SEC Insider Transactions from FOSTER RONALD C.

Last updated: 2026-03-14 11:33 UTC | Total transactions: 20

FOSTER RONALD C has filed 20 insider transactions across 1 company since May 2023.

Most recent transaction: a option exercise of 2093 shares of ADVANCED ENERGY INDUSTRIES INC ($AEIS) on May 03, 2025.

Activity breakdown: 0 open-market purchases and 13 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
May 3, 2025 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Not found M Common Stock 2093 $0.00 41,200.0000 38,100,000 5.35% 0.01%
May 2, 2025 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Not found A Restricted Stock Units 2313 $0.00 2,313.0000 38,100,000 9999.99% 0.01%
May 3, 2025 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Not found M Restricted Stock Units 2093 $0.00 0.0000 38,100,000 100.00% 0.01%
May 5, 2024 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Not found M Common Stock 2257 $0.00 39,107.0000 37,700,000 6.12% 0.01%
May 3, 2024 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Not found A Restricted Stock Units 2093 $0.00 2,093.0000 37,700,000 9999.99% 0.01%
May 5, 2024 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Not found M Restricted Stock Units 2257 $0.00 0.0000 37,700,000 100.00% 0.01%
Dec. 13, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 618 $105.00 36,850.0000 37,854,000 1.65% 0.00%
Dec. 1, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 1000 $95.00 37,468.0000 37,854,000 2.60% 0.00%
Nov. 15, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 1000 $95.00 38,468.0000 37,854,000 2.53% 0.00%
Oct. 2, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 1000 $103.26 39,468.0000 37,854,000 2.47% 0.00%
Sept. 1, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 1000 $118.48 40,468.0000 37,803,000 2.41% 0.00%
Sept. 1, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 1000 $118.48 40,468.0000 37,803,000 2.41% 0.00%
Aug. 1, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 1000 $123.46 42,468.0000 37,803,000 2.30% 0.00%
Aug. 1, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 1000 $123.46 42,468.0000 37,803,000 2.30% 0.00%
July 3, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 1000 $110.92 44,468.0000 37,803,000 2.20% 0.00%
July 3, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 1000 $110.91 44,468.0000 37,803,000 2.20% 0.00%
June 7, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 1000 $105.00 46,468.0000 37,757,000 2.11% 0.00%
June 1, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 1000 $97.98 47,468.0000 37,757,000 2.06% 0.00%
May 25, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director S Common Stock 1000 $95.00 48,468.0000 37,757,000 2.02% 0.00%
May 5, 2023 ADVANCED ENERGY INDUSTRIES INC $AEIS FOSTER RONALD C Director A Common Stock 2257 $0.00 2,257.0000 37,757,000 9999.99% 0.01%