Latest filingSep 08, 2026Most recent Form 4
WM
WASTE MANAGEMENT INC
NYSEUtilitiesRefuse Systems
Insider activity for last month from 08/10 to 09/10. 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$30.0M1 sells
Net open-market-$30.0M2 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 period4transactions
- G · Gifts · dominant2 · 50%
- F · Tax withholding1 · 25%
- S · Open-market sells1 · 25%
Activity by reported role
A joint filing can contribute to multiple roles7transactions
- CAO · dominant3 · 43%
- VP3 · 43%
- SCHO1 · 14%
Distinct insiders active
Reporting-owner CIKs by month · peak Sep 2026 (2)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeCarroll John A.Common Stock · Indirect · Jjc Cache Llc
3,508.9393Sep 04, 2026
Carroll John A.Common Stock · Direct
4,109.3646Aug 28, 2026
Stith Kimberly G.Common Stock · Direct
4,479.8834Sep 03, 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 10 → Sep 10
LessMore
Top insiders
By absolute net value across the selected period- CA-$300.2k
- SG-$78.4k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
WM 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| WM | Carroll John A. | VPCAO | sale | 1.36k | -$30.0M | S | — | 0.0% | 09/08 | 09/04 |
| WM | Stith Kimberly G. | SCHO | withholding | 356 | -$7.83M | F | — | 0.0% | 09/08 | 09/03 |
| WM | Carroll John A. | VPCAO | gift | 4.87k | $0 | G | 0.0% | 08/31 | 08/28 | |
| WM | Carroll John A. | VPCAO | gift | 4.87k | $0 | G | 0.0% | 08/31 | 08/28 |
WASTE MANAGEMENT INC Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at WASTE MANAGEMENT INC?
Carroll John A., Stith Kimberly G..
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?
Carroll John A. reported a sale on Sep 04, 2026 valued at $30.0M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $300,163.50. 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.