ZT
Insider
Zillah Byng-Thorne
DirectorZillah Byng-Thorne (Director) filed 2 Form 4 reports in the trailing twelve months (2 purchases, 0 sales), most often in Norwegian Cruise Line Holdings Ltd. (NCLH). Across 2 priced purchase filings, the average 21-session return was +3.3% from execution and +3.7% from disclosure (delay-adjusted; derived). The largest single filing was $525K of NCLH (29,008 sh × $18.11, as filed), executed Nov 6 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+3.3%
avg across 2 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+3.7%
same 2 filings, from disclosure
Filings, ttm
2
2 buys · 0 sells
Median delay
4d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$967K
shares × price, as filed
Last traded
May 7
Filed May 11
Median ADV $429.7M across their filed names
Open performance→Volume by month
Buys $1.2M
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Consumer Cyclical
2 filings
Sector per market data · by filing · past 12 months
Most traded names
NCLHRecent filings
NCLHPURCHASE
Norwegian Cruise Line Holdings Ltd.
View filing →
$442K25,015 sh × $17.67
Exec May 7
Filed May 11 · 8:00 AM ET NCLHPURCHASE Norwegian Cruise Line Holdings Ltd. View filing → $525K
29,008 sh × $18.11
Exec Nov 6 2025
Filed Nov 10 2025 · 8:00 AM ET NCLHPURCHASE Norwegian Cruise Line Holdings Ltd. View filing → $197K
7,930 sh × $24.85
Exec Nov 4 2024
Filed Nov 5 2024 · 5:30 PM ET