SEC Insider Transactions from MITTELSTAEDT RONALD J.

Last updated: 2026-03-14 11:51 UTC | Total transactions: 74

MITTELSTAEDT RONALD J has filed 74 insider transactions across 2 companies since February 2024.

Most recent transaction: a option exercise of 878 shares of Waste Connections, Inc. ($WCN) on February 18, 2026.

Activity breakdown: 0 open-market purchases and 1 sale.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 18, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 878 $0.00 251,363.0000 257,976,741 0.35% 0.00%
Feb. 18, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 346 $162.76 251,017.0000 257,976,741 0.14% 0.00%
Feb. 18, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 878 $0.00 0.0000 257,976,741 100.00% 0.00%
Feb. 17, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 181 $161.28 250,485.0000 257,976,741 0.07% 0.00%
Feb. 17, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 459 $0.00 250,666.0000 257,976,741 0.18% 0.00%
Feb. 17, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 764 $161.28 250,207.0000 257,976,741 0.30% 0.00%
Feb. 17, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 1941 $0.00 250,971.0000 257,976,741 0.78% 0.00%
Feb. 17, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 4264 $161.28 249,030.0000 257,976,741 1.68% 0.00%
Feb. 17, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 10834 $0.00 253,294.0000 257,976,741 4.47% 0.00%
Feb. 17, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 1008 $161.28 242,460.0000 257,976,741 0.41% 0.00%
Feb. 17, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 2561 $0.00 243,468.0000 257,976,741 1.06% 0.00%
Feb. 16, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 815 $160.26 240,907.0000 257,976,741 0.34% 0.00%
Feb. 16, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 3112 $0.00 241,722.0000 257,976,741 1.30% 0.00%
Feb. 14, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 854 $160.26 238,610.0000 257,976,741 0.36% 0.00%
Feb. 14, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 3505 $0.00 239,464.0000 257,976,741 1.49% 0.00%
Feb. 16, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 3112 $0.00 6,225.0000 257,976,741 33.33% 0.00%
Feb. 13, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO A Restricted Share Units 18875 $0.00 18,875.0000 257,976,741 9999.99% 0.01%
Feb. 13, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO A Restricted Share Units 18876 $0.00 18,876.0000 257,976,741 9999.99% 0.01%
Feb. 17, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 10834 $0.00 0.0000 257,976,741 100.00% 0.00%
Feb. 17, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 1941 $0.00 1,941.0000 257,976,741 50.00% 0.00%
Feb. 17, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 2561 $0.00 0.0000 257,976,741 100.00% 0.00%
Feb. 17, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 459 $0.00 459.0000 257,976,741 50.00% 0.00%
Feb. 14, 2026 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 3505 $0.00 10,516.0000 257,976,741 25.00% 0.00%
Dec. 29, 2025 SKYWEST INC $SKYW MITTELSTAEDT RONALD J Not found G Common Stock 5500 $0.00 7,038.0000 41,392,000 43.87% 0.01%
May 6, 2025 SKYWEST INC $SKYW MITTELSTAEDT RONALD J Not found A Common Stock 1255 $0.00 12,538.0000 41,599,000 11.12% 0.00%
Feb. 19, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 1067 $0.00 236,379.0000 258,662,190 0.45% 0.00%
Feb. 19, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 1067 $0.00 0.0000 258,662,190 100.00% 0.00%
Feb. 19, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 420 $187.82 235,959.0000 258,662,190 0.18% 0.00%
Feb. 18, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 878 $0.00 878.0000 258,662,190 50.00% 0.00%
Feb. 16, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 3113 $0.00 231,300.0000 258,662,190 1.36% 0.00%
Feb. 16, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 758 $189.04 230,542.0000 258,662,190 0.33% 0.00%
Feb. 17, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 460 $0.00 231,002.0000 258,662,190 0.20% 0.00%
Feb. 17, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 146 $189.04 230,856.0000 258,662,190 0.06% 0.00%
Feb. 17, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 1942 $0.00 232,798.0000 258,662,190 0.84% 0.00%
Feb. 17, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 473 $189.04 232,325.0000 258,662,190 0.20% 0.00%
Feb. 18, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 878 $0.00 233,203.0000 258,662,190 0.38% 0.00%
