MIRM Mirum Pharmaceuticals, Inc.

NEUTRAL Impact: 2/10 144
Horizon immediate Filed Jun 1, 2026 Processed 3d 23h ago SEC 0001950047-26-005336
Form 144 — notice of proposed sale of securities
Latest settled — T+1d
MIRM ▼ -0.36% at T+1d
NEUTRAL call ✗ call lost -0.36% · α vs SPY +0.33% · entry $92.17 → $91.84
Next anchor: T+5d in 3d
Currently $93.43 · +1.37% from $92.17 entry
Entry anchored
Jun 1, 03:59 PM ET
via Databento tick
T+1d
-0.36%
call -0.36% · α +0.33%
$91.84
settled 3d ago
T+5d
call — · α —
in 3d
T+20d
call — · α —
in 25d
T+60d
call — · α —
in 3mo

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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.

Actionable Insight

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.

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

insider holdings

Risk Factors

  • No material risk identified from this filing alone.

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
94% bullish (17 analysts)

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (Primary)0001950047-26-005336
Document: 0001950047-26-005336-index.html0001950047-26-005336
Document: 0001950047-26-005336.txt0001950047-26-005336
8 reports for MIRM
Performance horizon
67% Hit rate 2 of 3 directional calls best @ T+5▲ +14.39%Apr 27, 2026
Filters
Rows
Reports for MIRM — sortable, filterable
Type Now
Jun 2, 2026
2d ago
Insider Cluster
NEUTRAL ★ 2/10
awaiting T+1
Jun 1, 2026
3d ago
144
NEUTRAL ★ 3/10
awaiting T+1
Jun 1, 2026
3d ago
144
NEUTRAL ★ 2/10
$92.17 $91.84▼ −0.36%▲ +0.33%$93.43 (+1.37%)
May 18, 2026
17d ago
8-K
MIXED ★ 6/10
awaiting T+1
May 4, 2026
4w ago
8-K
BULLISH ★ 6/10
$105.79 $105.81▲ +0.02%▼ −0.78%$93.43 (−11.68%)
Apr 27, 2026
5w ago
8-K
BULLISH ★ 8/10
$92.48 $94.00▲ +1.64%▲ +2.13%$93.43 (+1.03%)
Apr 15, 2026
7w ago
144
NEUTRAL ★ 2/10
$95.86 $97.95▲ +2.18%▲ +0.97%$93.43 (−2.53%)
Feb 25, 2026
14w ago
8-K
BULLISH ★ 8/10
$108.62 $92.19▼ −15.13%▼ −14.58%$93.43 (−13.98%)
Showing 8 of 8

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