Key facts
- WCN - Waste Connections, Inc. has 28 insiders with reported activity on this page.
- Net insider value flow over the last year: +$2,306,890.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 28 Insiders of Waste Connections, Inc.
- Symbol
- WCN on NYSE
- Location
- Woodbridge, Ontario, Canada
Change
- Buy value: $7,611,750; sell value: $5,304,859.
- Net share flow: +19,622.
Research use
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to buying over the last 12 months. Net value: +$2,306,890.
Buys
$7,611,750
Shares: 50,000
Insiders: 1
Sells
$5,304,860
Shares: 30,378
Insiders: 7
Net
+$2,306,890
Shares: +19,622
Insiders: -6
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 50,000 | 10,905 | $7,611,750 | $1,789,842 | +$5,821,908 |
| 3-6 | 0 | 2,000 | $0 | $335,180 | -$335,180 |
| 6-9 | 0 | 9,000 | $0 | $1,569,928 | -$1,569,928 |
| 9-12 | 0 | 8,473 | $0 | $1,609,910 | -$1,609,910 |
Waste Connections, Inc. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Ronald J. Mittelstaedt | President & CEO, Director | $45,825,322 | +$7,611,750 | +20% | Filing P/S | 12 May 2026 |
| Worthing Jackman | President and CEO, Director | $21,151,812 | Mixed | 17 Feb 2023 | ||
| Darrell W. Chambliss | Evp & Coo | $17,090,840 | Mixed | 06 Jun 2025 | ||
| Mary Anne Whitney | Executive Vice President & CFO | $10,161,920 | Mixed | 18 Feb 2026 | ||
| James Little | Executive VP Engineering | $7,920,912 | -$427,168 | -5.1% | Mixed | 27 Apr 2026 |
| Matthew Stephen Black | Sr VP Chief Tax Officer | $7,121,798 | Mixed | 18 Feb 2026 | ||
| Jason Craft | Executive Vice President & COO | $5,592,596 | Mixed | 18 Feb 2026 | ||
| David Eddie | Sr VP Performance Optimization | $5,144,712 | Mixed | 16 Feb 2024 | ||
| Patrick James Shea | Exec VP, General Counsel & Sec | $4,468,966 | -$942,259 | -17% | Mixed | 18 Feb 2026 |
| Robert Michael Cloninger | SR VP, Deputy General Counsel | $3,055,479 | Mixed | 18 Feb 2026 | ||
| Edward E. Guillet | Director | $2,431,430 | -$1,569,928 | -39% | Mixed | 13 Feb 2026 |
| Susan Netherton | SR VP People, Training & Dev | $2,397,454 | -$286,680 | -11% | Mixed | 18 Feb 2026 |
| Eric Hansen | Senior Vice President and CIO | $2,200,357 | -$988,925 | -31% | Filing P/S | 30 Apr 2026 |
| Susan Lee | Director | $1,955,914 | Mixed | 13 Feb 2026 | ||
| Larry Sanford Hughes | Director | $1,909,980 | Mixed | 16 Feb 2024 | ||
| Domenic Pio | SR VP Operations | $1,467,403 | Mixed | 13 Feb 2026 | ||
| Aaron Bradley | Sr Vp Performance Optimization | $1,396,806 | Mixed | 18 Feb 2026 | ||
| Michael W. Harlan | Director | $1,374,290 | Mixed | 13 Feb 2026 | ||
| David M. Hall | Sr. Vice President - Sales | $723,089 | Mixed | 19 Feb 2022 | ||
| Robert Nielsen III | SR VP Operations | $661,130 | -$889,283 | -57% | Filing P/S | 14 May 2026 |
| William J. Razzouk | Director | $549,136 | Mixed | 16 Feb 2024 | ||
| Philip Rivard | SR VP Business Development | $526,365 | Mixed | 18 Feb 2026 | ||
| Elise Lipman Jordan | Director | $516,704 | Mixed | 13 Feb 2026 | ||
| Derek Tan | SR VP Chief Accounting Officer | $240,126 | -$200,618 | -46% | Filing P/S | 04 Mar 2026 |
| Carl Sparks | Director | $116,675 | Mixed | 13 Feb 2026 | ||
| Cherylyn Harley Lebon | Director | $111,867 | Mixed | 13 Feb 2026 | ||
| Andrea E. Bertone | Director | $46,157 | Mixed | 13 Feb 2026 | ||
| Daniel L. Florness | Director | $27,005 | Mixed | 01 Apr 2026 |
Top shareholders of Waste Connections, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
|
Vanguard Capital Management · Company |
7.8%
|
19,908,434
|
$3,233,926,019 | $0 | 31 Mar 2026 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
