HOUGEN ELIZABETH L
SEC insider (Form 3/4/5 filer). CIK 0001074773. Director at Artiva Biotherapeutics, Inc. (ARTV) and 1 other issuer. 27 reported Form 4/5 transactions since Sep 2024; latest on Sep 10, 2026. Located in SAN DIEGO, CA.
Companies HOUGEN ELIZABETH L has filed insider reports for
- Artiva Biotherapeutics, Inc. (ARTV): Director
- IONIS PHARMACEUTICALS INC (IONS): Officer, EVP, Finance & CFO
HOUGEN ELIZABETH L
CIK: 0001074773
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (27 total)
- Sep 10, 2026ARTV
Artiva Biotherapeutics, Inc.
AwardDirectDirector Stock Option (Right to Buy)
16.3K shares- - Sep 8, 2026ARTV
Artiva Biotherapeutics, Inc.
AwardDirectDirector Stock Option (Right to Buy)
13.8K shares- - Mar 17, 2026IONS
IONIS PHARMACEUTICALS INC
SaleDirect10.2K shares at avg. $73.21$745K - Mar 16, 2026IONS
IONIS PHARMACEUTICALS INC
ExerciseDirect60.3K shares at avg. $60.89$3.7M - Mar 16, 2026IONS
IONIS PHARMACEUTICALS INC
SaleDirect9.4K shares at avg. $72.77$687K - Mar 16, 2026IONS
IONIS PHARMACEUTICALS INC
ExerciseDirect61K shares at avg. $56.78$3.5M - Mar 16, 2026IONS
IONIS PHARMACEUTICALS INC
SaleDirect205.6K shares at avg. $72.38$14.9M - Mar 16, 2026IONS
IONIS PHARMACEUTICALS INC
ExerciseDirect33.1K shares at avg. $32.60$1.1M - Mar 16, 2026IONS
IONIS PHARMACEUTICALS INC
ExerciseDirect20.5K shares at avg. $37.58$772K - Jan 30, 2026IONS
IONIS PHARMACEUTICALS INC
SaleDirect7K shares at avg. $83.24$582K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 10, 2026 |  ARTV Artiva Biotherapeutics, Inc. | Award Director Stock Option (Right to Buy) | 16,250 | - | - | Direct |
| Sep 8, 2026 | ARTV Artiva Biotherapeutics, Inc. | Award Director Stock Option (Right to Buy) | 13,750 | - | - | Direct |
| Mar 17, 2026 |  IONS IONIS PHARMACEUTICALS INC | Sale | 10,172 | $73.21 | $744,662 | Direct |
| Mar 16, 2026 | IONS IONIS PHARMACEUTICALS INC | Exercise | 60,299 | $60.89 | $3,671,606 | Direct |
| Mar 16, 2026 | IONS IONIS PHARMACEUTICALS INC | Sale | 9,440 | $72.77 | $686,902 | Direct |
| Mar 16, 2026 | IONS IONIS PHARMACEUTICALS INC | Exercise | 61,041 | $56.78 | $3,465,908 | Direct |
| Mar 16, 2026 | IONS IONIS PHARMACEUTICALS INC | Sale | 205,608 | $72.38 | $14,882,113 | Direct |
| Mar 16, 2026 | IONS IONIS PHARMACEUTICALS INC | Exercise | 33,118 | $32.60 | $1,079,647 | Direct |
| Mar 16, 2026 | IONS IONIS PHARMACEUTICALS INC | Exercise | 20,541 | $37.58 | $771,931 | Direct |
| Jan 30, 2026 | IONS IONIS PHARMACEUTICALS INC | Sale | 6,988 | $83.24 | $581,702 | Direct |
1-10 of 27 transactions