Photo: World Economic Forum, CC BY 3.0, via Wikimedia Commons²³

Mike Lamach

American businessperson and board member; former Chair and CEO of Ingersoll Rand; former Executive Chair of Trane Technologies; director at Nucor¹

Michael W. Lamach is the former chairman and CEO of Trane Technologies.²

From Wikipedia’s article on Mike Lamach (this version), CC BY-SA 4.0.

Companies

COLUMBUS MCKINNON CORPBoard member Feb 12, 2026 to now⁶
HoneywellBoard member Dec 5, 2023 to now⁷
NucorBoard member Sep 1, 2022 to now⁸
PPG IndustriesBoard member Apr 17, 2015 to now⁹
Ingersoll RandChair Feb 25, 2014 to Dec 9, 2021¹⁰
Ingersoll RandChief executive officer Feb 17, 2010 to Mar 5, 2021¹¹
Ingersoll RandPresident Feb 17, 2010 to Mar 26, 2015¹¹
Iron Mountain IncorporatedBoard member Jul 13, 2007 to Mar 24, 2015¹²
Ingersoll RandBoard member Feb 17, 2010 to Oct 2, 2013¹¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Ingersoll Rand TT133,165 shares¹³$61.0M at $458.23Dec 9, 2021
Nucor NUE4,610 shares¹⁴$1.2M at $256.18Jun 3, 2026
Honeywell HON3,108 shares¹⁵$657.1K at $211.43Apr 15, 2026
COLUMBUS MCKINNON CORP CMCO7,610 shares¹⁶$111.8K at $14.69Aug 19, 2026
PPG Industries PPG500 shares¹⁷$53.6K at $107.27Apr 17, 2015

As of each latest filing. The line shows shares held over time.

Recent filings

Aug 17, 2026Granted 7,590 shares of COLUMBUS MCKINNON CORP¹⁶
Jun 1, 2026Granted 755 shares of Nucor¹⁴
Apr 15, 2026Exercised options 625 shares at $230.93 of Honeywell¹⁵
Jun 1, 2025Granted 1,554 shares of Nucor¹⁸
Apr 15, 2025Exercised options 650 shares at $200.38 of Honeywell¹⁹
Jun 1, 2024Granted 1,006 shares of Nucor²⁰
Apr 15, 2024Exercised options 153 shares at $195.84 of Honeywell²¹
Jun 1, 2023Granted 1,240 shares of Nucor²²
Dec 8, 2021Sold 49,930 shares at $200.00 of Ingersoll Rand¹³
Dec 8, 2021Exercised options 49,930 shares at $105.28 of Ingersoll Rand¹³

Early life and education

Date not recordedMichigan State University³
Date not recordedFuqua School of Business³

Lamach received a Bachelor in Engineering from Michigan State University and a Master in Business Administration from Duke University's Fuqua School of Business.

He grew up in Clinton Township, Michigan. He also has 2 sisters, one younger and one older.

He is married and has 3 children.

Lamach joined Ingersoll Rand in 2004, became CEO and Chairman in 2010.

He received the Michigan State University's 2019 Alumni Grand Award.

From Wikipedia’s article on Mike Lamach (this version), CC BY-SA 4.0.

Career

Since 2022Board member, Nucor⁴

Personal life

CitizenshipUnited States⁵

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataMike Lamach on Wikidata
2
WikipediaMike Lamach on Wikipedia
3
WikidataMike Lamach: education, on Wikidata
4
WikidataMike Lamach: Board member, Nucor, on Wikidata
5
WikidataMike Lamach: citizenship, on Wikidata
6
SEC EDGARCOLUMBUS MCKINNON CORP, Board member
7
SEC EDGARHoneywell, Board member
8
Wikidata and SEC EDGARNucor, Board member
9
SEC EDGARPPG Industries, Board member
10
SEC EDGARIngersoll Rand, Chair
11
SEC EDGARIngersoll Rand, Chief executive officer
12
SEC EDGARIron Mountain Incorporated, Board member
13
SEC EDGARIngersoll Rand shares after the filing of Dec 9, 2021
14
SEC EDGARNucor shares after the filing of Jun 3, 2026
15
SEC EDGARHoneywell shares after the filing of Apr 15, 2026
16
SEC EDGARCOLUMBUS MCKINNON CORP shares after the filing of Aug 19, 2026
17
SEC EDGARPPG Industries shares after the filing of Apr 17, 2015
18
SEC EDGARForm 4 filed Jun 3, 2025
19
SEC EDGARForm 4 filed Apr 17, 2025
20
SEC EDGARForm 4 filed Jun 4, 2024
21
SEC EDGARForm 4 filed Apr 17, 2024
22
SEC EDGARForm 4 filed Jun 5, 2023
23
Wikimedia CommonsMike Lamach photo by World Economic Forum, CC BY 3.0