4.8%
|
12,210,661
|
$1,983,500,000 | — | 31 Mar 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
|
Company |
4.4%
|
11,135,258
|
$1,808,811,310 | — | 31 Mar 2026 | |
| FMR LLC |
13F
|
Company |
3.5%
|
8,964,650
|
$1,456,470,201 | — | 31 Mar 2026 | |
| BANK OF MONTREAL /CAN/ |
13F
|
Company |
3.2%
|
8,135,633
|
$1,322,094,778 | — | 31 Mar 2026 | |
| 1832 Asset Management L.P. |
13F
|
Company |
2.8%
|
7,113,604
|
$1,155,533,834 | — | 31 Mar 2026 | |
| BlackRock, Inc. |
13F
|
Company |
2.4%
|
6,191,564
|
$1,005,757,631 | — | 31 Mar 2026 | |
| Capital International Investors |
13F
|
Company |
2%
|
5,228,050
|
$849,203,291 | — | 31 Mar 2026 | |
| MACKENZIE FINANCIAL CORP |
13F
|
Company |
1.9%
|
4,980,317
|
$809,062,546 | — | 31 Mar 2026 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
1.9%
|
4,935,243
|
$801,676,897 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.8%
|
4,713,805
|
$765,710,560 | — | 31 Mar 2026 | |
| TD ASSET MANAGEMENT INC |
13F
|
Company |
1.6%
|
4,030,266
|
$652,837,513 | — | 31 Mar 2026 | |
| WCM INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
1.5%
|
3,875,396
|
$627,271,557 | — | 31 Mar 2026 | |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE |
13F
|
Company |
1.5%
|
3,724,204
|
$604,573,341 | — | 31 Mar 2026 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1.3%
|
3,444,052
|
$559,451,807 | — | 31 Mar 2026 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
1.2%
|
3,113,950
|
$505,830,038 | — | 31 Mar 2026 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
1.1%
|
2,817,119
|
$457,614,000 | — | 31 Mar 2026 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1%
|
2,669,108
|
$433,569,837 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
1%
|
2,576,878
|
$418,588,394 | — | 31 Mar 2026 | |
| Fiera Capital Corp |
13F
|
Company |
1%
|
2,547,069
|
$413,124,174 | — | 31 Mar 2026 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.97%
|
2,477,061
|
$400,937,260 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.96%
|
2,453,637
|
$398,649,826 | — | 31 Mar 2026 | |
| Stockbridge Partners LLC |
13F
|
Company |
0.96%
|
2,451,169
|
$398,167,892 | — | 31 Mar 2026 | |
| Pictet Asset Management Holding SA |
13F
|
Company |
0.91%
|
2,325,461
|
$377,722,828 | — | 31 Mar 2026 | |
| Impax Asset Management Group plc |
13F
|
Company |
0.83%
|
2,117,425
|
$343,954,488 | — | 31 Mar 2026 | |
| CIBC WORLD MARKET INC. |
13F
|
Company |
0.8%
|
2,048,147
|
$332,700,963 | — | 31 Mar 2026 | |
| GATES FOUNDATION TRUST |
13F
|
Company |
0.8%
|
2,039,175
|
$331,243,587 | — | 31 Mar 2026 | |
| NATIONAL BANK OF CANADA /FI/ |
13F
|
Company |
0.78%
|
1,998,395
|
$323,727,335 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
0.77%
|
1,966,153
|
$319,381,893 | — | 31 Mar 2026 | |
| MONTRUSCO BOLTON INVESTMENTS INC. |
13F
|
Company |
0.71%
|
1,822,200
|
$286,517,934 | — | 31 Mar 2026 | |
| BROWN ADVISORY INC |
13F
|
Company |
0.66%
|
1,700,377
|
$276,209,378 | — | 31 Mar 2026 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.65%
|
1,673,089
|
$271,873,295 | — | 31 Mar 2026 | |
| CANADA PENSION PLAN INVESTMENT BOARD |
13F
|
Company |
0.63%
|
1,611,310
|
$261,848,664 | — | 31 Mar 2026 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.58%
|
1,488,548
|
$241,806,357 | — | 31 Mar 2026 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.55%
|
1,401,424
|
$227,647,314 | — | 31 Mar 2026 | |
| Neuberger Berman Group LLC |
13F
|
Company |
0.53%
|
1,367,198
|
$222,181,630 | — | 31 Mar 2026 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.5%
|
1,266,733
|
