WCN
Waste Connections, Inc. · Transportation & Utilities · Market cap $42.4B
Insiders sold $2.8M net in the last 90 days ·6 sellers, 0 buyers· latest Form 4 filed Aug 21, 2026
Insider Buying
$7.6M
reported purchases (SEC code P)
Insider Selling
$6.5M
reported sales (SEC code S)
Unique Insiders
11
in the rolling window
Latest filing
Aug 21, 2026
NIELSEN III ROBERT
Waste Connections, Inc. (WCN) has 58 SEC Form 4 filings (198 transaction rows) in the rolling window, disclosed by 11 distinct insiders. Most recent filing: Aug 21, 2026.
Inside the rolling window, 11 insiders at Waste Connections, Inc. reported 1 open-market purchase totaling $7.6M and 15 open-market sales totaling $6.5M. The most active filer is SR VP Operations NIELSEN III ROBERT with 6 filings. Insiders have net bought $3.1M over the trailing 6 months. The largest single insider purchase in this window was $7.6M by President & CEO MITTELSTAEDT RONALD J on May 12, 2026. The most recent open-market filing is a sale of 700 shares by SR VP Operations NIELSEN III ROBERT, dated Aug 19, 2026, worth $119K.
- Industry:Waste Management
- CEO:Ronald J. Mittelstaedt
- Employees:24,214
- HQ:Woodbridge, ON, CA
- IPO:1998-05-22
| Source | |||||||
|---|---|---|---|---|---|---|---|
| SR VP Operations | Sale | 700 | $119K | Aug 21 | -0.7% | SEC ↗ | |
RIVARD PHILIPFirst filing | SR VP Business Development | Sale | 2,500 | $416K | Aug 20 | -0.0% | SEC ↗ |
Netherton SusanFirst filing | SR VP People, Training & Dev | Sale | 1,750 | $291K | Aug 17 | +2.0% | SEC ↗ |
| SR VP Operations | Sale | 300 | $52K | Jul 31 | +0.5% | SEC ↗ | |
Cloninger Robert MichaelFirst filing | SR VP, Deputy General Counsel | Sale | 2,811 | $481K | Jul 30 | +1.2% | SEC ↗ |
Shea Patrick JamesFirst filing | Exec VP, General Counsel & Sec | Sale | 7,500 | $1.2M | Jun 9 | +6.8% | SEC ↗ |
CRAFT JASONFirst filing | Executive Vice President & COO | Sale | 1,500 | $235K | Jun 9 | +6.8% | SEC ↗ |
| SR VP Operations | Sale | 500 | $78K | May 18 | +5.9% | SEC ↗ | |
NIELSEN III ROBERTFirst in 5 months | SR VP Operations | Sale | 337 | $52K | May 14 | +8.6% | SEC ↗ |
NIELSEN III ROBERTFirst in 5 months | SR VP Operations | Sale | 290 | $44K | May 14 | — | SEC ↗ |
MITTELSTAEDT RONALD JFirst filing | President & CEO | Purchase | 50,000 | $7.6M | May 13 | — | SEC ↗ |
HANSEN ERICFirst filing | Senior Vice President and CIO | Sale | 6,000 | $989K | May 4 | — | SEC ↗ |
LITTLE JAMESFirst filing | Executive VP Engineering | Sale | 2,605 | $427K | Apr 29 | — | SEC ↗ |
TAN DEREKFirst filing | SR VP Chief Accounting Officer | Sale | 1,173 | $201K | Mar 6 | — | SEC ↗ |
NIELSEN III ROBERTFirst filing | SR VP Operations | Sale | 2,000 | $335K | Dec 12 | — | SEC ↗ |
GUILLET EDWARD EFirst filing | Director | Sale | 9,000 | $1.6M | Oct 30 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading WCN 24 all-time
- DRep. Val HoyleOther$1,001 - $15,0002025-09-23
- DRep. Val HoylePurchase$1,001 - $15,0002024-10-29
- DRep. Ritchie TorresOther$1,001 - $15,0002025-07-11
- DRep. Jonathan JacksonOther$15,001 - $50,0002023-08-31
- DRep. Ro KhannaSale$1,001 - $15,0002023-06-29
- DRep. Ro KhannaSale$1,001 - $15,0002022-06-17
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does WCN have?
Waste Connections, Inc. (WCN) has 58 SEC Form 4 filings (198 transaction rows) in the rolling 365-day window, disclosed by 11 distinct insiders. Most recent filing: Aug 21, 2026.
When was the most recent SEC Form 4 filing for WCN?
The most recent Form 4 filing for WCN on Tracefour is dated Aug 21, 2026.
Who is the most active insider at WCN?
The most active SEC Form 4 filer at WCN in the rolling window is SR VP Operations NIELSEN III ROBERT, with 6 filings.
What is the net insider flow at WCN over the last 6 months?
Over the trailing 180 days, insiders at WCN have net bought $3.1M based on SEC Form 4 disclosures.
What was the largest insider purchase at WCN?
The largest single insider open-market purchase at WCN in the rolling window was $7.6M by President & CEO MITTELSTAEDT RONALD J on 2026-05-12.
What is the total insider buy and sell value at WCN in the current window?
Inside the rolling window, insiders at WCN bought $7.6M and sold $6.5M based on SEC Form 4 filings.
Can I get alerts for WCN insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Waste Connections, Inc. (WCN). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Waste Connections, Inc. is in the Transportation & Utilities sector.