3M Ownership & Insider Activity

3M (MMM) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.5% of shares outstanding. Institutional investors hold 51.0%. Over the past 90 days, insiders made 2 sales worth $820K.

Shares Outstanding

515.722M

Shares Float

515.227M

Insider Shares Owned

2.360M

Insider % Owned

0.5%

Institutional Shares Held

262.848M

Institutional % Held

51.0%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$820K total

Net Activity

Net Selling

Net Value (90d)

-$820K

3M Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 5, 2026	Beatriz Karina Chavez Rodriguez	GROUP PRESIDENT	SELL	3.635K	$182.51	$663K
Jul 23, 2026	Theresa E Reinseth	SR VICE PRESIDENT & CAO	SELL	924.000	$169.42	$157K
Jul 23, 2026	John P. Banovetz	EXECUTIVE VICE PRESIDENT	SELL-OPTIONS	—	$162.56	$124K
Jul 22, 2026	Kevin H Rhodes	EVP, CHIEF LEGAL OFF & SECRET	SELL-OPTIONS	—	$162.94	$127K
Jul 22, 2026	Christian T. Goralski, Jr.	GROUP PRESIDENT	SELL-OPTIONS	—	$162.57	$77K

Date	Member	Party	Chamber	Action	Amount
Apr 28, 2026	Josh Gottheimer	D	House	Sale (Partial)	$1,001 - $15,000
Mar 31, 2026	Tina Smith	D	Senate	Sale	$50,001 - $100,000
Mar 27, 2026	Alan Armstrong	R	Senate	Purchase	$1,001 - $15,000
Feb 4, 2026	Julia Letlow	R	House	Sale	$1,001 - $15,000
Feb 2, 2026	Julia Letlow	R	House	Sale (Partial)	$1,001 - $15,000
Dec 18, 2025	Julie Johnson	D	House	Sale	$1,001 - $15,000
Nov 13, 2025	Julie Johnson	D	House	Sale (Partial)	$1,001 - $15,000
Oct 20, 2025	Josh Gottheimer	D	House	Sale (Partial)	$1,001 - $15,000
Aug 14, 2025	Julie Johnson	D	House	Sale (Partial)	$1,001 - $15,000
Jul 28, 2025	Val Hoyle	D	House	Sale	$1,001 - $15,000
Jun 18, 2025	Julie Johnson	D	House	Purchase	$1,001 - $15,000
May 23, 2025	Robert Bresnahan	R	House	Sale	$15,001 - $50,000
May 12, 2025	Jefferson Shreve	R	House	Sale	$15,001 - $50,000
Apr 11, 2025	Julie Johnson	D	House	Purchase	$1,001 - $15,000
Apr 5, 2025	Josh Gottheimer	D	House	Purchase	$1,001 - $15,000
Apr 1, 2025	Julie Johnson	D	House	Purchase	$1,001 - $15,000
Mar 15, 2025	Julie Johnson	D	House	Purchase	$1,001 - $15,000
Mar 12, 2025	Julie Johnson	D	House	Purchase	$1,001 - $15,000
Jan 30, 2025	Josh Gottheimer	D	House	Purchase	$1,001 - $15,000
Jan 21, 2025	Josh Gottheimer	D	House	Purchase	$1,001 - $15,000