Ronald C. Foster

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
3 years
Director since
2023

3 years of board service in total across 1 board, counting each seat separately. Longest: Advanced Energy Industries Inc., 3 years.

3 years ยท Since 2023

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

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 2, 2026 Advanced Energy Industries Inc. Option exercise +2,313 โ€” โ€”
May 3, 2025 Advanced Energy Industries Inc. Option exercise +2,093 โ€” โ€”
May 5, 2024 Advanced Energy Industries Inc. Option exercise +2,257 โ€” โ€”
Dec 13, 2023 Advanced Energy Industries Inc. Open-market sale โˆ’618 $105.00 $64,890
Dec 1, 2023 Advanced Energy Industries Inc. Open-market sale โˆ’1,000 $95.00 $95,000
Nov 15, 2023 Advanced Energy Industries Inc. Open-market sale โˆ’1,000 $95.00 $95,000
Oct 2, 2023 Advanced Energy Industries Inc. Open-market sale โˆ’1,000 $103.26 $103,260
Sep 1, 2023 Advanced Energy Industries Inc. Open-market sale โˆ’1,000 $118.48 $118,480
Sep 1, 2023 Advanced Energy Industries Inc. Open-market sale โˆ’1,000 $118.48 $118,480
Aug 1, 2023 Advanced Energy Industries Inc. Open-market sale โˆ’1,000 $123.46 $123,460
Aug 1, 2023 Advanced Energy Industries Inc. Open-market sale โˆ’1,000 $123.46 $123,460
Jul 3, 2023 Advanced Energy Industries Inc. Open-market sale โˆ’1,000 $110.92 $110,920
Jul 3, 2023 Advanced Energy Industries Inc. Open-market sale โˆ’1,000 $110.91 $110,910
Jun 7, 2023 Advanced Energy Industries Inc. Open-market sale โˆ’1,000 $105.00 $105,000
Jun 1, 2023 Advanced Energy Industries Inc. Open-market sale โˆ’1,000 $97.98 $97,980

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