Illinois Tool Works Inc (ITW) Insider Ownership

Historic Insider Ownership Trends

Illinois Tool Works's three largest insider shareholders as of March 23, 2026 are Ernest Scott Santi (Director, 264.22K shares), Christopher A O'Herlihy (President Ceo, 59.53K shares), Susan Crown (Director, 58.08K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Ernest Scott Santi 264,216 0 17 Feb, 2026
Christopher A O'Herlihy President Ceo 59,527 0 17 Feb, 2026
Michael M Larsen Svp Cfo 54,578 0 17 Feb, 2026
Pamela B Strobel 38,215 0 07 Nov, 2025
Mary Katherine Lawler Svp Chief Hr Officer 30,307 0 17 Feb, 2026
David Byron Jr Smith 29,325 0 10 Feb, 2026
Richard H Lenny 20,793 0 06 May, 2025
Michael R. Zimmerman Executive Vice President 15,657 0 14 Feb, 2024
David Byron Jr Smith 0 12,699 12 Dec, 2025
Randall J Scheuneman Vp Chief Accounting Officer 10,864 0 17 Feb, 2026
Kevin M Warren 10,808 0 11 May, 2021
Sharon Szafranski Executive Vice President 8,663 0 17 Feb, 2026
Lei Zhang Schlitz Executive Vice President 7,803 0 13 May, 2022
Anre D Williams 6,675 0 14 Nov, 2022
Guilherme De Figueiredo Silva Executive Vice President 2,557 0 17 Feb, 2026
Jennifer Kaplan Schott Svp, General Counsel Secy. 2,382 0 18 Feb, 2025
Jaime A Irick 1,521 0 06 May, 2025
Mark A. Thibeault Executive Vice President 593 0 17 Feb, 2026
Christopher P. Rauch Svp, General Counsel Secy. 348 0 12 Feb, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
12 Feb, 2026 Christopher A O'Herlihy Common Stock A 7,024 $0.00 62,137 D M
12 Feb, 2026 Michael M Larsen Common Stock A 6,424 $0.00 56,926 D M
12 Feb, 2026 Mary Katherine Lawler Common Stock A 2,740 $0.00 31,521 D M
12 Feb, 2026 Ernest Scott Santi Common Stock A 9,572 $0.00 268,457 D M
12 Feb, 2026 Sharon Szafranski Common Stock A 2,098 $0.00 9,294 D M
12 Feb, 2026 Guilherme De Figueiredo Silva Common Stock A 598 $0.00 2,750 D M
12 Feb, 2026 Mark A. Thibeault Common Stock A 469 $0.00 750 D M
12 Feb, 2026 Randall J Scheuneman Common Stock A 803 $0.00 11,117 D M
13 Feb, 2026 Christopher P. Rauch Employee Stock Option A 5,850 $0.00 5,850 D A
12 Feb, 2026 Michael M Larsen Common Stock D 2,348 $298.51 54,578 D F
12 Feb, 2026 Randall J Scheuneman Common Stock D 253 $298.51 10,864 D F
12 Feb, 2026 Mark A. Thibeault Common Stock D 157 $298.51 593 D F
12 Feb, 2026 Mary Katherine Lawler Common Stock D 1,214 $298.51 30,307 D F
12 Feb, 2026 Guilherme De Figueiredo Silva Common Stock D 193 $298.51 2,557 D F
12 Feb, 2026 Ernest Scott Santi Common Stock D 4,241 $298.51 264,216 D F
12 Feb, 2026 Sharon Szafranski Common Stock D 631 $298.51 8,663 D F
12 Feb, 2026 Christopher A O'Herlihy Common Stock D 2,610 $298.51 59,527 D F
12 Feb, 2026 Sharon Szafranski Performance Share Units (granted 2/10/23) D 2,098 $0.00 0 D M
12 Feb, 2026 Michael M Larsen Performance Share Units (granted 2/10/23) D 6,424 $0.00 0 D M
12 Feb, 2026 Ernest Scott Santi Performance Share Units (granted 2/10/23) D 9,572 $0.00 0 D M