MITTELSTAEDT RONALD J — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

MITTELSTAEDT RONALD J has filed 2 SEC Form 4 filings across 2 companies in the last 90 days — active on both sides. Lifetime open-market purchases: $7.61M. Lifetime open-market sales: $2.80M.

Profile

MITTELSTAEDT RONALD J

Ronald J. Mittelstaedt is a prominent executive known for his role as President and CEO of SkyWest Inc., a major player in the regional airline industry. He has also held significant positions at Waste Connections, Inc., contributing to his reputation in the transportation and waste management sectors.

RoleInsider
Notability50/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-05-13WCNWaste Connections, Inc.P — Open-market purchase50.0K$152.24$7.61M
2026-05-07SKYWSKYWEST INCA — Grant or award1.2K$0.00
2026-02-20WCNWaste Connections, Inc.F — Tax withholding / forfeiture346$162.76$56K
2026-02-20WCNWaste Connections, Inc.M — Option exercise878$0.00
2026-02-18WCNWaste Connections, Inc.F — Tax withholding / forfeiture181$161.28$29K
2026-02-18WCNWaste Connections, Inc.M — Option exercise459$0.00
2026-02-18WCNWaste Connections, Inc.F — Tax withholding / forfeiture764$161.28$123K
2026-02-18WCNWaste Connections, Inc.M — Option exercise1.9K$0.00
2026-02-18WCNWaste Connections, Inc.F — Tax withholding / forfeiture4.3K$161.28$688K
2026-02-18WCNWaste Connections, Inc.M — Option exercise10.8K$0.00
2026-02-18WCNWaste Connections, Inc.F — Tax withholding / forfeiture1.0K$161.28$163K
2026-02-18WCNWaste Connections, Inc.M — Option exercise2.6K$0.00
2026-02-18WCNWaste Connections, Inc.F — Tax withholding / forfeiture815$160.26$131K
2026-02-18WCNWaste Connections, Inc.M — Option exercise3.1K$0.00
2026-02-18WCNWaste Connections, Inc.F — Tax withholding / forfeiture854$160.26$137K
2026-02-18WCNWaste Connections, Inc.M — Option exercise3.5K$0.00
2025-05-06SKYWSKYWEST INCA — Grant or award1.3K$0.00
2024-12-02WCNWaste Connections, Inc.G — Bona-fide gift11.0K$0.00
2024-11-08SKYWSKYWEST INCS — Open-market sale25.0K$112.06$2.80M

Companies — Last 90 Days

Frequently Asked Questions

Who is MITTELSTAEDT RONALD J?

Ronald J. Mittelstaedt is a prominent executive known for his role as President and CEO of SkyWest Inc., a major player in the regional airline industry. He has also held significant positions at Waste Connections, Inc., contributing to his reputation in the transportation and waste management sectors.…

How many SEC Form 4 filings has MITTELSTAEDT RONALD J submitted recently?

2 primary Form 4 filings in the last 90 days, covering 2 companies.

Has MITTELSTAEDT RONALD J been buying or selling stock?

Recorded transactions: 1 open-market purchases ($7.61M) and 1 open-market sales ($2.80M) across all tracked filings.

Where can I see all of MITTELSTAEDT RONALD 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

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