Stephen Douglas Kelley
President and CEO at Advanced Energy Industries Inc.
Sits on 2 boards. Last updated September 28, 2026
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: Onto Innovation Inc., 3 years.
Onto Innovation Inc.
Director
Advanced Energy Industries Inc.
Director · President and CEO
Chief executive roles
Advanced Energy Industries Inc.
· President and CEO
Dates unknown
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 |
|---|---|---|---|---|---|
| Mar 16, 2025 | Advanced Energy Industries Inc. | Shares withheld for tax | −3,873 | $106.19 | $411,274 |
| Mar 1, 2025 | Advanced Energy Industries Inc. | Option exercise | +10,450 | — | — |
| Mar 1, 2025 | Advanced Energy Industries Inc. | Shares withheld for tax | −9,361 | $115.17 | $1,078,106 |
| Feb 20, 2025 | Advanced Energy Industries Inc. | Option exercise | +26,088 | $131.54 | $3,431,616 |
| Feb 20, 2025 | Advanced Energy Industries Inc. | Shares withheld for tax | −11,435 | $131.54 | $1,504,160 |
| May 22, 2024 | Onto Innovation Inc. | Grant or award | +809 | — | — |
| Mar 16, 2024 | Advanced Energy Industries Inc. | Shares withheld for tax | −3,874 | $95.75 | $370,936 |
| Mar 1, 2024 | Advanced Energy Industries Inc. | Shares withheld for tax | +8,004 | $101.20 | $810,005 |
| Feb 21, 2024 | Advanced Energy Industries Inc. | Option exercise | +19,801 | $99.60 | $1,972,180 |
| Feb 21, 2024 | Advanced Energy Industries Inc. | Shares withheld for tax | −8,658 | $99.60 | $862,337 |
| May 9, 2023 | Onto Innovation Inc. | Grant or award | +2,200 | — | — |
| Mar 16, 2023 | Advanced Energy Industries Inc. | Shares withheld for tax | −3,887 | $96.36 | $374,551 |
| Mar 1, 2023 | Advanced Energy Industries Inc. | Grant or award | +32,849 | $93.47 | $3,070,396 |
| Mar 1, 2023 | Advanced Energy Industries Inc. | Shares withheld for tax | −3,226 | $93.47 | $301,534 |
| Feb 14, 2023 | Onto Innovation Inc. | Grant or award | +500 | — | — |
Reviews (0)
Sign in to write a review.
No reviews yet. Be the first to write one.