The sheer size of the Fairmount sale ($399.7M, ~5.2% of market cap) is a strong bearish signal, but its interpretation depends on whether Fairmount is a strategic holder or a fund with a concentrated position. Monitor for any 13D filing or press release explaining the sale. If Fairmount is exiting entirely, expect further selling pressure. The CFO's small sale ($436K) is routine post-exercise and less informative.
Price Chart
Executive Summary
A massive insider selling cluster at Spyre Therapeutics (SYRE) saw $402M in open-market sales over four days, led by director Fairmount Funds Management LLC liquidating 4.68M shares ($399.7M) at $85.31. CFO Scott Burrows also sold $436K after exercising options, and director Michael Henderson sold $2M at $100. The $402M total represents ~5.2% of SYRE's $7.7B market cap, a highly material signal, though the dominant seller (Fairmount) is a fund director whose sale may reflect portfolio rebalancing rather than company-specific bearishness.
Key Financial Metrics
Key Facts
- Total insider sales of $402.09M over 4 days, representing ~5.2% of SYRE's $7.7B market cap
- Fairmount Funds Management LLC (Director) sold 4,684,781 shares at $85.31 for $399.66M on 2026-06-23
- CFO Scott Burrows sold 5,000 shares at $87.12 for $435,600 on 2026-06-25 after exercising options
- Director Michael Henderson sold 20,000 shares at $100.00 for $2.00M on 2026-06-22
- No open-market purchases in the cluster; all cash transactions were sales
- Recent 30-day insider activity shows $402.7M in total sales, nearly all from this cluster
Financial Impact
Insider sales of $402.09M represent ~5.2% of SYRE's $7.7B market cap, a highly material signal. The dominant seller (Fairmount) alone sold $399.7M.
Risk Factors
- Fairmount's sale may be fund-level rebalancing, not company-specific bearishness
- CFO Burrows' sale is small and likely liquidity-driven after option exercise
- No insider buying to offset the selling signal
- Historical calibration shows score-7 reports on this segment have only 30-38% observed probability of up-move at T+20, suggesting bearish calls at this score have been directionally correct
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-SYRE-1782523946746 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 4, 2026 28d ago | Insider Cluster | $88.98 $90.80 | ▼ −2.05% | ▼ −3.25% | $93.19 (−4.73%) |
Aug 11, 2026 7w ago | Insider Cluster | $102.74 $107.82 | ▼ −4.94% | ▼ −5.35% | $93.19 (+9.30%) |
Aug 6, 2026 8w ago | Insider Cluster | $103.42 $101.85 | ▲ +1.52% | ▲ +2.73% | $93.19 (+9.89%) |
Jul 3, 2026 13w ago | Insider Cluster | $86.63 $98.75 | ▲ +13.99% | ▲ +13.06% | $93.19 (+7.57%) |
Jun 27, 2026 13w ago | Insider Cluster | $90.16 $88.74 | ▲ +1.57% | ▲ +2.96% | $93.19 (−3.36%) |
Jun 26, 2026 14w ago | S-3ASR | $90.16 $88.74 | ▼ −1.57% | ▼ −2.96% | $93.19 (+3.36%) |
Jun 24, 2026 14w ago | Insider Cluster | $86.24 $88.89 | ▼ −3.07% | ▼ −1.37% | $93.19 (−8.06%) |
Jun 15, 2026 15w ago | 8-K | $83.58 $100.32 | ▲ +20.03% | ▲ +21.41% | $93.19 (+11.50%) |
Jun 12, 2026 16w ago | Institutional Cluster | $80.79 $88.34 | ▲ +9.35% | ▲ +8.67% | $93.19 (+15.35%) |
Jun 11, 2026 16w ago | Institutional Cluster | $80.77 $87.49 | ▲ +8.32% | ▲ +7.89% | $93.19 (+15.38%) |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access