Insider Transactions Reported by 24 Insiders of IONIS PHARMACEUTICALS INC

Symbol
IONS on Nasdaq
Location
Carlsbad, CA

Insiders trading volume in the past year

IONIS PHARMACEUTICALS INC executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Brett P. Monia Chief Executive Officer, Director $41,384,523 -$15,237,914 -27% 02 Jan 2026
HOUGEN ELIZABETH L EVP, Finance & CFO $12,840,317 -$3,590,127 -22% 02 Jan 2026
Richard S. Geary EVP, Chief Development Officer $8,613,598 -$14,565,239 -63% 05 Nov 2025
BENNETT C FRANK EVP, Chief Scientific Officer $8,261,854 -$3,363,813 -29% 02 Jan 2026
Onaiza Cadoret-Manier EVP,Chf GL Pdt Str & Oper Ofc $7,945,126 02 Feb 2024
PATRICK R. O'NEIL EVP CLO & General Counsel $7,829,009 -$14,332,904 -65% 02 Jan 2026
Eugene Schneider EVP, Chf Clinical Develop Ofcr $7,312,195 -$1,865,791 -20% 02 Jan 2026
Brian Birchler EVP, Corp and Development Ops $7,209,857 -$2,529,238 -26% 02 Jan 2026
Eric Swayze EVP Research $6,556,670 -$4,959,390 -43% 02 Jan 2026
BERTHELSEN SPENCER R Director $6,331,181 15 Jul 2025
Joseph Baroldi EVP, Chief Business Officer $6,047,516 -$4,093,910 -40% 02 Jan 2026
B. LYNNE PARSHALL Director $4,401,082 -$1,586,665 -26% 15 Oct 2025
Shannon L. Devers EVP, Chief Human Resources Ofc $4,202,345 -$2,220,878 -35% 02 Jan 2026
JOSEPH H. WENDER Director $4,044,699 -$8,660,121 -68% 01 Dec 2025
MUTO FREDERICK T Director $3,438,793 15 Jul 2022
JOAN E. HERMAN Director $3,324,298 -$3,173,830 -49% 19 Nov 2025
JOSEPH LOSCALZO Director $2,728,539 -$2,164,040 -44% 31 Oct 2025
Michael R. Hayden Director $2,224,333 +$477,900 +27% 15 Jul 2025
Kyle Jenne EVP, Chf GL Pdt Str Ofcr $2,116,477 -$85,534 -3.9% 02 Jan 2026
Peter N. Reikes Director $1,254,678 15 Oct 2021
JOSEPH KLEIN III Director $1,209,932 -$4,320,000 -78% 25 Nov 2025
Allene Diaz Director $781,150 -$60,687 -7.2% 22 Aug 2025
Holly Kordasiewicz EVP, Chief Development Officer $612,852 02 Jan 2026
MICHAEL J. YANG Director $497,060 15 Jul 2025

Recent Insider Transactions by Companies or Individuals for IONIS PHARMACEUTICALS INC

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.