This is a routine Form 144 filing by a director following a consistent monthly sale pattern. No material signal for the stock. Monitor for any acceleration in insider selling volume or unexpected C-suite filings, but this filing alone warrants no action.
Price Chart
Executive Summary
Director Saira Ramasastry filed a Form 144 notice of intent to sell 3,977 shares of Mirum Pharmaceuticals common stock, valued at approximately $397,700 based on the filing date. This is a modest sale relative to the company's $6.2B market cap and follows a pattern of regular monthly sales by the director (2,000 shares each in March, April, and May 2026). The filing is routine and does not signal material insider concern.
Key Facts
- Director Saira Ramasastry filed Form 144 to sell 3,977 shares of MIRM common stock.
- Estimated sale value is approximately $397,700 based on filing date.
- Ramasastry has sold 2,000 shares per month in March, April, and May 2026, suggesting a pre-planned trading pattern.
- The sale represents a tiny fraction of the company's $6.2B market cap.
- Recent insider activity shows only 1 sell totaling $219K in the past 30 days, consistent with routine diversification.
Financial Impact
~$397,700 sale by a director, immaterial relative to $6.2B market cap
Risk Factors
- No material risk identified from this filing alone.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-005336 |
| Document: 0001950047-26-005336-index.html | 0001950047-26-005336 |
| Document: 0001950047-26-005336.txt | 0001950047-26-005336 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 19, 2026 6w ago | Insider Cluster | $102.24 $98.82 | ▼ −3.35% | ▼ −1.39% | $82.58 (−19.23%) |
Aug 12, 2026 7w ago | Insider Cluster | $98.97 $100.61 | ▲ +1.66% | ▲ +3.55% | $82.58 (−16.56%) |
Aug 11, 2026 7w ago | Insider Cluster | $98.97 $100.61 | ▼ −1.66% | ▼ −3.55% | $82.58 (+16.56%) |
Aug 10, 2026 7w ago | 144 | $98.23 $98.30 | ▲ +0.07% | ▲ +1.13% | $82.58 (−15.93%) |
Aug 5, 2026 8w ago | 8-K | $94.12 $100.63 | ▲ +6.92% | ▲ +6.32% | $82.58 (−12.26%) |
Jul 8, 2026 12w ago | Insider Cluster | $128.57 $105.79 | ▼ −17.72% | ▼ −20.99% | $82.58 (−35.77%) |
Jun 11, 2026 16w ago | Institutional Cluster | $99.54 $127.70 | ▲ +28.29% | ▲ +26.40% | $82.58 (−17.04%) |
Jun 10, 2026 16w ago | Insider Cluster | $94.00 $127.70 | ▲ +35.85% | ▲ +32.23% | $82.58 (−12.15%) |
Jun 2, 2026 17w ago | Insider Cluster | $91.84 $125.59 | ▲ +36.76% | ▲ +37.76% | $82.58 (−10.08%) |
Jun 1, 2026 17w ago | 144 | $92.17 $120.46 | ▲ +30.69% | ▲ +32.26% | $82.58 (−10.40%) |
US Market Status
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