By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
Over 12 months, Waste Management Inc saw more selling than buying from its insiders — purchases of about $393,000 against sales of $24.2 million.
Biggest single buyer: MENKE SEAN E, Director, with roughly $393,000.
3 quarters in a row of net selling by insiders. Insiders bought in 1 of the last 7 full quarters. WM also shows up in congressional disclosures: 6 reported trades from five lawmakers in two years. Big money check: 2,364 institutions held WM as of Q2 2026, and funds were split between buying and selling.
Are insiders buying or selling WM stock?
In the last 12 months Waste Management Inc insiders made open-market purchases worth about $393,000 and sales worth about $24.2 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in WM?
The most recent open-market insider trade in WM was filed on 2026-09-08.
How many institutions own WM?
2,364 investment managers reported holding WM in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded WM?
Yes. Members of Congress reported 6 trades in WM over the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).