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: Gates Industrial Corporation Ltd., 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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Gates Industrial Corporation Ltd. June 4, 202697.8%
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Diamondback Energy Inc. May 20, 202699.5%
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LCI Industries May 12, 202699.9%
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Gates Industrial Corporation Ltd. June 5, 202599.9%
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LCI Industries May 15, 202599.4%
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Gates Industrial Corporation Ltd. June 20, 202499.9%
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Diamondback Energy Inc. June 6, 202498.5%
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LCI Industries May 16, 202499.7%
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Gates Industrial Corporation Ltd. June 8, 202399.6%
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Diamondback Energy Inc. June 8, 202398.0%
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LCI Industries May 18, 202399.2%
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 20, 2026 | Diamondback Energy Inc. | Grant or award | +982 | — | — |
| May 12, 2026 | LCI Industries | Option exercise | +1,761 | $112.42 | $197,972 |
| Mar 4, 2026 | Gates Industrial Corporation Ltd. | Grant or award | +6,097 | — | — |
| May 21, 2025 | Diamondback Energy Inc. | Grant or award | +1,417 | — | — |
| May 15, 2025 | LCI Industries | Option exercise | +1,413 | $88.96 | $125,700 |
| Feb 28, 2025 | Gates Industrial Corporation Ltd. | Grant or award | +6,701 | — | — |
| Jun 6, 2024 | Diamondback Energy Inc. | Grant or award | +1,035 | — | — |
| May 16, 2024 | LCI Industries | Option exercise | +1,357 | $110.83 | $150,396 |
| Mar 4, 2024 | Gates Industrial Corporation Ltd. | Grant or award | +9,751 | — | — |
| Jun 8, 2023 | Diamondback Energy Inc. | Grant or award | +1,527 | — | — |
| May 18, 2023 | LCI Industries | Option exercise | +1,479 | $114.53 | $169,390 |
| Mar 1, 2023 | Gates Industrial Corporation Ltd. | Grant or award | +9,567 | — | — |
Questions about Stephanie K. Mains
What boards is Stephanie K. Mains on?
Stephanie K. Mains sits on the boards of Diamondback Energy Inc., Gates Industrial Corporation Ltd. and LCI Industries.
How long has Stephanie K. Mains served on boards?
Our records show at least 11 years of board service across 3 boards, the earliest from 2023.
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