Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Pentair plc., 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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Pentair plc. May 5, 202693.3%
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Lumen Technologies Inc. May 13, 202598.2%
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Lumen Technologies Inc. May 15, 202496.6%
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Pentair plc. May 7, 202486.0%
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Lumen Technologies Inc. May 17, 202394.3%
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Pentair plc. May 9, 202384.7%
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 |
|---|---|---|---|---|---|
| Jan 2, 2026 | Pentair plc. | Grant or award | +1,564 | — | — |
| Jan 2, 2026 | Pentair plc. | Shares withheld for tax | −714 | $105.47 | $75,306 |
| Dec 1, 2025 | Pentair plc. | Option exercise | +6,558 | $32.83 | $215,299 |
| Dec 1, 2025 | Pentair plc. | Open-market sale | −6,558 | $104.33 | $684,196 |
| May 14, 2025 | Lumen Technologies Inc. | Grant or award | +51,394 | — | — |
| Jan 2, 2025 | Pentair plc. | Grant or award | +1,643 | — | — |
| Jan 2, 2025 | Pentair plc. | Shares withheld for tax | −985 | $100.40 | $98,894 |
| Dec 2, 2024 | Pentair plc. | Option exercise | +4,008 | $44.43 | $178,075 |
| Dec 2, 2024 | Pentair plc. | Open-market sale | −4,008 | $109.14 | $437,433 |
| May 16, 2024 | Lumen Technologies Inc. | Grant or award | +157,518 | — | — |
| Feb 26, 2024 | Lumen Technologies Inc. | Open-market purchase | +50,000 | $1.47 | $73,500 |
| Jan 3, 2024 | Pentair plc. | Shares withheld for tax | −1,365 | $68.28 | $93,202 |
| Jan 2, 2024 | Pentair plc. | Grant or award | +2,256 | — | — |
| Dec 1, 2023 | Pentair plc. | Option exercise | +2,260 | $51.21 | $115,735 |
| Dec 1, 2023 | Pentair plc. | Open-market sale | −2,260 | $64.40 | $145,544 |
Questions about T. Michael Glenn
What boards is T. Michael Glenn on?
T. Michael Glenn sits on the boards of Lumen Technologies Inc. and Pentair plc.
How long has T. Michael Glenn served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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