Mary Katherine Lawler

Companies

• Quanex Building Products CORPBoard member Nov 3, 2025 to now¹
• Illinois Tool WorksSVP & Chief HR Officer Oct 21, 2014 to now²
• GATX CORPSr. VP HR May 15, 2008 to Jun 3, 2014³

Holdings

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

Shares held

• Illinois Tool Works ITW30,805 shares⁴$8.5M at $276.62Feb 17, 2026
• GGATX CORP GATX14,058 shares⁵$2.3M at $164.27Jun 3, 2014

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

Recent filings

• Feb 12, 2026Shares withheld for tax 1,214 shares at $298.51 of Illinois Tool Works⁴
• Feb 12, 2026Exercised options 2,740 shares of Illinois Tool Works⁴
• Feb 6, 2026Sold 17,279 shares at $291.90 of Illinois Tool Works⁶
• Feb 6, 2026Exercised options 17,279 shares at $163.36 of Illinois Tool Works⁶
• Feb 13, 2025Shares withheld for tax 808 shares at $260.09 of Illinois Tool Works⁷
• Feb 13, 2025Exercised options 2,712 shares of Illinois Tool Works⁷
• Nov 6, 2024Sold 11,647 shares at $272.95 of Illinois Tool Works⁸
• Nov 6, 2024Exercised options 11,647 shares at $128.00 of Illinois Tool Works⁸
• Feb 28, 2024Sold 11,647 shares at $262.40 of Illinois Tool Works⁹
• Feb 28, 2024Exercised options 11,647 shares at $128.00 of Illinois Tool Works⁹
• Feb 12, 2024Shares withheld for tax 2,451 shares at $256.42 of Illinois Tool Works¹⁰
• Feb 12, 2024Exercised options 5,600 shares of Illinois Tool Works¹⁰
• Feb 14, 2023Shares withheld for tax 988 shares at $238.05 of Illinois Tool Works¹¹
• Feb 14, 2023Exercised options 2,452 shares of Illinois Tool Works¹¹
• Feb 15, 2022Shares withheld for tax 1,174 shares at $219.74 of Illinois Tool Works¹²
• Feb 15, 2022Exercised options 2,650 shares of Illinois Tool Works¹²
• Nov 11, 2021Sold 19,436 shares at $233.24 of Illinois Tool Works¹³
• Nov 11, 2021Exercised options 19,436 shares at $98.26 of Illinois Tool Works¹³
• Feb 15, 2021Shares withheld for tax 594 shares at $200.98 of Illinois Tool Works¹⁴
• Feb 15, 2021Exercised options 1,961 shares of Illinois Tool Works¹⁴
• Aug 3, 2020Sold 14,356 shares at $185.72 of Illinois Tool Works¹⁵
• Aug 3, 2020Exercised options 19,980 shares at $91.88 of Illinois Tool Works¹⁵
• Feb 14, 2020Shares withheld for tax 1,137 shares at $183.84 of Illinois Tool Works¹⁶
• Feb 14, 2020Exercised options 3,812 shares of Illinois Tool Works¹⁶
• Feb 15, 2019Shares withheld for tax 1,301 shares at $138.64 of Illinois Tool Works¹⁷

Trade performance

Returns are price-only (no dividends), measured from the trade date.