W.W. Grainger, Inc. (GWW) Insider Ownership

Historic Insider Ownership Trends

GWW's three largest insider shareholders as of April 22, 2026 are Donald G Macpherson (Chairman And Ceo, 108.74K shares), John L Howard (Sr. Vp And General Counsel, 20.57K shares), Paige K Robbins (Sr. Vp, 16.00K 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
Donald G Macpherson Chairman And Ceo 108,740 0 02 Apr, 2026
John L Howard Sr. Vp And General Counsel 20,567 0 04 Apr, 2022
Paige K Robbins Sr. Vp 0 16,004 27 May, 2025
Deidra C Merriwether Sr. Vp Cfo 10,541 0 02 Apr, 2026
Kathleen S Carroll Svp Chief Hr Officer 4,268 0 04 Apr, 2023
Krantz Nancy L Berardinelli Sr. Vp Clo 3,791 0 02 Apr, 2026
Paige K Robbins Sr. Vp 3,689 0 02 Apr, 2026
Melanie J Tinto Svp Chief Hr Officer 3,645 0 02 Apr, 2026
Jonny M Leroy Svp, Chief Technology Officer 2,408 0 02 Apr, 2026
Matt Fortin Svp Chief Hr Officer 1,848 0 24 Jun, 2024
Laurie R Thomson Vp, Controller 712 0 02 Apr, 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
01 Apr, 2026 Jonny M Leroy Common Stock A 498 $0.00 2,269 D A
01 Apr, 2026 Paige K Robbins Common Stock A 1,327 $0.00 3,642 D A
01 Apr, 2026 Donald G Macpherson Common Stock A 5,292 $0.00 109,177 D A
01 Apr, 2026 Melanie J Tinto Common Stock A 764 $0.00 3,645 D A
01 Apr, 2026 Krantz Nancy L Berardinelli Common Stock A 863 $0.00 3,660 D A
01 Apr, 2026 Deidra C Merriwether Common Stock A 1,327 $0.00 11,562 D A
01 Apr, 2026 Laurie R Thomson Common Stock A 150 $0.00 728 D A
01 Apr, 2026 Paige K Robbins Common Stock D 547 $1,090.81 3,095 D F
01 Apr, 2026 Krantz Nancy L Berardinelli Common Stock D 383 $1,090.81 3,277 D F
01 Apr, 2026 Jonny M Leroy Common Stock D 148 $1,090.81 2,121 D F
01 Apr, 2026 Donald G Macpherson Common Stock D 2,345 $1,090.81 106,832 D F
01 Apr, 2026 Deidra C Merriwether Common Stock D 569 $1,090.81 10,993 D F
01 Apr, 2026 Laurie R Thomson Common Stock D 44 $1,090.81 684 D F
01 Apr, 2026 Deidra C Merriwether Common Stock A 1,619 $0.00 12,612 D A
01 Apr, 2026 Paige K Robbins Common Stock A 1,134 $0.00 4,229 D A
01 Apr, 2026 Laurie R Thomson Common Stock A 118 $0.00 802 D A
01 Apr, 2026 Donald G Macpherson Common Stock A 3,461 $0.00 110,293 D A
01 Apr, 2026 Krantz Nancy L Berardinelli Common Stock A 903 $0.00 4,180 D A
01 Apr, 2026 Jonny M Leroy Common Stock A 498 $0.00 2,619 D A
01 Apr, 2026 Laurie R Thomson Common Stock D 17 $1,090.81 785 D F