Insider Tracker SEC Form 4 insider trades
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NCLH

Norwegian Cruise Line Holdings Ltd.

75
Insider Score Band 60–79

Research score, not a recommendation.

Total bought$1.8M7 Form 4 purchases
Distinct insiders7open-market buyers
Lead insiderSommer HarryCEO
Cluster window2025-11-06 → 2025-11-25closed

Market data

Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.

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Why this score

Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.

Breadth number & diversity of participating insiders
100%
Seniority executive rank of buyers (CEO/CFO/Director)
91%
Commitment purchase size relative to company & holdings
44%
Context buying into stock weakness signals conviction
64%
Timing coordinated purchases within a tight window
93%
Routine-purchase discount × 1.00
Company-type / offering discount × 1.00
Net insider selling penalty − 0

Why are they buying?

No explanation has been generated for this cluster. The filings in the table below are the primary evidence.

Stock Price & Insider Purchase History

Daily close price with open-market insider purchases plotted over time

Loading price history…

Transactions

7 Form 4 trades · 7 insiders Sign in to download CSV
Purchases in this cluster, grouped by insider, largest first
Date Insider Role Shares Price Value Filing
2025-11-06 Byng-Thorne Zillah 4 purchases with a 63-day result · median +0.4% Director 29,008 $18.11 $525.3K SEC filing for Byng-Thorne Zillah (opens in a new tab)
2025-11-06 Sommer Harry history of Sommer Harry's purchases CEO 25,000 $18.52 $463.0K SEC filing for Sommer Harry (opens in a new tab)
2025-11-06 Montague Jason history of Montague Jason's purchases Other C-suite 13,400 $18.81 $252.1K SEC filing for Montague Jason (opens in a new tab)
2025-11-06 Kempa Mark history of Kempa Mark's purchases CFO 10,635 $18.53 $197.1K SEC filing for Kempa Mark (opens in a new tab)
2025-11-06 David Stella history of David Stella's purchases Director 6,986 $18.59 $129.9K SEC filing for David Stella (opens in a new tab)
2025-11-25 Dahlgren Patrik history of Dahlgren Patrik's purchases Other C-suite 5,550 $17.94 $99.6K SEC filing for Dahlgren Patrik (opens in a new tab)
2025-11-07 Curtis Harry C history of Curtis Harry C's purchases Director 5,000 $19.25 $96.2K SEC filing for Curtis Harry C (opens in a new tab)
Total $1.8M

Other buying runs at NCLH

A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.

After this run became a cluster: 21 days -0.6%63 days +24.0%126 days -24.3%

Other insider buying runs at this company, newest first, with the return against the benchmark that followed
Window Insiders Total Score 21 days63 days126 days Status
2026-05-07 → 2026-06-02 7 $29.2M 81 +21.6%+17.2%– active