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Birchler Brian

SEC insider (Form 3/4/5 filer). CIK 0001970151. EVP, Corp and Development Ops at IONIS PHARMACEUTICALS INC (IONS). 26 reported Form 4/5 transactions since Sep 2024; latest on Aug 31, 2026. Located in CARLSBAD, CA.

Companies Birchler Brian has filed insider reports for

  • IONIS PHARMACEUTICALS INC (IONS): Officer, EVP, Corp and Development Ops
Birchler Brian profile photo

Birchler Brian

CIK: 0001970151

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)8 (30.8%)

Position reduction

Option Exercises (M)6 (23.1%)

Derivative conversions

Awards (A)7 (26.9%)

Compensation grants

Other (G, F, J, C, D, …)5 (19.2%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

IONIS PHARMACEUTICALS INC logo
IONS

IONIS PHARMACEUTICALS INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (26 total)

  • IONIS PHARMACEUTICALS INC logo
    IONS

    IONIS PHARMACEUTICALS INC

    Aug 31, 2026
    Other
    Direct
    58 shares at avg. $51.31$3K
  • IONIS PHARMACEUTICALS INC logo
    IONS

    IONIS PHARMACEUTICALS INC

    Apr 16, 2026
    Sale
    Direct
    973 shares at avg. $75.04$73K
  • IONIS PHARMACEUTICALS INC logo
    IONS

    IONIS PHARMACEUTICALS INC

    Apr 15, 2026
    Exercise
    Direct
    1.9K shares-
  • IONIS PHARMACEUTICALS INC logo
    IONS

    IONIS PHARMACEUTICALS INC

    Feb 27, 2026
    Other
    Direct
    351 shares at avg. $48.87$17K
  • IONIS PHARMACEUTICALS INC logo
    IONS

    IONIS PHARMACEUTICALS INC

    Jan 30, 2026
    Sale
    Direct
    6.2K shares at avg. $83.03$513K
  • IONIS PHARMACEUTICALS INC logo
    IONS

    IONIS PHARMACEUTICALS INC

    Jan 29, 2026
    Award
    Direct
    12K shares-
  • IONIS PHARMACEUTICALS INC logo
    IONS

    IONIS PHARMACEUTICALS INC

    Jan 16, 2026
    Sale
    Direct
    8.5K shares at avg. $75.11$637K
  • IONIS PHARMACEUTICALS INC logo
    IONS

    IONIS PHARMACEUTICALS INC

    Jan 15, 2026
    Exercise
    Direct
    20.1K shares-
  • IONIS PHARMACEUTICALS INC logo
    IONS

    IONIS PHARMACEUTICALS INC

    Jan 15, 2026
    Award

    Performance Restricted Stock Units

    Direct
    25.8K shares-
  • IONIS PHARMACEUTICALS INC logo
    IONS

    IONIS PHARMACEUTICALS INC

    Jan 15, 2026
    Award

    Restricted Stock Unit

    Direct
    9.7K shares-

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