The director's purchase after a pipeline miss and mixed earnings is a modest vote of confidence, but the dollar amount is trivial relative to market cap. Monitor for additional insider buying or selling in the next 2-4 weeks to gauge whether this was a one-off or the start of a pattern. The upcoming catalyst is the company's next pipeline update for eplontersen in other indications.
Price Chart
Executive Summary
Director Michael Hayden made two open-market purchases of IONS stock totaling $1.06M on July 30-31, 2026, at prices between $51.60 and $53.38. This insider buying follows the company's Q2 2026 earnings release (revenue beat but GAAP EPS miss) and the CARDIO-TTRansform study miss for eplontersen. The purchases represent ~0.012% of the $8.8B market cap, a trivial amount, but the director's conviction buying after a pipeline setback is notable.
Key Financial Metrics
Key Facts
- Director Michael Hayden purchased 20,000 shares total for $1.06M on July 30-31, 2026
- Purchases occurred at $53.38 (15K shares) and $51.60 (5K shares)
- Total insider buying is ~0.012% of IONS $8.8B market cap
- Q2 2026 revenue of $268M beat consensus of $190.1M, but GAAP EPS of -$0.69 missed consensus of -$0.88
- CARDIO-TTRansform study of eplontersen in ATTR-CM missed its primary endpoint
- Insider buying follows a 30d period of 2 buys totaling $1.1M and 1 sell totaling $31K
Financial Impact
$1.06M in insider purchases, ~0.012% of market cap
Risk Factors
- CARDIO-TTRansform miss may weigh on eplontersen's commercial prospects
- GAAP EPS miss vs. consensus despite revenue beat
- Single director purchase is not a strong signal; no C-suite buying
- Historical T+20 performance on IONS reports has been negative (avg -28.3%)
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| INSIDER-BUY Data (Synthetic) | 0000874015-26-000254 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 4, 2026 29d ago | 8-K | $56.71 $47.25 | ▲ +16.68% | ▲ +15.56% | $43.54 (+23.22%) |
Sep 4, 2026 29d ago | 8-K | $58.09 $51.44 | ▼ −11.45% | ▼ −10.24% | $43.54 (−25.05%) |
Jul 31, 2026 9w ago | Insider Buy | $51.77 $56.56 | ▲ +9.25% | ▲ +5.74% | $43.54 (−15.90%) |
Jul 29, 2026 9w ago | 8-K | $54.04 $54.19 | ▲ +0.28% | ▼ −5.25% | $43.54 (−19.43%) |
Jul 10, 2026 12w ago | 8-K | $58.25 $54.65 | ▼ −6.18% | ▼ −5.62% | $43.54 (−25.25%) |
Jul 9, 2026 12w ago | Insider Cluster | $58.25 $54.65 | ▼ −6.18% | ▼ −5.62% | $43.54 (−25.25%) |
Jul 9, 2026 12w ago | Insider Cluster | $58.25 $54.65 | ▼ −6.18% | ▼ −5.62% | $43.54 (−25.25%) |
Jul 9, 2026 12w ago | 8-K | $64.27 $54.65 | ▲ +14.97% | ▲ +14.84% | $43.54 (+32.25%) |
Jun 30, 2026 13w ago | Insider Cluster | $79.19 $86.33 | ▲ +9.02% | ▲ +8.75% | $43.54 (−45.02%) |
Jun 30, 2026 13w ago | Insider Cluster | $79.19 $86.33 | ▲ +9.02% | ▲ +8.75% | $43.54 (−45.02%) |
US Market Status
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