Latest filingAug 21, 2026Most recent Form 4
WCN
Waste Connections, Inc.
NYSEUtilitiesRefuse Systems
Insider activity for last month from 08/09 to 09/09. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$82.5M3 sells
Net open-market-$82.5M3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period3transactions
- S · Open-market sells · dominant3 · 100%
Activity by reported role
A joint filing can contribute to multiple roles4transactions
- DEV · dominant1 · 25%
- SVBD1 · 25%
- SVO1 · 25%
- SVP1 · 25%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (3)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeNetherton SusanCommon Shares · Direct
12,980Aug 13, 2026
Rivard PhilipCommon Shares · Direct
734Aug 18, 2026
Nielsen Iii RobertCommon Shares · Direct
3,250Aug 19, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 09 → Sep 09
LessMore
Top insiders
By absolute net value across the selected period- RP-$416.4k
- NS-$290.5k
- NR-$119.0k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
WCN transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| WCN | NIELSEN III ROBERT | SVO | sale | 700 | -$11.9M | S | −2.0% | 08/21 | 08/19 | |
| WCN | RIVARD PHILIP | SVBD | sale | 2.50k | -$41.6M | S | −2.6% | 08/20 | 08/18 | |
| WCN | Netherton Susan | SVPDEV | sale | 1.75k | -$29.0M | S | −0.7% | 08/17 | 08/13 |
Waste Connections, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Waste Connections, Inc.?
NIELSEN III ROBERT, RIVARD PHILIP, Netherton Susan.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Nielsen Iii Robert reported a sale on Aug 19, 2026 valued at $11.9M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $825,925.00. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.