By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
It has been a mixed year for 3M Co insiders: $1,822 bought by one person and $24.5 million sold by seven, so more selling than buying overall.
The largest purchase came from Goralski Christian T JR (President), about $875. C-suite participation is part of the picture here.
On the institutional side, 2,233 funds reported holding MMM at the end of Q2 2026, and funds were split between buying and selling. Quarter by quarter: Last full quarter: net selling by insiders. Insiders bought in 0 of the last 7 full quarters. Members of Congress reported 22 trades in MMM over the past two years (eight members).
Are insiders buying or selling MMM stock?
In the last 12 months 3M Co insiders made open-market purchases worth about $1,822 and sales worth about $24.5 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in MMM?
The most recent open-market insider trade in MMM was filed on 2026-08-06.
How many institutions own MMM?
2,233 investment managers reported holding MMM in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded MMM?
Yes. Members of Congress reported 22 trades in MMM 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).