Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 6 years
- Director since
- 2023
6 years of board service in total across 2 boards, counting each seat separately. Longest: Masco Corporation, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Illinois Tool Works Inc. May 8, 202699.3%
-
Masco Corporation May 8, 202691.9%
-
Illinois Tool Works Inc. May 2, 202598.4%
-
Illinois Tool Works Inc. May 3, 202498.4%
-
Masco Corporation May 11, 202395.7%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| May 8, 2026 | Masco Corporation | Grant or award | +2,650 | — | — |
| Feb 12, 2026 | Illinois Tool Works Inc. | Option exercise | +7,024 | — | — |
| Feb 12, 2026 | Illinois Tool Works Inc. | Shares withheld for tax | −2,610 | $298.51 | $779,111 |
| May 9, 2025 | Masco Corporation | Grant or award | +2,900 | — | — |
| Mar 7, 2025 | Illinois Tool Works Inc. | Option exercise | +48,453 | $128.00 | $6,201,984 |
| Mar 7, 2025 | Illinois Tool Works Inc. | Open-market sale | −43,017 | $274.27 | $11,798,273 |
| Mar 7, 2025 | Illinois Tool Works Inc. | Open-market sale | −5,436 | $275.11 | $1,495,498 |
| Feb 13, 2025 | Illinois Tool Works Inc. | Option exercise | +6,962 | — | — |
| Feb 13, 2025 | Illinois Tool Works Inc. | Shares withheld for tax | −2,508 | $260.09 | $652,306 |
| May 10, 2024 | Masco Corporation | Grant or award | +2,490 | — | — |
| Feb 12, 2024 | Illinois Tool Works Inc. | Option exercise | +13,209 | — | — |
| Feb 12, 2024 | Illinois Tool Works Inc. | Shares withheld for tax | −5,852 | $256.42 | $1,500,570 |
| May 11, 2023 | Masco Corporation | Grant or award | +3,040 | — | — |
Questions about Christopher A. O'herlihy
What boards is Christopher A. O'herlihy on?
Christopher A. O'herlihy sits on the boards of Illinois Tool Works Inc. and Masco Corporation.
What company is Christopher A. O'herlihy the CEO of?
Christopher A. O'herlihy is President & CEO of Illinois Tool Works Inc.
How long has Christopher A. O'herlihy served on boards?
Our records show at least 6 years of board service across 2 boards, the earliest from 2023.
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