Feb. 18, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 346 $187.65 232,857.0000 258,662,190 0.15% 0.00%
Feb. 18, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 3990 $0.00 236,847.0000 258,662,190 1.71% 0.00%
Feb. 18, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 1535 $187.65 235,312.0000 258,662,190 0.65% 0.00%
Feb. 14, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO A Restricted Share Units 14021 $0.00 14,021.0000 258,662,190 9999.99% 0.01%
Feb. 14, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO A Restricted Share Units 14021 $0.00 28,042.0000 258,662,190 100.00% 0.01%
Feb. 16, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 3113 $0.00 9,337.0000 258,662,190 25.00% 0.00%
Feb. 17, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 460 $0.00 918.0000 258,662,190 33.38% 0.00%
Feb. 17, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 1942 $0.00 3,882.0000 258,662,190 33.34% 0.00%
Feb. 18, 2025 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Performance Share Units 3990 $0.00 0.0000 258,662,190 100.00% 0.00%
Nov. 27, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO G Common Shares 11000 $0.00 228,187.0000 258,756,528 4.60% 0.00%
Nov. 6, 2024 SKYWEST INC $SKYW MITTELSTAEDT RONALD J Not found S Common Stock 25000 $112.06 11,283.0000 41,561,000 68.90% 0.06%
Feb. 19, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 5746 $167.87 239,187.0000 258,149,244 2.35% 0.00%
Feb. 17, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 764 $167.87 222,206.0000 258,149,244 0.34% 0.00%
Feb. 17, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 1941 $0.00 222,970.0000 258,149,244 0.88% 0.00%
Feb. 17, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 181 $167.87 221,029.0000 258,149,244 0.08% 0.00%
Feb. 17, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 459 $0.00 221,210.0000 258,149,244 0.21% 0.00%
Feb. 19, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 15528 $0.00 0.0000 258,149,244 100.00% 0.01%
Feb. 19, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 3621 $0.00 0.0000 258,149,244 100.00% 0.00%
Feb. 19, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Performance Share Units 6166 $0.00 0.0000 258,149,244 100.00% 0.00%
Feb. 19, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Shares Units 1066 $0.00 1,067.0000 258,149,244 49.98% 0.00%
Feb. 18, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Shares Units 879 $0.00 1,756.0000 258,149,244 33.36% 0.00%
Feb. 17, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 1941 $0.00 5,824.0000 258,149,244 25.00% 0.00%
Feb. 17, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Restricted Share Units 459 $0.00 1,378.0000 258,149,244 24.99% 0.00%
Feb. 16, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO A Restricted Share Unites 12450 $0.00 12,450.0000 258,149,244 9999.99% 0.00%
Feb. 16, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO A Restricted Shares Units 12450 $0.00 12,450.0000 258,149,244 9999.99% 0.00%
Feb. 19, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 15528 $0.00 244,933.0000 258,149,244 6.77% 0.01%
Feb. 19, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 1340 $167.87 229,405.0000 258,149,244 0.58% 0.00%
Feb. 19, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 3621 $0.00 230,745.0000 258,149,244 1.59% 0.00%
Feb. 19, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 2427 $167.87 227,124.0000 258,149,244 1.06% 0.00%
Feb. 19, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 6166 $0.00 229,551.0000 258,149,244 2.76% 0.00%
Feb. 19, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 420 $167.87 223,385.0000 258,149,244 0.19% 0.00%
Feb. 19, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 1066 $0.00 223,805.0000 258,149,244 0.48% 0.00%
Feb. 18, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 346 $167.87 222,739.0000 258,149,244 0.16% 0.00%
Feb. 18, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 879 $0.00 223,085.0000 258,149,244 0.40% 0.00%
Feb. 14, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Common Shares 663 $0.00 221,012.0000 258,149,244 0.30% 0.00%
Feb. 14, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO M Performance Share Units 663 $0.00 0.0000 258,149,244 100.00% 0.00%
Feb. 14, 2024 Waste Connections, Inc. $WCN MITTELSTAEDT RONALD J President & CEO F Common Shares 261 $164.12 220,751.0000 258,149,244 0.12% 0.00%
Feb. 6, 2024 SKYWEST INC $SKYW MITTELSTAEDT RONALD J Not found A Common Stock 2632 $0.00 36,283.0000 44,599,000 7.82% 0.01%