$205,768,109 | — | 31 Mar 2026 | |
| Legal & General Group Plc |
13F
|
Company |
0.49%
|
1,242,065
|
$201,457,670 | — | 31 Mar 2026 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.47%
|
1,200,977
|
$195,114,957 | — | 31 Mar 2026 | |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO |
13F
|
Company |
0.44%
|
1,114,166
|
$180,985,000 | — | 31 Mar 2026 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.43%
|
1,108,569
|
$178,379,892 | — | 31 Mar 2026 | |
| KING LUTHER CAPITAL MANAGEMENT CORP |
13F
|
Company |
0.41%
|
1,053,657
|
$171,156,043 | — | 31 Mar 2026 | |
| Vanguard Global Advisers, LLC |
13F
|
Company |
0.4%
|
1,027,690
|
$166,974,960 | — | 31 Mar 2026 | |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. |
13F
|
Company |
0.4%
|
1,016,883
|
$165,182,000 | — | 31 Mar 2026 | |
| CIBC Asset Management Inc |
13F
|
Company |
0.38%
|
972,081
|
$158,168,984 | — | 31 Mar 2026 | |
| Skye Global Management LP |
13F
|
Company |
0.36%
|
932,000
|
$151,394,080 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
0.34%
|
874,522
|
$142,057,353 | — | 31 Mar 2026 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.34%
|
872,040
|
$141,427,547 | — | 31 Mar 2026 | |
| SNYDER CAPITAL MANAGEMENT L P |
13F
|
Company |
0.34%
|
859,769
|
$139,660,876 | — | 31 Mar 2026 | |
| DF DENT & CO INC |
13F
|
Company |
0.34%
|
859,515
|
$139,619,602 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for Waste Connections, Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Robert Nielsen III | WCN | Common Shares | Sale | -10.5% | $77,780 | $155.56 | -500 | 4,250 | 14 May 2026 | Direct |
| Robert Nielsen III | WCN | Common Shares | Sale | -5.75% | $43,790 | $151.00 | -290 | 4,750 | 13 May 2026 | Direct |
| Robert Nielsen III | WCN | Common Shares | Sale | -6.27% | $51,561 | $153.00 | -337 | 5,040 | 12 May 2026 | Direct |
| Ronald J. Mittelstaedt | WCN | Common Shares | Purchase | 19.9% | $7,611,750 | $152.24 | 50,000 | 301,017 | 12 May 2026 | Direct |
| Eric Hansen | WCN | Common Shares | Sale | -31% | $988,925 | $164.82 | -6,000 | 13,350 | 30 Apr 2026 | Direct |
| James Little | WCN | Common Shares | Sale | -7.04% | $427,168 | $163.98 | -2,605 | 34,395 | 27 Apr 2026 | Direct |
| Daniel L. Florness | WCN | Common Shares | Tax liability | -53.6% | -178 | 154 | 01 Apr 2026 | Direct | ||
| Daniel L. Florness | WCN | Common Shares | Options Exercise | 332 | 332 | 01 Apr 2026 | Direct | |||
| Daniel L. Florness | WCN | Restricted Share Units | Options Exercise | -50.1% | -332 | 331 | 01 Apr 2026 | Direct | ||
| Daniel L. Florness | WCN | Restricted Share Units | Award | 663 | 663 | 01 Apr 2026 | Direct | |||
| Daniel L. Florness | WCN | Deferred Share Units | Award | 419 | 419 | 01 Apr 2026 | Direct | |||
| Derek Tan | WCN | Common Shares | Sale | -45.5% | $200,618 | $171.03 | -1,173 | 1,404 | 04 Mar 2026 | Direct |
| Mary Anne Whitney | WCN | Common Shares | Tax liability | -0.9% | -566 | 62,435 | 18 Feb 2026 | Direct | ||
| Mary Anne Whitney | WCN | Common Shares | Options Exercise | 2.33% | 1,436 | 63,001 | 18 Feb 2026 | Direct | ||
| Mary Anne Whitney | WCN | Restricted Share Units | Options Exercise | -100% | -1,436 | 0 | 18 Feb 2026 | Direct | ||
| Patrick James Shea | WCN | Common Shares | Tax liability | -1.78% | -494 | 27,237 | 18 Feb 2026 | Direct | ||
| Patrick James Shea | WCN | Common Shares | Options Exercise | 4.74% | 1,255 | 27,731 | 18 Feb 2026 | Direct | ||
| Patrick James Shea | WCN | Restricted Share Units | Options Exercise | -100% | -1,255 | 0 | 18 Feb 2026 | Direct | ||
