Insider Trading March 5, 2026

Ionis Director Executes $4.35 Million in Stock Sales, Exercises Options as FDA Review Advances

Allene M. Diaz sold 54,878 Ionis shares under a 10b5-1 plan and exercised options; company awaits FDA decision on olezarsen by June 30, 2026

By Maya Rios IONS
Ionis Director Executes $4.35 Million in Stock Sales, Exercises Options as FDA Review Advances
IONS

Allene M. Diaz, a director at Ionis Pharmaceuticals, sold $4.35 million of company stock on March 3, 2026, and exercised options to acquire an additional 40,321 shares. The transactions occurred under a Rule 10b5-1 plan and follow a period of strong one-year performance for the stock. Separately, Ionis has an FDA decision pending for olezarsen and is presenting new clinical data for DAWNZERA, while analysts have updated price targets.

Key Points

  • Director Allene M. Diaz sold 54,878 Ionis shares on March 3, 2026, for approximately $4.35 million at prices between $79.114 and $80.799.
  • Diaz exercised options to acquire 40,321 shares at strike prices of $38.06 to $41.08, with the exercises valued at $1601606; she now directly holds 3,811 shares.
  • Ionis has an FDA decision on the supplemental NDA for olezarsen expected by June 30, 2026; the application is supported by Phase 3 data showing reductions in triglycerides and acute pancreatitis events. Analyst firms have adjusted price targets to $90 (Bernstein), $77 (Stifel), and $95 (Morgan Stanley).

Allene M. Diaz, a member of the board of directors at Ionis Pharmaceuticals Inc (NASDAQ: IONS), completed a set of stock transactions on March 3, 2026, that included the sale of common shares and the exercise of previously held options.

Share sales and pricing

Diaz sold a total of 54,878 shares of Ionis common stock across multiple transactions on March 3, 2026. The sales were executed at prices ranging from $79.114 to $80.799 per share, resulting in aggregate proceeds of approximately $4.35 million. At the time of reporting, Ionis shares were trading at $75.16, below the prices at which the director sold.

Option exercises

In addition to the open-market sales, Diaz exercised options to acquire 40,321 shares of Ionis common stock. The strike prices on those options ranged from $38.06 to $41.08, and the option exercises had a total value of $1601606.

Holding and plan details

The sales were carried out under a Rule 10b5-1 trading plan that Diaz adopted on November 25, 2025. Following these transactions, Diaz directly owns 3,811 shares of Ionis Pharmaceuticals.

Company performance and expectations

Despite the director-level selling at higher levels, Ionis shares have delivered strong returns over the last year, rising 122.7 percent. Notwithstanding that performance, an InvestingPro analysis cited in the company reporting indicates Ionis is not expected to be profitable this year.

Clinical and regulatory developments

Separately from the insider transactions, Ionis has continued to advance its clinical and regulatory agenda. The U.S. Food and Drug Administration has accepted a supplemental New Drug Application for olezarsen, a therapy targeting severe hypertriglyceridemia, and has set a target decision date of June 30, 2026. The application is supported by Phase 3 trials that demonstrated meaningful reductions in triglyceride levels and in acute pancreatitis events.

Ionis is also presenting new data on DAWNZERA, its treatment for hereditary angioedema, at the American Academy of Allergy, Asthma & Immunology Annual Meeting.

Analyst actions

Following recent developments, several analyst firms have adjusted their price targets for Ionis. Bernstein raised its target to $90, citing confidence in forthcoming Phase 3 results. Stifel increased its target to $77 while noting a cautious stance in light of below-expectation topline guidance for 2026. Morgan Stanley set a new target of $95, pointing to strong commercial execution despite softer guidance for the upcoming year. These target revisions underscore continued analyst attention on Ionis amid its clinical and commercial progress.


Note on scope

The reporting above reflects disclosed transactions and company announcements as presented in filings and company statements. It does not add or infer facts beyond those disclosures.

Risks

  • Regulatory outcome uncertainty - The FDA decision on the supplemental NDA for olezarsen is pending with a target date of June 30, 2026, and represents a near-term binary regulatory event that could affect clinical and commercial prospects. (Impacted sectors: biotech, healthcare.)
  • Profitability risk - An InvestingPro analysis indicates Ionis is not expected to be profitable this year, which poses earnings and cash flow uncertainty for the company. (Impacted sectors: biotech, healthcare, equity markets.)
  • Guidance and commercial performance risk - Stifel noted a cautious outlook tied to below-expectation topline guidance for 2026, signaling potential downside to expectations if guidance and execution diverge from analyst assumptions. (Impacted sectors: biotech, healthcare, financial markets.)

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