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PUBLIC COMPANY
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$IONSIONIS PHARMACEUTICALS INC

$IONS55.42-2.67%
Carlsbad, CA, USupdated 18h ago

Ionis Pharmaceuticals, Inc. is a biotechnology company that specializes in discovering and developing antisense therapy, as well as RNA interference and CRISPR therapeutics. The company was founded in 1989 is based in Carlsbad, California. The company was previously known as Isis Pharmaceuticals until December 2015.

Website ↗SEC EDGAR ↗Yahoo Finance ↗
community read0 votes
pipeline
7
marketed
2
phase 3
1
catalysts ytd
2
approvals ytd
0
recalls ytd
0

Pipeline(7)

pipeline depth7 products
Phase 2: 3Phase 3: 1Marketed: 2pre_registration: 1
3Phase 21Phase 32Marketed1pre_registration
Marketed
donidalorsen sodium
Hereditary Angioedema (HAE) (C1 Esterase Inhibitor [C1-IN…
Marketed
olezarsen sodium
Hypertriglyceridemia
Phase 3
obudanersen sodium
Angelman Syndrome
Phase 2
ION-283
Lafora Disease (Unverricht Disease)
Phase 2
ION-356
Pelizaeus-Merzbacher Disease (PMD)
Phase 2
vadernersen sodium
X Chromosome Disorders
pre_registration
zilganersen sodium
Alexander Disease

📅 Upcoming

no upcoming catalysts on record

🕒 Recent(90d)

earnings (1)
Jul 29, 2026
earnings
$IONS55.42-2.67%
14d ago
IONIS PHARMACEUTICALS INC earnings
IONIS PHARMACEUTICALS INC
→
view all catalysts →

Insider activity

source: SEC Form 4

open-market buys + sells

  • Apr 16, 26SELLBaroldi Joseph· EVP, Chief Business Officer5,619 sh @ $74.56−$419K↗
  • Apr 16, 26SELLJenne Kyle· EVP, Chf GL Pdt Str Ofcr4,902 sh @ $75.17−$368K↗
  • Apr 16, 26SELLBirchler Brian· EVP, Corp and Development Ops973 sh @ $75.04−$73K↗
  • Apr 15, 26SELLPARSHALL B LYNNE· director4,466 sh @ $76.19−$340K↗
  • Apr 15, 26SELLPARSHALL B LYNNE· director534 sh @ $76.97−$41K↗
  • Apr 2, 26SELLDevers Shannon L.· EVP, Chief Human Resources Ofc6,193 sh @ $74.05−$459K↗
  • Apr 1, 26SELLKLEIN JOSEPH III· director20,105 sh @ $75.50−$1.52M↗
  • Apr 1, 26SELLKLEIN JOSEPH III· director2,216 sh @ $75.95−$168K↗
  • Mar 19, 26SELLSchneider Eugene· EVP, Chf Clinical Develop Ofcr5,812 sh @ $70.97−$412K↗
  • Mar 17, 26SELLHOUGEN ELIZABETH L· EVP, Finance & CFO10,172 sh @ $73.21−$745K↗
  • Mar 16, 26SELLHOUGEN ELIZABETH L· EVP, Finance & CFO205,608 sh @ $72.38−$14.88M↗
  • Mar 16, 26SELLHOUGEN ELIZABETH L· EVP, Finance & CFO9,440 sh @ $72.77−$687K↗
  • Mar 10, 26SELLJenne Kyle· EVP, Chf GL Pdt Str Ofcr21,191 sh @ $75.50−$1.60M↗
  • Mar 10, 26SELLMonia Brett P· Chief Executive Officer17,591 sh @ $76.34−$1.34M↗
  • Mar 10, 26SELLMonia Brett P· Chief Executive Officer16,512 sh @ $75.47−$1.25M↗
  • Mar 10, 26SELLJenne Kyle· EVP, Chf GL Pdt Str Ofcr16,086 sh @ $76.30−$1.23M↗
  • Mar 9, 26SELLMonia Brett P· Chief Executive Officer117,604 sh @ $75.26−$8.85M↗
  • Mar 9, 26SELLO'NEIL PATRICK R.· EVP CLO & General Counsel10,148 sh @ $75.25−$764K↗
  • Mar 9, 26SELLMonia Brett P· Chief Executive Officer7,382 sh @ $74.11−$547K↗
  • Mar 9, 26SELLMonia Brett P· Chief Executive Officer1,684 sh @ $75.58−$127K↗
🐶 Hiring Signal
No open roles indexed yet — view IONIS PHARMACEUTICALS INC jobs →

News

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    BridgeBio Pharma’s transthyretin amyloidosis medicine Attruby is off to a strong launch, while Alnylam lowered full-year sales guidance for competitor Amvuttra.
    biospace · 3h ago
  • Biogen’s targeted ALS treatment is reversing decline in some patients. Can more be helped?
    Three years after Qalsody was approved by the FDA as the first drug to target a genetic cause of ALS, some patients are reporting not only disease stabilization but also improvement of symptoms.
    biospace · 2d ago
  • ‘Significant’ demand for Revolution drug; Intellia pinpoints liver toxicity culprit
    Early indicators from a compassionate use plan led analysts to hike projections for daraxonrasib. Elsewhere, Intellia believes it’s answered a key safety question and Arrowhead moved to catch a rival.
    biopharma_dive · 5d ago
  • Intellia finds genetic suspect for liver safety signals with ATTR gene therapy
    In November 2025, one patient died after receiving Intellia Therapeutics’ investigational gene silencer for transthyretin amyloidosis.
    biospace · 5d ago
  • 5 companies advancing ATTR assets in the wake of Wainua’s fail
    The Phase 3 failure of AstraZeneca and Ionis Pharmaceuticals’ antisense therapy in transthyretin amyloid cardiomyopathy last month left the space reeling—and readjusting. BioSpace looks at five con…
    biospace · 9d ago
  • Ionis' top scientist Frank Bennett to retire; Recursion selects its first AI chief
    After 37 years, Frank Bennett is retiring from Ionis Pharmaceuticals. Bennett started at Ionis as a founding scientist in 1989 and climbed to the role of CSO. Bennett will retire in February 2027,…
    endpoints · 12d ago
  • Alnylam plunges as earnings deliver ‘one-two punch’
    The RNA-focused biotech shed 30% of its market value — or close to $12 billion — amid growing investor concerns about its main drug business.
    biopharma_dive · 12d ago
  • Chutes & Ladders—Legend CEO departs without successor in place
    Legend Biotech CEO Ying Huang, Ph.D., has left the company suddenly, without a predecessor in place. Huang was elevated from CFO to CEO in 2020 after a Chinese customs investigation was opened on f…
    fiercebiotech · 12d ago
  • Biogen validated the Alzheimer’s tau theory. CEO Viehbacher still isn’t betting the store
    With so many unknowns, Biogen is carefully eyeing its next-gen Alzheimer’s treatment diranersen as a high-risk, high-reward project with the potential for a major payout around 2030.
    biospace · 13d ago
  • FDA reviewers criticize Replimune drug; ProMIS climbs on Alzheimer’s data
    Replimune shares plummeted 40% on concerns FDA scientists are still skeptical of its melanoma drug. Elsewhere, investors had a muted reaction to a first-of-its-kind study result.
    biopharma_dive · 14d ago
view all news mentions →
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$IONS
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