| Philip Rivard | WCN | Common Shares | Tax liability | -7.23% | -252 | 3,234 | 18 Feb 2026 | Direct | ||
| Philip Rivard | WCN | Common Shares | Options Exercise | 22.5% | 640 | 3,486 | 18 Feb 2026 | Direct | ||
| Philip Rivard | WCN | Restricted Share Units | Options Exercise | -100% | -640 | 0 | 18 Feb 2026 | Direct | ||
| Robert Nielsen III | WCN | Common Shares | Tax liability | -5.55% | -316 | 5,377 | 18 Feb 2026 | Direct | ||
| Robert Nielsen III | WCN | Common Shares | Options Exercise | 16.4% | 801 | 5,693 | 18 Feb 2026 | Direct | ||
| Robert Nielsen III | WCN | Restricted Share Units | Options Exercise | -100% | -801 | 0 | 18 Feb 2026 | Direct | ||
| Susan Netherton | WCN | Common Shares | Tax liability | -1.67% | -250 | 14,730 | 18 Feb 2026 | Direct | ||
| Susan Netherton | WCN | Common Shares | Options Exercise | 4.43% | 635 | 14,980 | 18 Feb 2026 | Direct | ||
| Susan Netherton | WCN | Restricted Shares Units | Options Exercise | -100% | -635 | 0 | 18 Feb 2026 | Direct | ||
| Ronald J. Mittelstaedt | WCN | Common Shares | Tax liability | -0.14% | -346 | 251,017 | 18 Feb 2026 | Direct | ||
| Ronald J. Mittelstaedt | WCN | Common Shares | Options Exercise | 0.35% | 878 | 251,363 | 18 Feb 2026 | Direct | ||
| Ronald J. Mittelstaedt | WCN | Restricted Share Units | Options Exercise | -100% | -878 | 0 | 18 Feb 2026 | Direct | ||
| James Little | WCN | Common Shares | Tax liability | -1.29% | -482 | 37,000 | 18 Feb 2026 | Direct | ||
| James Little | WCN | Common Shares | Options Exercise | 3.38% | 1,224 | 37,482 | 18 Feb 2026 | Direct | ||
| James Little | WCN | Restricted Share Units | Options Exercise | -100% | -1,224 | 0 | 18 Feb 2026 | Direct | ||
| Eric Hansen | WCN | Common Shares | Tax liability | -1.51% | -297 | 19,350 | 18 Feb 2026 | Direct | ||
| Eric Hansen | WCN | Common Shares | Options Exercise | 3.99% | 754 | 19,647 | 18 Feb 2026 | Direct | ||
| Eric Hansen | WCN | Restricted Share Units | Options Exercise | -100% | -754 | 0 | 18 Feb 2026 | Direct | ||
| Jason Craft | WCN | Common Shares | Tax liability | -0.96% | -332 | 34,361 | 18 Feb 2026 | Direct | ||
| Jason Craft | WCN | Common Shares | Options Exercise | 2.49% | 842 | 34,693 | 18 Feb 2026 | Direct | ||
| Jason Craft | WCN | Restricted Share Units | Options Exercise | -100% | -842 | 0 | 18 Feb 2026 | Direct | ||
| Robert Michael Cloninger | WCN | Common Shares | Tax liability | -1.7% | -250 | 14,477 | 18 Feb 2026 | Direct | ||
| Robert Michael Cloninger | WCN | Common Shares | Options Exercise | 4.51% | 635 | 14,727 | 18 Feb 2026 | Direct | ||
| Robert Michael Cloninger | WCN | Restricted Share Units | Options Exercise | -100% | -635 | 0 | 18 Feb 2026 | Direct | ||
| Aaron Bradley | WCN | Common Shares | Tax liability | -1.4% | -122 | 8,582 | 18 Feb 2026 | Direct | ||
| Aaron Bradley | WCN | Common Shares | Options Exercise | 3.69% | 310 | 8,704 | 18 Feb 2026 | Direct | ||
| Aaron Bradley | WCN | Restricted Share Units | Options Exercise | -100% | -310 | 0 | 18 Feb 2026 | Direct | ||
| Matthew Stephen Black | WCN | Common Shares | Tax liability | -0.72% | -317 | 43,514 | 18 Feb 2026 | Direct | ||
| Matthew Stephen Black | WCN | Common Shares | Options Exercise | 1.87% | 804 | 43,831 | 18 Feb 2026 | Direct | ||
| Matthew Stephen Black | WCN | Restricted Share Units | Options Exercise | -100% | -804 | 0 | 18 Feb 2026 | Direct | ||
| Mary Anne Whitney | WCN | Common Shares | Tax liability | -4.58% | -2,922 | 60,881 | 17 Feb 2026 | Direct | ||
| Mary Anne Whitney | WCN | Common Shares | Options Exercise | 13.3% | 7,424 | 63,359 | 17 Feb 2026 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.