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.
Russell A. Childs - $5.72M in SKYW purchases and sales in the last 12 months
Wade J. Steel - $5.44M in SKYW purchases and sales in the last 12 months
Robert J. Simmons - $2.76M in SKYW purchases and sales in the last 12 months
Greg Wooley - $1.92M in SKYW purchases and sales in the last 12 months
Edward E. Guillet - $1.57M in WCN purchases and sales in the last 12 months
Patrick James Shea - $1.17M in WCN purchases and sales in the last 12 months
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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.
When did Ronald J. Mittelstaedt last file a Form 4?
The most recent primary Form 4 on record is dated 13 May 2026, one of 7 filings going back to 2024.
Has Ronald J. Mittelstaedt been buying or selling stock?
Recorded transactions: 1 open-market purchase ($7.61M) and 1 open-market sale ($2.80M) across all tracked filings.
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.
Recent transactions
19
The latest 19 SEC Form 4 transactions reported by Ronald J. Mittelstaedt.
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 recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
