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 $50,780,177 -$23,515,776 -32% 06 Feb 2026
HOUGEN ELIZABETH L EVP, Finance & CFO $16,690,976 -$4,803,429 -22% 29 Jan 2026
C. FRANK BENNETT EVP, Chief Scientific Officer $11,305,738 -$4,261,383 -27% 02 Feb 2026
Patrick R. O'Neil EVP CLO & General Counsel $10,109,374 -$15,024,804 -60% 29 Jan 2026
Eugene Schneider EVP, Chf Clinical Develop Ofcr $9,965,367 -$2,822,890 -22% 29 Jan 2026
Brian Birchler EVP, Corp and Development Ops $8,991,212 -$3,502,639 -28% 29 Jan 2026
Richard S. Geary EVP, Chief Development Officer $8,613,598 -$14,287,270 -62% 05 Nov 2025
Onaiza Cadoret-Manier EVP,Chf GL Pdt Str & Oper Ofc $7,945,126 02 Feb 2024
Joseph Baroldi EVP, Chief Business Officer $7,889,695 -$4,998,689 -39% 29 Jan 2026
Eric Swayze EVP Research $6,782,493 -$7,219,293 -52% 13 Feb 2026
SPENCER R. BERTHELSEN Director $6,331,181 15 Jul 2025
B. LYNNE PARSHALL Director $4,660,646 -$2,000,254 -30% 11 Feb 2026
Shannon L. Devers EVP, Chief Human Resources Ofc $4,620,381 -$6,799,501 -60% 22 Jan 2026
JOSEPH H. WENDER Director $4,044,699 -$8,660,121 -68% 01 Dec 2025
FREDERICK T. MUTO Director $3,438,793 15 Jul 2022
JOAN E. HERMAN Director $3,324,298 -$3,173,830 -49% 19 Nov 2025
Kyle Jenne EVP, Chf GL Pdt Str Ofcr $3,043,781 -$224,009 -6.9% 15 Jan 2026
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
Peter N. Reikes Director $1,254,678 15 Oct 2021
JOSEPH KLEIN III Director $1,209,932 -$4,320,000 -78% 25 Nov 2025
Holly B. Kordasiewicz EVP, Chief Development Officer $1,113,563 -$313,308 -22% 15 Jan 2026
MICHAEL J. YANG Director $887,738 15 Jan 2026
Allene Diaz Director $781,150 -$60,687 -7.2% 22 Aug 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.