Transaction · 0000874015-26-000146

HOUGEN ELIZABETH L

HOUGEN ELIZABETH L, EVP, CFO, reported an open-market or private sale at IONIS PHARMACEUTICALS INC involving 205608.000000 shares for an estimated $14882112.65. Reported holdings after the transaction were 102272.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SEVP, CFO
IONSIONIS PHARMACEUTICALS INC
Filing timeMar 18
Trade dateMar 16, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$71.67
Pre-filing
1mo ago +12.4%1w ago +5.1%1d ago -0.7%
Returns since
7d +1.4%30d +5.6%90d +2.0%180d -10.8%1y -10.8%

IONS price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
IONS since 2026-03-18Filed 175 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0000874015-26-000146
Common Stock
Transaction date
Mar 16, 2026
Filed Mar 18, 2026, 12:00 AM · 2d delay
Shares
205k sh
$7.23k per share
Estimated value
-$1.48B
Computed from shares × price
Holdings after
102k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Direct Ownership Large Holdings Reduction Large Sale 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

EVP, Finance & CFO

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Shares sold pursuant to a Rule 10b5-1 Trading Plan adopted by the reporting person on December 9, 2025.

  2. F2

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.70 to $72.70 inclusive. The reporting person undertakes to provi…

  3. F3

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.71 to $72.88 inclusive. The reporting person undertakes to provi…

  4. F4

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.11 to $73.28 inclusive. The reporting person undertakes to provi…

Original filing · 0000874015-26-000146
Related transactions

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Same reporting owner
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