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Ionis Pharmaceuticals Inc
NASDAQ:IONS

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Ionis Pharmaceuticals Inc
NASDAQ:IONS
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Price: 75.26 USD -2.03% Market Closed
Market Cap: $12.4B

During the last 3 months Ionis Pharmaceuticals Inc insiders have not bought any shares, and sold 48m USD worth of shares. The stock price has dropped by 3% over this period (open performance analysis).

The last transaction was made on Apr 2, 2026 by Devers Shannon L. , who sold 458.6k USD worth of IONS shares.

Last Transactions:
Devers Shannon L.
$-458.6k
Klein Joseph Iii
Chief Accounting Officer
$-1.5m
Schneider Eugene
$-412.5k
Hougen Elizabeth L
$-744.7k
Hougen Elizabeth L
Chief Legal Officer
$-14.9m
Jenne Kyle
$-1.6m
Monia Brett P
$-1.2m
O'neil Patrick R.
Executive Vice President, Chief Legal Officer and Secretary
$-763.7k
Monia Brett P
Chief Information Officer
$-547.1k
Loscalzo Joseph
$-16k
Baroldi Joseph
$-19k
Diaz Allene M.
Chief Legal Officer and Corporate Secretary
$-3.1m
Bennett C Frank
Chief Business Officer
$-5.7m
Loscalzo Joseph
Chief Legal Officer
$-66.8k
Klein Joseph Iii
Chief Accounting Officer
$-1.1m
Devers Shannon L.
Chief Legal Officer and Secretary
$-1.1m
Baroldi Joseph
Chief Information Officer
$-325.1k
Swayze Eric
$-769.5k
Parshall B Lynne
Senior Vice President, Chief Legal Officer and Secretary
$-413.6k
Monia Brett P
$-2.5m
Bennett C Frank
$-1.7m
Bennett C Frank
$-488.1k
Hougen Elizabeth L
$-581.7k
O'neil Patrick R.
$-516.2k
Birchler Brian
$-513k
Schneider Eugene
$-515.6k
Baroldi Joseph
$-439.4k
Monia Brett P
$-5.2m
Swayze Eric
$-512.4k
Devers Shannon L.
$-323.5k
Jenne Kyle
$-138.5k
Schneider Eugene
$-703.1k
View All Transactions

During the last 3 months Ionis Pharmaceuticals Inc insiders have not bought any shares, and sold 48m USD worth of shares. The stock price has dropped by 3% over this period (open performance analysis).

The last transaction was made on Apr 2, 2026 by Devers Shannon L. , who sold 458.6k USD worth of IONS shares.

Sold
0-3
months
48m USD
14
3-6
months
22.8m USD
16
6-9
months
40.3m USD
15
9-12
months
48.4k USD
1
Bought
0-3
months
0
0 USD
3-6
months
0
0 USD
6-9
months
0
0 USD
9-12
months
1
477.9k USD

Ionis Pharmaceuticals Inc
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Ionis Pharmaceuticals Inc
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Ionis Pharmaceuticals Inc
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Ionis Pharmaceuticals Inc
Glance View

In the realm of pharmaceutical innovation, Ionis Pharmaceuticals Inc. has carved a niche defined by its pioneering efforts in antisense technology. Founded in 1989, Ionis stands as a trailblazer in the development of RNA-targeted therapies, which deviate from the traditional drug development pathways by focusing on genetic solutions. The company specializes in antisense oligonucleotides—short, synthetic strands of DNA or RNA designed to bind selectively to specific messenger RNA (mRNA). By doing so, they aim to modulate the expression of genes associated with various diseases. This unique approach allows Ionis to address ailments at the genetic level, potentially preventing the production of disease-causing proteins, thus offering alternative therapeutic options for serious diseases. Ionis Pharmaceuticals monetizes its scientific breakthroughs through a diverse revenue stream model. It engages in multiple collaborative partnerships with major pharmaceutical companies, such as Biogen and AstraZeneca, which provide upfront payments, milestone-based fees, and royalties on lucrative antisense drugs that emerge from these alliances. Furthermore, Ionis holds an extensive internal pipeline, advancing proprietary drugs through various stages of research and clinical trials. By strategically balancing in-house projects with external collaborations, Ionis capitalizes on its innovative platform while mitigating financial risks. This dual-strategy not only sustains the company financially but positions it at the forefront of personalized medicine, potentially revolutionizing the landscape of therapeutic development.

IONS Intrinsic Value
45.28 USD
Overvaluation 40%
Intrinsic Value
Price $75.26

What is Insider Trading?

Insider trading refers to the buying or selling of a company’s stock by individuals with access to non-public, material information about the company.

While legal insider trading occurs when insiders follow disclosure rules, illegal insider trading involves trading based on confidential information and is prohibited by law.

Why is Insider Trading Important?

It isn't a coincidence that corporate executives seem to always buy at the right times. After all, they have access to every bit of company information you could ever want.

However, the fact that company executives have unique insights doesn't mean that individual investors are always left in the dark. Insider trading data is out there for all who want to use it.

Peter Lynch

Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.

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