Transactions
23
Insider / Waste Connections, Inc.
NIELSEN III ROBERT
SR VP Operations at Waste Connections, Inc.
- Company
- Waste Connections, Inc.
- Ticker
- WCN
- First filing on record
- December 12, 2025
- Latest trade on record
- August 19, 2026
- SEC filings
- EDGAR ↗
NIELSEN III ROBERT, SR VP Operations at Waste Connections, Inc., has disclosed 23 transactions in WCN since December 12, 2025: 0 purchases (0 open-market buys) and 11 sales, worth about $927K at the reported prices. The latest was filed August 21, 2026, 2 days after the trade; 2 filings were late against the 2-business-day Form 4 deadline.
Open-market buys
0
Sales
11
Avg. disclosure lag
2.3d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months NIELSEN III ROBERT made no purchases and 11 sales worth $927K, plus 12 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
NIELSEN III ROBERT has traded 1 stock on record; the largest by dollars is WCN.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
1 of 7 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| M | Option exercise or conversion | 10 | 11,324 | — |
| S | Open-market sale | 6 | 4,127 | $679K |
| F | Shares withheld for tax | 5 | 1,535 | $248K |
| A | Grant or award | 2 | 5,810 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 22 | 0 | 10 · $592K |
| 2025 | 1 | 0 | 1 · $335K |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| WCN | Sell S | August 19, 2026 | August 21, 2026 | 2d | 700 | $170 | $119K | Form 4 ↗ | ||
| WCN | Sell S | July 29, 2026 | July 31, 2026 | 2d | 300 | $173 | $52K | Form 4 ↗ | ||
| WCN | Sell S | May 14, 2026 | May 18, 2026 | 4d | 500 | $156 | $78K | Form 4 ↗ | ||
| WCN | Sell S | May 13, 2026 | May 14, 2026 | 1d | 290 | $151 | $44K | Form 4 ↗ | ||
| WCN | Sell S | May 12, 2026 | May 14, 2026 | 2d | 337 | $153 | $52K | Form 4 ↗ | ||
| WCN | Option / conversion M | February 18, 2026 | February 20, 2026 | 2d | 801 | — | — | derivative | Form 4 ↗ | |
| WCN | Sell F | February 18, 2026 | February 20, 2026 | 2d | 316 | $163 | $51K | Form 4 ↗ | ||
| WCN | Option / conversion M | February 18, 2026 | February 20, 2026 | 2d | 801 | — | — | Form 4 ↗ | ||
| WCN | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 3,075 | — | — | derivative | Form 4 ↗ | |
| WCN | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 551 | — | — | derivative | Form 4 ↗ | |
| WCN | Option / conversion M | February 16, 2026 | February 18, 2026 | 2d | 633 | — | — | derivative | Form 4 ↗ | |
| WCN | Option / conversion M | February 14, 2026 | February 18, 2026 | 4d | 602 | — | — | derivative | Form 4 ↗ | |
| WCN | Other A | February 13, 2026 | February 18, 2026 | 5d | 2,905 | — | — | latederivative | Form 4 ↗ | |
| WCN | Other A | February 13, 2026 | February 18, 2026 | 5d | 2,905 | — | — | latederivative | Form 4 ↗ | |
| WCN | Sell F | February 17, 2026 | February 18, 2026 | 1d | 749 | $161 | $121K | Form 4 ↗ | ||
| WCN | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 3,075 | — | — | Form 4 ↗ | ||
| WCN | Sell F | February 17, 2026 | February 18, 2026 | 1d | 135 | $161 | $22K | Form 4 ↗ | ||
| WCN | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 551 | — | — | Form 4 ↗ | ||
| WCN | Sell F | February 16, 2026 | February 18, 2026 | 2d | 156 | $160 | $25K | Form 4 ↗ | ||
| WCN | Option / conversion M | February 16, 2026 | February 18, 2026 | 2d | 633 | — | — | Form 4 ↗ | ||
| WCN | Sell F | February 14, 2026 | February 18, 2026 | 4d | 179 | $160 | $29K | Form 4 ↗ | ||
| WCN | Option / conversion M | February 14, 2026 | February 18, 2026 | 4d | 602 | — | — | Form 4 ↗ | ||
| WCN | Sell S | December 10, 2025 | December 12, 2025 | 2d | 2,000 | $168 | $335K | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| August 21, 2026 | Form 4 | 0001983938-26-000007 | 1 | published | EDGAR ↗ |
| July 31, 2026 | Form 4 | 0001983938-26-000006 | 1 | published | EDGAR ↗ |
| May 18, 2026 | Form 4 | 0001983938-26-000004 | 1 | published | EDGAR ↗ |
| May 14, 2026 | Form 4 | 0001983938-26-000003 | 2 | published | EDGAR ↗ |
| February 20, 2026 | Form 4 | 0001983938-26-000002 | 3 | published | EDGAR ↗ |
| February 18, 2026 | Form 4 | 0001983938-26-000001 | 14 | published | EDGAR ↗ |
| December 12, 2025 | Form 4 | 0001983938-25-000003 | 1 | published | EDGAR ↗ |
Other insiders at Waste Connections, Inc.
- MITTELSTAEDT RONALD J President & CEO 24 rows
- Shea Patrick James Exec VP, General Counsel & Sec 21 rows
- CRAFT JASON Executive Vice President & COO 20 rows
- Black Matthew Stephen Sr VP Chief Tax Officer 19 rows
- BRADLEY AARON SR VP PERFORMANCE OPTIMIZATION 19 rows
- Cloninger Robert Michael SR VP, Deputy General Counsel 19 rows
- HANSEN ERIC Senior Vice President and CIO 18 rows
- LITTLE JAMES Executive VP Engineering 18 rows
- Netherton Susan SR VP People, Training & Dev 18 rows
- RIVARD PHILIP SR VP Business Development 18 rows
Everyone on file, with contracts and lobbying under the company's name: Waste Connections, Inc..
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 7 | 23 | December 12, 2025 | August 21, 2026 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.