Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 11 years
- Director since
- 2023
11 years of board service in total across 3 boards, counting each seat separately. Longest: Acuity Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Chipotle Mexican Grill Inc. June 11, 202698.8%
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Chipotle Mexican Grill Inc. June 11, 202598.6%
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Chipotle Mexican Grill Inc. June 6, 202498.8%
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Acuity Inc. January 24, 202494.8%
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Chipotle Mexican Grill Inc. May 25, 202398.5%
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Northrop Grumman Corporation May 17, 202398.2%
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Acuity Inc. January 25, 202394.8%
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 |
|---|---|---|---|---|---|
| Jun 11, 2026 | Chipotle Mexican Grill Inc. | Grant or award | +6,880 | $31.25 | $215,000 |
| May 20, 2026 | Northrop Grumman Corporation | Grant or award | +349 | $552.17 | $192,707 |
| Jun 11, 2025 | Chipotle Mexican Grill Inc. | Grant or award | +4,152 | $51.79 | $215,032 |
| May 21, 2025 | Northrop Grumman Corporation | Grant or award | +385 | $473.90 | $182,452 |
| Jul 31, 2024 | Northrop Grumman Corporation | Grant or award | +377 | $484.32 | $182,589 |
| Jun 6, 2024 | Chipotle Mexican Grill Inc. | Grant or award | +67 | — | — |
| May 25, 2023 | Chipotle Mexican Grill Inc. | Grant or award | +105 | — | — |
| May 17, 2023 | Northrop Grumman Corporation | Grant or award | +392 | $447.34 | $175,357 |
| Mar 15, 2023 | Northrop Grumman Corporation | Grant or award | +69 | $448.90 | $30,974 |
Questions about Mary A. Winston
What boards is Mary A. Winston on?
Mary A. Winston sits on the boards of Acuity Inc., Chipotle Mexican Grill Inc. and Northrop Grumman Corporation.
How long has Mary A. Winston served on boards?
Our records show at least 11 years of board service across 3 boards, the earliest from 2023.
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