3M Company (MMM) SEC Filings

Browse all 3M Company SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more

3M Company Reports: Annual 10-K, Quarterly 10-Q & SEC Filings

SEC Filings

Date

SD

Specialized disclosure report (e.g., conflict minerals)

May 28, 2026

4

Insider ownership (buying, selling) activity

May 13, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

May 13, 2026

4

Insider ownership (buying, selling) activity

May 13, 2026

4

Insider ownership (buying, selling) activity

May 13, 2026

4

Insider ownership (buying, selling) activity

May 13, 2026

4

Insider ownership (buying, selling) activity

May 13, 2026

4

Insider ownership (buying, selling) activity

May 13, 2026

4

Insider ownership (buying, selling) activity

May 13, 2026

4

Insider ownership (buying, selling) activity

May 13, 2026

4

Insider ownership (buying, selling) activity

May 13, 2026

SC 13G/A

Updated passive ownership disclosure

May 12, 2026

SC 13G/A

Updated passive ownership disclosure

May 11, 2026

SC 13G/A

Updated passive ownership disclosure

May 11, 2026

SC 13G/A

Updated passive ownership disclosure

May 8, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

May 6, 2026

4

Insider ownership (buying, selling) activity

May 4, 2026

SC 13G/A

Updated passive ownership disclosure

May 4, 2026

4

Insider ownership (buying, selling) activity

May 4, 2026

4

Insider ownership (buying, selling) activity

May 4, 2026

SC 13G/A

Updated passive ownership disclosure

Apr 27, 2026

SC 13G

Passive large shareholder ownership disclosure

Apr 27, 2026

10-Q

Quarterly financial results and management updates

Apr 21, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Apr 21, 2026

4

Insider ownership (buying, selling) activity

Apr 9, 2026

4

Insider ownership (buying, selling) activity

Apr 2, 2026

DEFA14A

Additional or supplemental proxy disclosures

Mar 27, 2026

SC 13G/A

Updated passive ownership disclosure

Mar 26, 2026

DEF 14A

Final shareholder voting details (board elections and executive pay)

Mar 25, 2026

DEFA14A

Additional or supplemental proxy disclosures

Mar 25, 2026

ARS

Annual Report to Shareholders

Mar 25, 2026

4

Insider ownership (buying, selling) activity

Mar 3, 2026

4/A

Correction to a previously reported insider transaction

Feb 18, 2026

4/A

Correction to a previously reported insider transaction

Feb 18, 2026

4/A

Correction to a previously reported insider transaction

Feb 18, 2026

4/A

Correction to a previously reported insider transaction

Feb 18, 2026

4

Insider ownership (buying, selling) activity

Feb 12, 2026

4/A

Correction to a previously reported insider transaction

Feb 12, 2026

4

Insider ownership (buying, selling) activity

Feb 10, 2026

4

Insider ownership (buying, selling) activity

Feb 10, 2026

3M Company (Form SD) 2026

Ownership & Other / Specialized disclosure report (e.g., conflict minerals)

May 28, 2026

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