Waste Connections, Inc. (WCN) Insider Ownership

Historic Insider Ownership Trends

Through the 90-day period concluding January 14, 2026, Waste Connections's top three insider stakeholders include President & Ceo Ronald J Mittelstaedt (235.96K shares), President And Ceo Worthing Jackman (149.16K shares), Evp & Coo Darrell W Chambliss (92.00K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Ronald J Mittelstaedt President & Ceo 235,959 21 Feb, 2025
Worthing Jackman President And Ceo 149,156 22 Feb, 2023
Darrell W Chambliss Evp & Coo 92,000 10 Jun, 2025
Mary Anne Whitney Executive Vice President & Cfo 55,941 21 Feb, 2025
James Little Executive Vp Engineering 43,082 06 Mar, 2025
Matthew Stephen Black Sr Vp Chief Tax Officer 38,257 05 Jan, 2026
David Eddie Sr Vp Performance Optimization 30,647 21 Feb, 2024
Jason Craft Executive Vice President & Coo 29,663 05 Jan, 2026
Patrick James Shea Exec Vp And General Counsel & Sec 20,511 16 Dec, 2025
Eric Hansen Senior Vice President And Cio 15,470 21 Feb, 2025
Edward E Guillet 14,883 30 Oct, 2025
Susan Lee 11,916 19 Feb, 2025
Susan Netherton Sr Vp People And Training & Dev 11,726 31 Jul, 2025
Robert Michael Cloninger Sr Vp And Deputy General Counsel 11,666 27 Feb, 2025
Larry Sanford Hughes 11,384 21 Feb, 2024
Michael W Harlan 8,287 19 Feb, 2025
Domenic Pio Sr Vp Operations 6,531 05 Jan, 2026
Aaron Bradley Sr Vp Performance Optimization 6,280 05 Jan, 2026
William J Razzouk 5,857 21 Feb, 2024
David M Hall Sr. Vice President Sales 5,099 23 Feb, 2022
Elise Lipman Jordan 2,936 19 Feb, 2025
Iii Robert Nielsen Sr Vp Operations 1,250 12 Dec, 2025
Carl Sparks 440 04 Mar, 2025
Cherylyn Harley Lebon 410 05 Aug, 2025
Philip Rivard Sr Vp Business Development 62 26 Feb, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
31 Dec, 2025 Domenic Pio Common Shares A 58 $166.59 6,531 D J
31 Dec, 2025 Matthew Stephen Black Common Shares A 13 $166.59 38,257 D J
31 Dec, 2025 Jason Craft Common Shares A 43 $166.59 29,663 D J
31 Dec, 2025 Aaron Bradley Common Shares A 36 $166.59 6,280 D J
12 Dec, 2025 Patrick James Shea Common Shares D 160 $0.00 20,511 D G
10 Dec, 2025 Iii Robert Nielsen Common Shares D 2,000 $167.59 1,250 D S
28 Oct, 2025 Edward E Guillet Common Shares D 9,000 $174.44 14,883 D S
12 Aug, 2025 Patrick James Shea Common Shares D 5,000 $188.45 20,671 D S
08 Aug, 2025 Iii Robert Nielsen Common Shares D 1,000 $190.00 3,250 D S
01 Aug, 2025 Cherylyn Harley Lebon Common Shares A 302 $0.00 572 D M
01 Aug, 2025 Cherylyn Harley Lebon - - 572 D
01 Aug, 2025 Cherylyn Harley Lebon - - 410 D
01 Aug, 2025 Cherylyn Harley Lebon Common Shares D 162 $186.57 410 D F
29 Jul, 2025 Susan Netherton - - 11,726 D
29 Jul, 2025 Susan Netherton Common Shares D 1,500 $191.12 11,726 D S
30 Jun, 2025 Domenic Pio Common Shares A 79 $177.38 6,473 D J
30 Jun, 2025 Domenic Pio - - 6,473 D
30 Jun, 2025 Matthew Stephen Black Common Shares A 12 $177.38 38,244 D J
06 Jun, 2025 Darrell W Chambliss - - 92,000 D
06 Jun, 2025 Darrell W Chambliss Common Shares D 3,000 $0.00 92,000 D G