Insider Shareholders with Direct Ownership of Ionis Pharmaceuticals Inc (IONS)
This section provides a comprehensive overview of the insiders with direct ownership of Ionis Pharmaceuticals Inc (IONS). You can find detailed information about the size and nature of each insider's ownership stake, as well as the latest updates on their holdings.
IONIS PHARMACEUTICALS INC Insider List
| Insider | Adquired | Disposed | Held | # of Trades | Last Transaction |
|---|---|---|---|---|---|
|
Brett P Monia
Chief Executive Officer |
724,112 | 572,576 | 180,009 $11 Million | 53 |
Sep 03, 2025
Reduced 24.9%
|
|
Spencer R Berthelsen
Director |
86,030 | 31,000 | 156,013 $9.57 Million | 11 |
Jul 15, 2025
Added 2.55%
|
|
Elizabeth L Hougen
EVP, Finance & CFO |
212,403 | 134,361 | 110,500 $6.78 Million | 29 |
Jan 31, 2025
Reduced 1.36%
|
|
C Frank Bennett
EVP, Chief Scientific Officer |
235,402 | 185,167 | 82,679 $5.07 Million | 45 |
Sep 05, 2025
Reduced 6.77%
|
|
Richard S Geary
EVP, Chief Development Officer |
160,264 | 111,020 | 79,657 $4.89 Million | 43 |
Sep 02, 2025
Reduced 11.15%
|
|
B Lynne Parshall
Director |
173,411 | 174,531 | 66,344 $4.07 Million | 25 |
Sep 02, 2025
Reduced 12.24%
|
|
Frederick T Muto
Director |
42,914 | 15,000 | 59,597 $3.66 Million | 5 |
Jul 15, 2022
Added 4.28%
|
|
Patrick R. O'Neil
EVP CLO & General Counsel |
247,460 | 211,474 | 57,130 $3.51 Million | 42 |
Sep 12, 2025
Reduced 2.89%
|
|
Brian Birchler
EVP, Corp and Development Ops |
44,684 | 23,183 | 56,826 $3.49 Million | 16 |
Aug 29, 2025
Added 0.29%
|
|
Michael R Hayden
Director |
50,742 | 0 | 54,298 $3.33 Million | 9 |
Jul 15, 2025
Added 6.99%
|
|
Eugene Schneider
EVP, Chf Clinical Develop Ofcr |
129,072 | 90,754 | 51,507 $3.16 Million | 27 |
Sep 03, 2025
Reduced 12.27%
|
|
Joan E Herman
Director |
40,752 | 0 | 46,086 $2.83 Million | 8 |
Jul 15, 2025
Added 8.13%
|
|
Eric Swayze
EVP Research |
115,644 | 83,611 | 37,302 $2.29 Million | 31 |
Sep 02, 2025
Reduced 2.94%
|
|
Joseph Loscalzo
Director |
48,530 | 29,508 | 36,330 $2.23 Million | 8 |
Sep 03, 2025
Reduced 30.58%
|
|
Onaiza Cadoret Manier
EVP, Chf GL Pdt Str & Oper Ofc |
57,520 | 21,695 | 35,825 $2.2 Million | 18 |
Feb 02, 2024
Reduced 5.6%
|
|
Joseph Baroldi
EVP, Chief Business Officer |
89,988 | 61,675 | 31,926 $1.96 Million | 16 |
Sep 09, 2025
Reduced 27.24%
|
|
Allene M. Diaz
Director |
22,089 | 3,721 | 18,368 $1.13 Million | 7 |
Aug 22, 2025
Reduced 7.21%
|
|
Joseph Klein Iii
Director |
23,774 | 18,111 | 16,346 $1 Million | 10 |
Nov 15, 2023
Reduced 10.9%
|
|
Shannon L. Devers
EVP, Chief Human Resources Ofc |
15,457 | 7,429 | 15,937 $977,894 | 4 |
Sep 03, 2025
Added 5.5%
|
|
Peter N Reikes
Director |
10,666 | 0 | 14,222 $872,661 | 3 |
Oct 15, 2021
Added 11.11%
|
|
Kyle Jenne
EVP, Chf GL Pdt Str Ofcr |
12,226 | 3,016 | 11,199 $687,170 | 2 |
Apr 16, 2025
Reduced 21.22%
|
|
Michael J. Yang
Director |
6,010 | 0 | 6,010 $368,773 | 2 |
Jul 15, 2025
Added 40.43%
|
|
Stanley T Crooke
Exec Chairman of the Board |
74,437 | 74,437 | 2,021 $124,008 | 9 |
Jan 26, 2021
Reduced 93.34%
|