Birchler Brian (CIK 0001970151)

Latest company ownership

IONS - IONIS PHARMACEUTICALS INC
Role: EVP, Corp and Development Ops
Shares held
48,826
Last filed at
Nov 7, 2025
Confidence Score
14.3
2025Q4
Confidence Score History
2023Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Nov 6, 2025 Nov 7, 2025 IONIS PHARMACEUTICALS INC EVP, Corp and Development Ops Sell 22.5 -8,000 -14.08% ✓ $609.4K
Oct 14, 2025 Oct 16, 2025 IONIS PHARMACEUTICALS INC EVP, Corp and Development Ops Sell 15.0 -23,900 -17.38% ✓ $1.7M
Aug 29, 2025 Sep 3, 2025 IONIS PHARMACEUTICALS INC EVP, Corp and Development Ops Buy 60.0 +166 0.29% ✗ $4.6K
Apr 15, 2025 Apr 17, 2025 IONIS PHARMACEUTICALS INC EVP, Corp and Development Ops Sell 46.3 -680 -1.19% ✗ $19.3K
Feb 28, 2025 Mar 4, 2025 IONIS PHARMACEUTICALS INC EVP, Corp and Development Ops Buy 68.8 +414 0.75% ✗ $11.7K
Jan 15, 2025 Jan 17, 2025 IONIS PHARMACEUTICALS INC EVP, Corp and Development Ops Sell 42.5 -5,400 -8.93% ✗ $176.6K
Aug 30, 2024 Sep 4, 2024 IONIS PHARMACEUTICALS INC EVP, Corp and Development Ops Buy 47.5 +12 0.03% ✗ $463.7
Apr 15, 2024 Apr 17, 2024 IONIS PHARMACEUTICALS INC EVP, Corp and Development Ops Sell 46.3 -905 -1.92% ✗ $37.7K
Feb 29, 2024 Mar 4, 2024 IONIS PHARMACEUTICALS INC President Buy 78.8 +604 1.35% ✗ $20.8K
Jan 16, 2024 Jan 18, 2024 IONIS PHARMACEUTICALS INC EVP, Corp and Development Ops Sell 42.5 -4,497 -9.16% ✗ $226.7K
Dec 28, 2023 Jan 2, 2024 IONIS PHARMACEUTICALS INC EVP, Corp and Development Ops Sell 40.0 -11,029 -22.96% ✗ $557K
Apr 17, 2023 Apr 19, 2023 IONIS PHARMACEUTICALS INC EVP, Corp and Development Ops Sell 46.3 -672 -1.81% ✗ $24.5K