Donfris Michael J — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Donfris Michael J has filed 1 SEC Form 4 filing across 1 company in the last 90 days.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-18GBXGREENBRIER COMPANIES INCF — Tax withholding / forfeiture351$49.33$17K
2024-10-21GBXGREENBRIER COMPANIES INCF — Tax withholding / forfeiture156$52.64$8K
2024-10-21GBXGREENBRIER COMPANIES INCA — Grant or award8.9K$0.00

Companies — Last 90 Days

Frequently Asked Questions

Who is Donfris Michael J?

Donfris Michael J is a corporate insider — currently tracked as SVP, CFO of GREENBRIER COMPANIES INC (GBX). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Donfris Michael J submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Where can I see all of Donfris Michael J's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live Donfris Michael J profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.