Display PowerScript Header result once only

Is it possible to control the output of the following script such that it will only show header once when looping through logfiles in a folder ?  Thx

Result
---------
date       time     Username    IP            UserAgent              
----       ----     --------    --            ---------              
2018-07-07 19:46:49 abc\johnlee 40.69.186.133 Outlook-iOS-Android/1.0
2018-07-07 20:40:50 abc\johnlee 40.69.186.133 Outlook-iOS-Android/1.0

date       time     Username    IP            UserAgent              
----       ----     --------    --            ---------              
2018-07-07 19:46:49 abc\johnlee 40.69.186.133 Outlook-iOS-Android/1.0
2018-07-07 20:40:50 abc\johnlee 40.69.186.133 Outlook-iOS-Android/1.0

Powershell Script
-------------------------
$userName = "johnlee"

$logFile = Get-ChildItem C:\Temp -Recurse -Include myTest* |  Select-Object -First 1 | Select FullName
$logFiles = Get-ChildItem C:\Temp -Recurse -Include myTest* | Select FullName

$header = (Get-Content -Path $logFile.FullName -TotalCount 4)[-1] -replace '\A#Fields:\s' -split ' '
 
foreach ($currentlog in $logFiles) {
  Get-Content -Path $currentlog.FullName | Select-Object -Skip 4 | ConvertFrom-Csv -Header $header -Delimiter ' ' |
      Where-Object {$_.'cs-username' -Match $userName} |
      Select-Object -Property Date, Time, @{n='Username'; e={$_.'cs-username'}}, @{n='IP'; e={$_.'c-ip'}}, @{n='UserAgent'; e={$_.'cs(User-Agent)'}} | Format-Table -AutoSize}