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 |
520,109 | 368,762 | 179,820 $7.4 Million | 50 |
Jul 30, 2025
Reduced 1.33%
|
|
Spencer R Berthelsen
Director |
86,030 | 31,000 | 156,013 $6.42 Million | 11 |
Jul 15, 2025
Added 2.55%
|
|
Elizabeth L Hougen
EVP, Finance & CFO |
212,403 | 134,361 | 110,500 $4.55 Million | 29 |
Jan 31, 2025
Reduced 1.36%
|
|
C Frank Bennett
EVP, Chief Scientific Officer |
178,389 | 117,367 | 93,466 $3.85 Million | 38 |
Feb 28, 2025
Added 0.34%
|
|
Richard S Geary
EVP, Chief Development Officer |
160,099 | 101,020 | 89,492 $3.69 Million | 41 |
Aug 05, 2025
Reduced 10.05%
|
|
B Lynne Parshall
Director |
173,411 | 154,531 | 86,344 $3.56 Million | 24 |
Aug 06, 2025
Reduced 0.46%
|
|
Frederick T Muto
Director |
42,914 | 15,000 | 59,597 $2.45 Million | 5 |
Jul 15, 2022
Added 4.28%
|
|
Patrick R. O'Neil
EVP CLO & General Counsel |
134,529 | 98,874 | 56,799 $2.34 Million | 33 |
Feb 28, 2025
Added 0.97%
|
|
Brian Birchler
EVP, Corp and Development Ops |
44,518 | 23,183 | 56,660 $2.33 Million | 15 |
Apr 16, 2025
Reduced 1.19%
|
|
Michael R Hayden
Director |
50,742 | 0 | 54,298 $2.24 Million | 9 |
Jul 15, 2025
Added 6.99%
|
|
Eugene Schneider
EVP, Chf Clinical Develop Ofcr |
109,414 | 71,096 | 51,507 $2.12 Million | 25 |
Aug 04, 2025
Reduced 15.64%
|
|
Eric Swayze
EVP Research |
115,644 | 72,481 | 48,432 $1.99 Million | 30 |
Feb 28, 2025
Added 0.85%
|
|
Joan E Herman
Director |
40,752 | 0 | 46,086 $1.9 Million | 8 |
Jul 15, 2025
Added 8.13%
|
|
Joseph Loscalzo
Director |
32,530 | 13,508 | 36,330 $1.5 Million | 6 |
Jul 15, 2025
Added 10.09%
|
|
Onaiza Cadoret Manier
EVP, Chf GL Pdt Str & Oper Ofc |
57,520 | 21,695 | 35,825 $1.48 Million | 18 |
Feb 02, 2024
Reduced 5.6%
|
|
Joseph Baroldi
EVP, Chief Business Officer |
44,988 | 16,675 | 31,926 $1.31 Million | 10 |
Apr 16, 2025
Reduced 10.96%
|
|
Allene M. Diaz
Director |
22,089 | 2,294 | 19,795 $815,158 | 6 |
Jul 15, 2025
Added 17.09%
|
|
Joseph Klein Iii
Director |
23,774 | 18,111 | 16,346 $673,128 | 10 |
Nov 15, 2023
Reduced 10.9%
|
|
Shannon L. Devers
EVP, Chief Human Resources Ofc |
12,295 | 4,267 | 15,937 $656,285 | 2 |
Jan 16, 2025
Reduced 21.12%
|
|
Peter N Reikes
Director |
10,666 | 0 | 14,222 $585,661 | 3 |
Oct 15, 2021
Added 11.11%
|
|
Kyle Jenne
EVP, Chf GL Pdt Str Ofcr |
12,226 | 3,016 | 11,199 $461,174 | 2 |
Apr 16, 2025
Reduced 21.22%
|
|
Michael J. Yang
Director |
6,010 | 0 | 6,010 $247,491 | 2 |
Jul 15, 2025
Added 40.43%
|
|
Stanley T Crooke
Exec Chairman of the Board |
74,437 | 74,437 | 2,021 $83,224 | 9 |
Jan 26, 2021
Reduced 93.34%
|