3m (MMM) 4: Goralski Christian T JR bought 1,288 shares at $162.12 on 2… (Oct 9, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-10-07 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: 3M CO (MMM) CIK: 0000066740 --- Reporting Owner --- Name: Goralski Christian T JR CIK: 0001973503 Role: Officer (Group President) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-10-07 | Code: M (Exercise of derivative) Shares: +1,288 | Price: $162.12 Total Value: $208,810.56 Shares Owned After: 8,259.28 | Ownership: D (Direct) Footnotes: [F1] Shares withheld for FICA tax for retirement eligible executives. [Transaction #2] Security: Common Stock Date: 2026-10-07 | Code: M (Exercise of derivative) Shares: +219 | Price: $162.12 Total Value: $35,504.28 Shares Owned After: 8,478.28 | Ownership: D (Direct) Footnotes: [F1] Shares withheld for FICA tax for retirement eligible executives. [Transaction #3] Security: Common Stock Date: 2026-10-07 | Code: M (Exercise of derivative) Shares: +217 | Price: $162.12 Total Value: $35,180.04 Shares Owned After: 8,695.28 | Ownership: D (Direct) Footnotes: [F1] Shares withheld for FICA tax for retirement eligible executives. [Transaction #4] Security: Common Stock Date: 2026-10-07 | Code: F (Payment of exercise/tax) Shares: -1,724 | Price: $162.12 Total Value: $279,494.88 Shares Owned After: 6,971.28 | Ownership: D (Direct) Footnotes: [F2] Includes shares acquired under 3M's General Employee Stock Purchase Plan. --- Derivative Transactions --- [Transaction #1] Security: Restricted Stock Units Date: 2026-10-07 | Code: M (Exercise of derivative) Shares: -1,288 | Price: $0.00 Shares Owned After: 19,299 | Ownership: D (Direct) Footnotes: [F3] Each restricted stock unit represents a contingent right to receive one share of 3M common stock. [F4] The restricted stock units vest on February 6, 2027. [F4] The restricted stock units vest on February 6, 2027. [Transaction #2] Security: Restricted Stock Units Date: 2026-10-07 | Code: M (Exercise of derivative) Shares: -219 | Price: $0.00 Shares Owned After: 5,055 | Ownership: D (Direct) Footnotes: [F3] Each restricted stock unit represents a contingent right to receive one share of 3M common stock. [F5] The restricted stock units vest 100% three years from the grant date. [F5] The restricted stock units vest 100% three years from the grant date. [Transaction #3] Security: Restricted Stock Units Date: 2026-10-07 | Code: M (Exercise of derivative) Shares: -217 | Price: $0.00 Shares Owned After: 5,012 | Ownership: D (Direct) Footnotes: [F3] Each restricted stock unit represents a contingent right to receive one share of 3M common stock. [F5] The restricted stock units vest 100% three years from the grant date. [F5] The restricted stock units vest 100% three years from the grant date. --- Footnotes (Complete Index) --- F1: Shares withheld for FICA tax for retirement eligible executives. F2: Includes shares acquired under 3M's General Employee Stock Purchase Plan. F3: Each restricted stock unit represents a contingent right to receive one share of 3M common stock. F4: The restricted stock units vest on February 6, 2027. F5: The restricted stock units vest 100% three years from the grant date. --- Signature --- /s/ /s/ Patricia L. Meagher, attorney-in-fact for Christian T. Goralski, Jr. (2026-10-09)