers
- Trades disclosed
- 61
- Buys
- 0
- Sells
- 11
- Bought
- $0
- Sold
- $5.3M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 17 Apr 2023
- Last trade
- 31 Aug 2026
- Last filed
- 2 Sep 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 31 Aug 2026filed 2 Sep 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Code J | $2,97658 at $51.31 | filing |
| 31 Aug 2026filed 2 Sep 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Code J | $2,97658 at $51.31 | filing |
| 16 Apr 2026filed 17 Apr 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Sold | $73K973 at $75.04 | filing |
| 16 Apr 2026filed 17 Apr 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Sold | $73K973 at $75.04 | filing |
| 15 Apr 2026filed 17 Apr 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Code M | —1,875 at $0.00 | filing |
| 15 Apr 2026filed 17 Apr 2026 | IONS Ionis Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code M | —1,875 at $0.00 | filing |
| 15 Apr 2026filed 17 Apr 2026 | IONS Ionis Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code M | —1,875 at $0.00 | filing |
| 15 Apr 2026filed 17 Apr 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Code M | —1,875 at $0.00 | filing |
| 27 Feb 2026filed 3 Mar 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Code J | $17K351 at $48.87 | filing |
| 27 Feb 2026filed 3 Mar 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Code J | $17K351 at $48.87 | filing |
| 30 Jan 2026filed 2 Feb 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Sold | $513K6,179 at $83.03 | filing |
| 30 Jan 2026filed 2 Feb 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Sold | $513K6,179 at $83.03 | filing |
| 29 Jan 2026filed 2 Feb 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Code A | —11,991 at $0.00 | filing |
| 29 Jan 2026filed 2 Feb 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Code A | —11,991 at $0.00 | filing |
| 16 Jan 2026filed 20 Jan 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Sold | $637K8,480 at $75.11 | filing |
| 16 Jan 2026filed 20 Jan 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Sold | $637K8,480 at $75.11 | filing |
| 15 Jan 2026filed 20 Jan 2026 | IONS Ionis PharmaceuticalsBiotechnology | SEC FORM 4 Code M | —20,089 at $0.00 | filing |
| 15 Jan 2026filed 20 Jan 2026 | IONS Ionis Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —25,800 at $0.00 | filing |
| 15 Jan 2026filed 20 Jan 2026 | IONS Ionis Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —25,800 at $0.00 | filing |
| 15 Jan 2026filed 20 Jan 2026 | IONS Ionis Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code M | —20,089 at $0.00 | filing |
News
Ionis Pharmaceuticals (NASDAQ:IONS) EVP Sells 1,357 Shares of StockIONS · dailypolitical.com · 20 Oct 2026Ionis Pharmaceuticals, Inc.: TRYNGOLZA (olezarsen) recommended for approval in the EU by CHMP for severe hypertriglyceridemia (sHTG)IONS · finanznachrichten.de · 16 Oct 2026Ionis Pharmaceuticals (NASDAQ:IONS) & Upstream Bio (NASDAQ:UPB) Head to Head ReviewIONS · dailypolitical.com · 13 Oct 2026
0 headlines in the last 90 days name Brian Birchler; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.