William M. Brown
American businessman
William M. "Bill" Brown is an American business executive. He became the CEO of 3M on May 1, 2024 and chairman of its board of directors on March 1, 2025.2
From Wikipedia’s article on William M. Brown (this version), CC BY-SA 4.0.
About
Mr. Brown is also the former chairman of L3Harris Technologies, a large defense contracting company. Previously, he was the president, CEO and chairman of Harris Corporation, the company that merged with L3 Technologies to create L3Harris Technologies in 2019.
Mr. Brown's tenure at L3Harris was controversial within the company, and he developed a deeply unfavorable reputation as someone who achieved stock price gains at the expense of his employees.
From Wikipedia’s article on William M. Brown, shared under CC BY-SA 4.0.2
Companies
- 3MChair May 5, 2025 to now6
- 3MChief executive officer May 1, 2024 to now7
- Becton DickinsonBoard member Mar 1, 2022 to now8
- Celanese CorporationBoard member Jan 5, 2016 to May 14, 20249
- L3Harris TechnologiesChair Jul 2, 2014 to Jul 1, 202210
- L3Harris TechnologiesChief executive officer Nov 2, 2011 to Jun 10, 202111
- Harris CorporationChief executive officer Nov 2011 to 201912
- L3Harris TechnologiesPresident Nov 2, 2011 to Aug 28, 201811
- RTXSVP, Corporate Strategy & Deve May 3, 2011 to May 3, 201113
- RTXPresident Jan 25, 2006 to Feb 9, 201114
Holdings
Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.
Shares held
L3Harris Technologies LHX259,078 shares15$64.3M at $248.17Jun 29, 2022
RTX RTX31,594 shares16$6.1M at $193.64May 3, 2011
3M MMM9,331 shares17$1.5M at $164.36May 1, 2026
Becton Dickinson BDX4,663 shares18$891.0K at $191.08Jan 27, 2026
Celanese Corporation CE103 shares19$4.9K at $47.44May 12, 2024
As of each latest filing. The line shows shares held over time.
Recent filings
- May 1, 2026Shares withheld for tax 3,912 shares at $142.50 of 3M17
- May 1, 2026Exercised options 8,578 shares at $142.50 of 3M17
- Jan 27, 2026Granted 1,098 shares of Becton Dickinson18
- May 2, 2025Shares withheld for tax 3,912 shares at $142.08 of 3M20
- May 2, 2025Exercised options 8,577 shares at $142.08 of 3M20
- Jan 28, 2025Granted 930 shares of Becton Dickinson21
- May 12, 2024Returned to company 1,777 shares of Celanese Corporation19
- Jan 23, 2024Granted 900 shares of Becton Dickinson22
- May 12, 2023Granted 1,777 shares at $98.46 of Celanese Corporation23
- May 3, 2023Returned to company 1,098 shares of Celanese Corporation24
- Jan 24, 2023Granted 848 shares of Becton Dickinson25
- Jun 29, 2022Shares withheld for tax 2,423 shares at $237.81 of L3Harris Technologies15
- Jun 29, 2022Exercised options 6,157 shares of L3Harris Technologies15
- Jun 29, 2022Shares withheld for tax 5,949 shares at $237.81 of L3Harris Technologies15
- Jun 29, 2022Exercised options 15,118 shares of L3Harris Technologies15
- Jun 29, 2022Shares withheld for tax 5,100 shares at $237.81 of L3Harris Technologies15
- Jun 29, 2022Exercised options 12,960 shares of L3Harris Technologies15
- Jun 29, 2022Shares withheld for tax 19,211 shares at $237.81 of L3Harris Technologies15
- Jun 29, 2022Exercised options 48,820 shares of L3Harris Technologies15
- May 3, 2022Granted 1,098 shares at $145.68 of Celanese Corporation26
- Apr 27, 2022Returned to company 975 shares of Celanese Corporation27
- Feb 28, 2022Granted 714 shares of Becton Dickinson28
- May 2, 2011Sold 8,766 shares at $90.37 of RTX16
- May 2, 2011Sold 6,900 shares at $90.30 of RTX16
- May 2, 2011Sold 6,528 shares at $90.32 of RTX16
Early life and education
- Date not recordedVillanova University3
Brown earned a bachelor's degree in 1984, and a master's in 1987, both in mechanical engineering from Villanova University. He received an MBA from the Wharton Business School.
From Wikipedia’s article on William M. Brown (this version), CC BY-SA 4.0.
Career
- Since 2024Chief executive officer, 3M4 5
- 2019 to 2022Worked at L3Harris Technologies4 5
- 2011 to 2019Chief executive officer, Harris Corporation4 5
Prior to joining Harris Corporation in 2011, he was senior vice president leading strategy and development for United Technologies Corporation. Before this, he was president of UTC's Fire & Security business. During his 14 years at UTC he acquired executive managerial experience in the US and in other countries. Before UTC he worked for McKinsey & Company as a senior engagement manager, overseeing business relationships.
From Wikipedia’s article on William M. Brown (this version), CC BY-SA 4.0.
Links
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataWilliam M. Brown on Wikidata
- 2WikipediaWilliam M. Brown on Wikipedia
- 3
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- 5
- 6SEC EDGAR3M, Chair
- 7Wikidata and SEC EDGAR3M, Chief executive officer
- 8SEC EDGARBecton Dickinson, Board member
- 9SEC EDGARCelanese Corporation, Board member
- 10SEC EDGARL3Harris Technologies, Chair
- 11
- 12
- 13SEC EDGARRTX, SVP, Corporate Strategy & Deve
- 14SEC EDGARRTX, President
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- 17
- 18
- 19
- 20SEC EDGARForm 4 filed May 5, 2025
- 21SEC EDGARForm 4 filed Jan 30, 2025
- 22SEC EDGARForm 4 filed Jan 25, 2024
- 23SEC EDGARForm 4 filed May 16, 2023
- 24SEC EDGARForm 4 filed May 5, 2023
- 25SEC EDGARForm 4 filed Jan 26, 2023
- 26SEC EDGARForm 4 filed May 5, 2022
- 27SEC EDGARForm 4 filed Apr 27, 2022
- 28SEC EDGARForm 4 filed Mar 1, 2022