Brian Birchler

IONS

Brian Birchler serves as officer: EVP, Corp and Development Ops at Ionis Pharmaceuticals, Inc. (IONS). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

6 trades

$4.02M

Net Position

Net Seller

$4.02M

Companies Traded

IONS

Active Period

Apr 2025 – Feb 2026

6 total trades

Most Recent

Sell IONS

Feb 2, 2026 · $513.0K

Brian Birchler's Insider Trading at Ionis Pharmaceuticals, Inc. (IONS)

Buys

0 · $0.00

Sells

6 · $4.02M

Total Shares Bought

Total Shares Sold

53,418

IONS Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 2, 2026↗	Sell	6,179	$83.03	$513.0K	66,247
Jan 29, 2026↗	Sell	6,179	$83.03	$513.0K	0
Jan 15, 2026↗	Sell	8,480	$75.11	$636.9K	0
Nov 6, 2025↗	Sell	8,000	$76.17	$609.4K	0
Oct 14, 2025↗	Sell	23,900	$72.13	$1.72M	0
Apr 15, 2025↗	Sell	680	$28.37	$19.3K	0