MMM insider buying and SEC filings, explained
3M Co. · CIK 66740
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Surgical & Medical Instruments & Apparatus
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- MINNESOTA MINING & MANUFACTURING CO
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$1.9M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 5, 2026 | Sale | Rodriguez Beatriz Karina Chavez (President / COO) sold 3,635 shares at $182.51 ($663K). Holdings down 21% to 14,035 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 6, 2026 |
| Jul 23, 2026 | Sale | Theresa E Reinseth (Sr Vice President & CAO) sold 924 shares at $169.42 ($157K). Holdings down 26% to 2,615 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 24, 2026 |
| May 30–Oct 23, 2024 | Purchase (code P) | Christian T Goralski JR (President / COO) bought 17 shares between May 30, 2024 and Oct 23, 2024 at about $107.18 ($2K), reported as a purchase (code P). Holdings up <1% to 6,971 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 9, 2026 |
| Feb 11, 2026 | Sale | Theresa E Reinseth (Sr Vice President & CAO) sold 5,145 shares at about $172.75 ($889K). Holdings down 67% to 2,585 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 12, 2026 |
| Feb 9, 2026 | Sale | Rodriguez Beatriz Karina Chavez (President / COO) sold 1,190 shares at $171.13 ($204K). Holdings down 6% to 17,649 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 10, 2026 |
65 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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