WCN insider buying and SEC filings, explained
Waste Connections, Inc. · CIK 1318220
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$7.6M
Insiders who bought
1
Sold (not marked 10b5-1)
$7.8M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 30–Nov 2, 2026 | Sale | Robert Nielsen III (SR VP Operations) sold 2,000 shares between Oct 30 and Nov 2 at about $185.88 ($372K). Holdings down 62% to 1,250 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 3, 2026, 4:20 PM ET |
| Oct 29, 2026 | Sale | Matthew Stephen Black (Sr VP Chief Tax Officer) sold 11,000 shares at about $180.60 ($2.0M). Holdings down 25% to 32,530 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 2, 2026, 4:07 PM ET |
| Oct 27, 2026 | Sale | James Little (Executive VP Engineering) sold 2,000 shares at $185.22 ($370K). Holdings down 6% to 32,395 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 29, 2026, 4:11 PM ET |
| Oct 26, 2026 | Sale | Derek Tan (SR VP Chief Accounting Officer) sold 1,000 shares at $186.77 ($187K). Holdings down 71% to 404 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 28, 2026, 4:15 PM ET |
| Aug 19, 2026 | Sale | Robert Nielsen III (SR VP Operations) sold 700 shares at $170.00 ($119K). Holdings down 18% to 3,250 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 21, 2026 |
| Aug 18, 2026 | Sale | Philip Rivard (SR VP Business Development) sold 2,500 shares at $166.57 ($416K). Holdings down 77% to 734 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 20, 2026 |
| Aug 13, 2026 | Sale | Susan Netherton (SR VP People, Training & Dev) sold 1,750 shares at $166.00 ($291K). Holdings down 12% to 12,980 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 17, 2026 |
| Jul 29, 2026 | Sale | Robert Nielsen III (SR VP Operations) sold 300 shares at $173.10 ($52K). Holdings down 7% to 3,950 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 31, 2026 |
| Jul 28, 2026 | Sale | Robert Michael Cloninger (SR VP, Deputy General Counsel) sold 2,811 shares at about $171.03 ($481K). Holdings down 19% to 11,666 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 30, 2026 |
| Jun 5, 2026 | Sale | Jason Craft (President / COO) sold 1,500 shares at $156.59 ($235K). Holdings down 4% to 32,861 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 9, 2026 |
| Jun 5, 2026 | Sale | Patrick James Shea (Exec VP, General Counsel & Sec) sold 7,500 shares at $156.26 ($1.2M). Holdings down 28% to 19,737 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 9, 2026 |
| May 14, 2026 | Sale | Robert Nielsen III (SR VP Operations) sold 500 shares at $155.56 ($78K). Holdings down 11% to 4,250 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 18, 2026 |
| May 12–13, 2026 | Sale | Robert Nielsen III (SR VP Operations) sold 627 shares between May 12 and May 13 at about $152.07 ($95K). Holdings down 12% to 4,750 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 14, 2026 |
| May 12, 2026 | Purchase (code P) | Ronald J. Mittelstaedt (CEO and Director) bought 50,000 shares at $152.24 ($7.6M), reported as a purchase (code P). Holdings up 20% to 301,017 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 13, 2026 |
| Apr 30, 2026 | Sale | Eric Hansen (Senior Vice President and CIO) sold 6,000 shares at $164.82 ($989K). Holdings down 31% to 13,350 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 4, 2026 |
| Apr 27, 2026 | Sale | James Little (Executive VP Engineering) sold 2,605 shares at $163.98 ($427K). Holdings down 7% to 34,395 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 29, 2026 |
| Mar 4, 2026 | Sale | Derek Tan (SR VP Chief Accounting Officer) sold 1,173 shares at $171.03 ($201K). Holdings down 46% to 1,404 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 6, 2026 |
| Dec 10, 2025 | Sale | Robert Nielsen III (SR VP Operations) sold 2,000 shares at $167.59 ($335K). Holdings down 62% to 1,250 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 12, 2025 |
44 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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