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Home/Companies/Ionis Pharmaceuticals, Inc.

Ionis Pharmaceuticals, Inc.

616 insider trades tracked

IONS
Insider trades
616
Bought (open market)
$1.1M
Sold (open market)
$207M
Acquired (grants)
$297K
Unique insiders
24

12-month activity

Monthly insider buy vs sell totals for Ionis Pharmaceuticals, Inc..

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
October 2025$0$22.4M39
November 2025$0$8.2M22
December 2025$0$2.3M2
January 2026$0$24.1M95
February 2026$0$11.3M14
March 2026$0$47.4M58
April 2026$0$3.5M14
May 2026$0$6.9M13
June 2026$0$16.1M25
July 2026$1.1M$3.5M29
August 2026$0$04
September 2026$0$00

Recent insider trades

Most recent Form 4 filings for Ionis Pharmaceuticals, Inc..

  • Monia Brett Ptraded98 shares ofIONSat $51.306$5KAug 31 · filed Sep 2Details
  • BENNETT C FRANKtraded110 shares ofIONSat $51.306$6KAug 31 · filed Sep 2Details
  • Birchler Briantraded58 shares ofIONSat $51.306$3KAug 31 · filed Sep 2

Insiders at this company

Executives and directors who have filed Form 4s.

  • Monia Brett P61 trades
  • Baroldi Joseph58 trades
  • Swayze Eric55 trades
  • O'NEIL PATRICK R.54 trades
  • BENNETT C FRANK46 trades
  • Devers Shannon L.39 trades
  • Geary Richard S38 trades
  • Birchler Brian33 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
Details
  • O'NEIL PATRICK R.traded63 shares ofIONSat $51.306$3KAug 31 · filed Sep 2Details
  • Hayden Michael Rbought5,000 shares ofIONSat $51.6$258KJul 31Details
  • Hayden Michael Rbought15,000 shares ofIONSat $53.38$801KJul 30 · filed Jul 31Details
  • Reikes Peter Ngranted3,399 shares ofIONSat $0Jul 15 · filed Jul 17Details
  • HANTSON LUDWIGgranted3,399 shares ofIONSat $0Jul 15 · filed Jul 17Details
  • HERMAN JOAN Eexercised5,220 shares ofIONSat $0Jul 15 · filed Jul 17Details
  • BERTHELSEN SPENCER Rexercised5,220 shares ofIONSat $0Jul 15 · filed Jul 17Details
  • Kordasiewicz Holly B.sold362 shares ofIONSat $84.3$31KJul 7 · filed Jul 9Details
  • Diaz Allene M.sold10,111 shares ofIONSat $85.416$864KJul 7 · filed Jul 9Details
  • Diaz Allene M.exercised10,111 shares ofIONSat $47.11$476KJul 7 · filed Jul 9Details
  • BENNETT C FRANKsold15,000 shares ofIONSat $85.462$1.3MJul 7 · filed Jul 9Details
  • BENNETT C FRANKtraded15,000 shares ofIONSat $0Jul 7 · filed Jul 9Details
  • BENNETT C FRANKsold5,536 shares ofIONSat $83.579$463KJul 7 · filed Jul 9Details
  • Diaz Allene M.granted2,301 shares ofIONSat $0Jul 1 · filed Jul 6Details
  • Diaz Allene M.granted5,369 shares ofIONSat $0Jul 1 · filed Jul 6Details
  • YANG MICHAEL J.granted2,301 shares ofIONSat $0Jul 1 · filed Jul 6Details
  • YANG MICHAEL J.granted5,369 shares ofIONSat $0Jul 1 · filed Jul 6Details
  • Hayden Michael Rgranted2,301 shares ofIONSat $0Jul 1 · filed Jul 6Details
  • Hayden Michael Rgranted5,369 shares ofIONSat $0Jul 1 · filed Jul 6Details
  • LOSCALZO JOSEPHgranted2,301 shares ofIONSat $0Jul 1 · filed Jul 6Details
  • LOSCALZO JOSEPHgranted5,369 shares ofIONSat $0Jul 1 · filed Jul 6Details
  • HERMAN JOAN Egranted2,301 shares ofIONSat $0Jul 1 · filed Jul 6Details
  • HERMAN JOAN Egranted5,369 shares ofIONSat $0Jul 1 · filed Jul 6Details
  • KLEIN JOSEPH IIIgranted2,301 shares ofIONSat $0Jul 1 · filed Jul 6Details
  • KLEIN JOSEPH IIIgranted5,369 shares ofIONSat $0Jul 1 · filed Jul 6Details
  • KLEIN JOSEPH IIIsold11,419 shares ofIONSat $79.039$903KJul 1 · filed Jul 6Details
  • KLEIN JOSEPH IIIsold99 shares ofIONSat $79.45$8KJul 1 · filed Jul 6Details
  • View all trades for IONS →
    KLEIN JOSEPH III
    33 trades
  • HOUGEN ELIZABETH L32 trades
  • Schneider Eugene30 trades
  • LOSCALZO JOSEPH19 trades
  • WENDER JOSEPH H18 trades
  • Jenne Kyle15 trades
  • Diaz Allene M.14 trades
  • BERTHELSEN SPENCER R12 trades
  • Kordasiewicz Holly B.12 trades
  • PARSHALL B LYNNE11 trades
  • HERMAN JOAN E10 trades
  • YANG MICHAEL J.8 trades