KC
Insider
Kenneth S. Courtis
DirectorKenneth S. Courtis (Director) filed 15 Form 4 reports in the trailing twelve months (15 purchases, 0 sales, 3 filed past the two-business-day deadline), most often in Alpha Metallurgical Resources, Inc. (AMR). Across 10 priced purchase filings, the average 21-session return was +11.1% from execution and +6.7% from disclosure (delay-adjusted; derived). The largest single filing was $6.3M of AMR (36,000 sh across 5 lots, as filed), executed Dec 8 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+11.1%
avg across 10 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+6.7%
same 10 filings, from disclosure
Filings, ttm
15
15 buys · 0 sells · 3 late
Median delay
2d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$41.4M
shares × price, as filed
Last traded
Sep 8
Filed Sep 8
Median ADV $38.0M across their filed names
Impact on $10,000 · 12M
$10,207 (+2.1%)
S&P 500 $11,723 (+17.2%) · 15.2 pts behind
Kenneth S. Courtis
S&P 500
Compounded across filings from disclosure dates · past 12 months
Open performance→Volume by month
Buys $59.9M
Sells $2.4M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Basic Materials
15 filings
Sector per market data · by filing · past 12 months
Most traded names
AMR
Alpha Metallurgical Resources, Inc.
AMR · 17 buys · 1 sell
18 filings
Recent filings
AMRPURCHASE
Alpha Metallurgical Resources, Inc.
View filing →
$1.9M10,000 sh across 4 lots
Exec Mar 11
Filed Mar 13 · 8:12 PM ET AMRPURCHASE Alpha Metallurgical Resources, Inc. View filing → $2.7M
15,000 sh across 5 lots
Exec Mar 10
Filed Mar 12 · 7:57 PM ET AMRPURCHASE Alpha Metallurgical Resources, Inc. View filing → $4.3M
24,560 sh across 6 lots
Exec Mar 9
Filed Mar 11 · 9:45 PM ET AMRPURCHASE Alpha Metallurgical Resources, Inc. View filing → $1.4M
7,301 sh across 3 lots
Exec Dec 15 2025
Filed Dec 17 2025 · 4:53 PM ET AMRPURCHASE Alpha Metallurgical Resources, Inc. View filing → $2.4M
13,000 sh across 8 lots
Exec Dec 10 2025
Filed Dec 12 2025 · 8:10 PM ET AMRPURCHASE Alpha Metallurgical Resources, Inc. View filing → $6.0M
33,042 sh across 18 lots
Exec Dec 9 2025
Filed Dec 16 2025 · 6:44 PM ET † AMRPURCHASE Alpha Metallurgical Resources, Inc. View filing → $6.3M
36,000 sh across 5 lots
Exec Dec 8 2025
Filed Dec 10 2025 · 7:27 PM ET AMRPURCHASE Alpha Metallurgical Resources, Inc. View filing → $16.0M
107,800 sh across 11 lots
Exec Sep 12 2025
Filed Sep 17 2025 · 9:43 PM ET † More filings →