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: Steel Dynamics 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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Steel Dynamics Inc. May 11, 202395.6%
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 9, 2026 | Sensata Technologies Holding plc | Shares withheld for tax | −433 | $49.65 | $21,498 |
| Jun 10, 2025 | Sensata Technologies Holding plc | Grant or award | +6,178 | — | — |
| Jun 10, 2025 | Sensata Technologies Holding plc | Shares withheld for tax | −149 | $28.33 | $4,221 |
| Jun 11, 2024 | Sensata Technologies Holding plc | Grant or award | +4,462 | — | — |
| Jun 11, 2024 | Sensata Technologies Holding plc | Shares withheld for tax | −53 | $39.22 | $2,079 |
| Apr 12, 2024 | Steel Dynamics Inc. | Grant or award | +56 | — | — |
| Feb 27, 2024 | Tennant Company | Option exercise | +2,358 | $65.12 | $153,553 |
| Feb 27, 2024 | Tennant Company | Option exercise | +3,538 | $54.70 | $193,529 |
| Feb 27, 2024 | Tennant Company | Option exercise | +3,014 | $73.05 | $220,173 |
| Feb 27, 2024 | Tennant Company | Open-market sale | −8,910 | $110.09 | $980,902 |
| Jan 16, 2024 | Steel Dynamics Inc. | Grant or award | +66 | — | — |
| Oct 16, 2023 | Steel Dynamics Inc. | Grant or award | +69 | — | — |
| Aug 30, 2023 | Tennant Company | Option exercise | +1,765 | $64.20 | $113,313 |
| Aug 30, 2023 | Tennant Company | Open-market sale | −1,765 | $83.24 | $146,919 |
| Jul 14, 2023 | Steel Dynamics Inc. | Grant or award | +69 | — | — |
Questions about Steven Alan Sonnenberg
What boards is Steven Alan Sonnenberg on?
Steven Alan Sonnenberg sits on the boards of Sensata Technologies Holding plc, Steel Dynamics Inc. and Tennant Company.
How long has Steven Alan Sonnenberg served on boards?
Our records show at least 11 years of board service across 3 boards, the earliest from 2023.
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