CS
Insider
Christopher S Shackelton
DirectorChristopher S Shackelton (Director) filed 6 Form 4 reports in the past 24 months (3 purchases, 3 sales), most often in Universal Technical Institute, Inc. (UTI). Across 2 priced purchase filings, the average 21-session return was +2.8% from execution and +5.8% from disclosure (delay-adjusted; derived). The largest single filing was $37.3M of GMS (338,627 sh across 3 lots, as filed), executed Jul 14 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+2.8%
avg across 2 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+5.8%
same 2 filings, from disclosure
Filings, ttm
6
3 buys · 3 sells
Median delay
4d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$109.8M
shares × price, as filed
Last traded
Jul 16 2025
Filed Jul 16 2025
Median ADV $31.4M across their filed names
33% of their measured filings could not be priced (delisted or unquoted names). The returns above cover only what still trades.
Open performance→Volume by month
Buys $35.2M
Sells $74.6M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Consumer Defensive
2 filings
Technology
1 filing
Not on file
3 filings
Sector per market data · by filing · past 24 months
Most traded names
UTIRecent filings
GMSSALE
GMS Inc.
View filing →
$37.3M338,627 sh across 3 lots
Exec Jul 14 2025
Filed Jul 16 2025 · 5:30 PM ET SONOPURCHASE Sonos, Inc. View filing → $4.2M
423,428 sh across 3 lots
Exec Jun 20 2025
Filed Jun 24 2025 · 5:30 PM ET UTISALE Universal Technical Institute, Inc. View filing → $17.5M
500,000 sh × $35.00
Exec May 27 2025
Filed May 29 2025 · 5:30 PM ET OMIPURCHASE OWENS & MINOR INC/VA/ View filing → $27.4M
2,893,412 sh across 3 lots
Exec Feb 28 2025
Filed Mar 4 2025 · 5:30 PM ET UTISALE Universal Technical Institute, Inc. View filing → $19.9M
704,881 sh × $28.20
Exec Feb 10 2025
Filed Feb 11 2025 · 5:30 PM ET MCFTPURCHASE MasterCraft Boat Holdings, Inc. View filing → $3.5M
189,945 sh across 3 lots
Exec Dec 26 2024
Filed Dec 30 2024 · 5:30 PM ET