Ronald J. Mittelstaedt is a corporate insider at Waste Connections, Inc. (WCN). Mittelstaedt's filing history also covers SKYWEST INC (SKYW). Mittelstaedt has reported 7 insider filings with the SEC since 2024. The most recent filing was in May 2026.
Every role Ronald J. Mittelstaedt has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Waste Connections, Inc. (WCN)4 filingsSKYWEST INC (SKYW)3 filingsUpdated Aug 30, 2026
Ronald J. Mittelstaedt is President & CEO of Waste Connections, Inc. (WCN). 7 SEC Form 4 filings on record going back to 2024, most recently on 13 May 2026. Most recent open-market trade: bought $7.61M of WCN on 13 May 2026. Lifetime open-market purchases: $7.61M. Lifetime open-market sales: $2.80M.
Every recent SEC Form 4 transaction Ronald J. Mittelstaedt has reported, most recent first.
InsiderAlpha's records for Ronald J. Mittelstaedt go back to 2024: 7 primary Form 4 filings, an average of 2.3 per year. The typical open-market purchase is $7.61M (1 buy totaling $7.61M). The largest single buy on record is $7.61M of WCN in 2026. Sales side: 1 recorded sale totaling $2.80M, so the filing history runs buy-heavy by dollar value. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies Ronald J. Mittelstaedt files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Ronald J. Mittelstaedt is a corporate insider, tracked as President & CEO of Waste Connections, Inc. (WCN). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
The most recent primary Form 4 on record is dated 13 May 2026, one of 7 filings going back to 2024.
Recorded transactions: 1 open-market purchase ($7.61M) and 1 open-market sale ($2.80M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$WCN Waste Connections, Inc.346 shares @ $162.76$56K