Form 4 Tracker
Michael Garnreiter

Director · 3 filings · Latest: May 29, 2026

AMTECH SYSTEMS INC
AXON ENTERPRISE, INC.
Knight-Swift Transportation Holdings Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
ASYS
Michael GarnreiterDirectorMar 5, 2026
Option Exercise
$0.008,081—38,569
AXON
THE GARNREITER FAMILY TRUST—Jun 4, 2025
Proposed Sale
$760.005,913$4.5M—
AXON
THE GARNREITER FAMILY TRUST—Jun 3, 2025
Proposed Sale
$760.0087$66.1K—
AXON
THE GARNREITER FAMILY TRUST U/A DTD 08/15/2017—Dec 16, 2024
Proposed Sale
$644.911,000$644.9K—