PREM14A ·Filed Mar 18, 2026

MASI

MASIMO CORP
NEUTRAL
Impact 4/10
Horizonweeks Processed6mo ago SEC0001104659-26-031261
Preliminary proxy statement (merger-related)
Actionable Insight • Neutral

Monitor for the full filing release, which should disclose transaction details, fairness opinion, and voting recommendations. Consider potential for upcoming shareholder action or deal-related volatility.

DirectionNeutral
Confidencelow
Horizonweeks
Final — all horizons settled through T+60d
MASI ▲ +0.81% at T+60d
NEUTRAL call ✓ call won +0.81% · α vs SPY -13.54% · entry $178.51 → $179.95
Entry anchored
Mar 18, 03:59 PM ET
via exchange tick
T+1d
-0.45%
call -0.45% · α +1.29%
$177.71
settled 7mo ago
T+5d
-0.92%
call -0.92% · α +1.29%
$176.87
settled 6mo ago
T+20d
-0.31%
call -0.31% · α -7.93%
$177.96
settled 6mo ago
T+60d
+0.81%
call +0.81% · α -13.54%
$179.95
settled 4mo ago

Price Chart

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Executive Summary

Analysis based on filing metadata only — document content was unavailable. This is a PREM14A filing, indicating a preliminary proxy statement related to a proposed merger or significant transaction requiring shareholder approval. Without access to the actual document, specific details such as deal terms, vote agenda, or board recommendation cannot be determined.

Key Facts

  • Filing type PREM14A suggests a preliminary proxy statement for a material corporate event, likely a merger or acquisition.
  • Shareholder vote expected on a significant transaction, but specifics unknown due to missing document content.
  • No financial terms, deal structure, or board stance can be confirmed from available data.

Financial Impact

Not specified

Risk Factors

  • Uncertainty due to unavailable filing content limits ability to assess transaction merits or risks.
  • Potential for unexpected terms or conditions once full document is published.

Market Snapshot

Exchange
Nasdaq

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

Report based on filing metadata.

9 reports for MASI
Performance horizon
80% Hit rate 4 of 5 directional calls best @ T+60▲ +1.94%Feb 27, 2026
Filters
Rows
Reports for MASI — sortable, filterable
TypeNow
Jun 22, 2026
14w ago
15-12G
NEUTRAL ★ 4/10
—awaiting T+5——
Jun 10, 2026
16w ago
8-K
BULLISH ★ 8/10
$179.95 $179.95· 0.00%▼ −2.14%—
May 4, 2026
21w ago
8-K
BULLISH ★ 8/10
$177.90 $178.08▲ +0.10%▼ −2.83%—
Apr 21, 2026
23w ago
Court Ruling
BEARISH ★ 6/10
$178.21 $178.10▲ +0.06%▲ +1.15%—
Apr 1, 2026
26w ago
DEFM14A
BULLISH ★ 8/10
$177.95 $177.88▼ −0.04%▼ −3.80%—
Mar 18, 2026
28w ago
PREM14A
NEUTRAL ★ 4/10
$178.51 $176.87▼ −0.92%▲ +1.29%—
Feb 27, 2026
30w ago
DFAN14A
BULLISH ★ 9/10
$175.27 $175.42▲ +0.09%▲ +1.29%—
Jan 23, 2026
36w ago
Court Ruling
NEUTRAL ★ 2/10
$140.64 $137.02▼ −2.57%▼ −2.96%—
Jan 23, 2026
36w ago
Court Ruling
NEUTRAL ★ 2/10
$140.64 $137.02▼ −2.57%▼ −2.96%—
Showing 9 of 9

US Market Status

Market Closed — Opens Mon (65h 9m)

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