Monitor for follow-up filings to determine if this is a full exit or partial reduction; such a concentrated sell-off by a known activist or institutional holder may signal deteriorating confidence or portfolio rebalancing, potentially prompting broader investor concern.
Price Chart
Executive Summary
JANA Partners Management, LP sold a total of 452,057 MRCY shares in the open market over three days, realizing approximately $38.4 million in proceeds. This represents a significant reduction in their stake by a major institutional holder.
Key Financial Metrics
Key Facts
- JANA Partners sold 452,057 shares of MRCY in three consecutive days (March 2–4, 2026).
- All transactions were open-market sales (S) with no offsetting purchases.
- Total proceeds from the sales: ~$38.4 million.
- Sales represent ~0.71% of MRCY's $5.4B market cap, a material insider disposition.
Financial Impact
$38.4 million in open-market sales by a major holder, equivalent to 0.71% of market capitalization
Risk Factors
- Perceived loss of confidence from a significant shareholder could pressure the stock.
- Potential for further selling if JANA continues to reduce its position.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (3 trades, 7d window) | cluster-MRCY-1772708497946 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 13, 2026 13d ago | Press Release | $75.69 | awaiting T+20 | — | $79.02 (+4.40%) |
Sep 16, 2026 5w ago | 8-K | $87.25 $76.71 | ▼ −12.08% | ▼ −15.26% | $79.02 (−9.43%) |
Aug 27, 2026 8w ago | Insider Cluster | $88.54 $80.12 | ▼ −9.51% | ▼ −9.02% | $79.02 (−10.75%) |
Aug 25, 2026 8w ago | Insider Cluster | $89.76 $83.18 | ▲ +7.34% | ▲ +7.56% | $79.02 (+11.97%) |
Aug 21, 2026 9w ago | Insider Cluster | $89.59 $83.88 | ▼ −6.37% | ▼ −7.67% | $79.02 (−11.80%) |
Aug 19, 2026 9w ago | Insider Cluster | $94.23 $85.28 | ▲ +9.50% | ▲ +9.50% | $79.02 (+16.14%) |
Aug 19, 2026 9w ago | Insider Cluster | $94.23 $85.28 | ▼ −9.50% | ▼ −9.50% | $79.02 (−16.14%) |
Aug 19, 2026 9w ago | Insider Cluster | $94.23 $85.28 | ▼ −9.50% | ▼ −9.50% | $79.02 (−16.14%) |
Aug 18, 2026 9w ago | Press Release | $101.25 $86.18 | ▼ −14.88% | ▼ −12.93% | $79.02 (−21.96%) |
Jul 28, 2026 12w ago | Press Release | $90.17 | awaiting T+20 | — | $79.02 (−12.37%) |
US Market Status
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