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$IONS All transactions

IONIS PHARMACEUTICALS INC

M 10b5-1 Plan

$ Value

$97K

Shares

1,700

Price

$57

Filed

Sep 16

Insider

Name

O'NEIL PATRICK R.

Title

EVP CLO & General Counsel

CIK

0001564926

Roles

Officer

Transaction Details

Transaction Date

2025-09-12

Code

M

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

58,830

Footnotes

Shares sold pursuant to a Rule 10b5-1 Trading Plan adopted by the reporting person on May 2, 2025. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.53 to $64.605 inclusive. The reporting person undertakes to provide to Ionis Pharmaceuticals, Inc. any security holder of Ionis Pharmaceuticals, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) on this Form 4.

Filing Info

Accession No.

0000874015-25-000234

Form Type

4

Issuer CIK

0000874015

O'NEIL PATRICK R.'s History

Date Ticker Type Value
2026-01-30 IONS $516K
2026-01-29 IONS A $0
2026-01-16 IONS $697K
2026-01-15 IONS M $0
2026-01-15 IONS A $0
2026-01-15 IONS M $0
2026-01-15 IONS A $0
2026-01-02 IONS A $0
2025-10-06 IONS M $539K
2025-10-06 IONS $713K

Other Insiders at IONS (90d)

Insider Bought Sold Last
PARSHALL B LYNNE $381K 2026-04-15
BENNETT C FRANK
EVP, Chief Scientific Officer
$7.5M 2026-02-02
HOUGEN ELIZABETH L
EVP, Finance & CFO
$582K 2026-01-30
KLEIN JOSEPH III $1.7M 2026-04-01
Monia Brett P
Chief Executive Officer
$5.2M 2026-01-30
O'NEIL PATRICK R.
EVP CLO & General Counsel
$516K 2026-01-30
Swayze Eric
EVP Research
$512K 2026-01-30
Jenne Kyle
EVP, Chf GL Pdt Str Ofcr
$368K 2026-04-16
Baroldi Joseph
EVP, Chief Business Officer
$858K 2026-04-16
Schneider Eugene
EVP, Chf Clinical Develop Ofcr
$516K 2026-01-30
Birchler Brian
EVP, Corp and Development Ops
$586K 2026-04-16
Devers Shannon L.
EVP, Chief Human Resources Ofc
$459K 2026-04-02