InsiderTrades

FOSTER RONALD C

SEC CIK 1222896 · EDGAR

Buying vs selling by month open-market trades, last 41 months, AEIS
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
AEISADVANCED ENERGY INDUSTRIES INCDir 6,663 — $1.36M 142022-05-092026-05-02

Most active insiders at AEIS, 12 months

#InsiderTitleBoughtSold
1 Kelley Stephen DouglasPres, CEO, Dir —$15.83M
2 Acebedo Eduardo BernalEVP, COO —$7.81M
3 Roush John ADir —$3.31M
4 Oldham Paul REVP, CFO —$3.02M
5 Vonne Elizabeth KarpinskiEVP, GC —$1.42M
6 Shirley BrianDir —$842.3K
7 COLPITTS BERNARD RAYMOND JRSVP, CAO —$833.2K
8 DelSanto AnneDir —$615.1K
9 Donikowski TinaDir —$474.7K
10 Minnix LaneshaDir —$316.6K
13 FOSTER RONALD CDir ——

Transactions 14

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-05-05 20:41 2026-05-02 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir M - OptEx — +2,313 6,663 +53% —
D 2025-05-06 2025-05-03 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir M - OptEx — +2,093 4,350 +93% —
D 2024-05-07 2024-05-05 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir M - OptEx — +2,257 2,257 New —
2023-12-14 2023-12-13 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir S - Sale $105.00 -618 0 -100% -$64.9K
2023-12-04 2023-12-01 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir S - Sale $95.00 -1,000 618 -62% -$95.0K
2023-11-16 2023-11-15 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir S - Sale $95.00 -1,000 1,618 -38% -$95.0K
2023-10-04 2023-10-02 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir S - Sale $103.26 -1,000 2,618 -28% -$103.3K
M 2023-09-05 2023-09-01 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir S - Sale $118.48 -2,000 3,618 -36% -$237.0K
M 2023-08-02 2023-08-01 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir S - Sale $123.46 -2,000 5,618 -26% -$246.9K
M 2023-07-05 2023-07-03 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir S - Sale $110.92 -2,000 7,618 -21% -$221.8K
2023-06-07 2023-06-07 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir S - Sale $105.00 -1,000 9,618 -9% -$105.0K
2023-06-02 2023-06-01 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir S - Sale $97.98 -1,000 10.6K -9% -$98.0K
2023-05-26 2023-05-25 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir S - Sale $95.00 -1,000 11.6K -8% -$95.0K
2022-05-11 2022-05-09 AEIS ADVANCED ENERGY INDUSTRIES INC FOSTER RONALD C Dir A - Grant $0.00 +2,655 12.6K +27% $0

Purchase Sale Sale after option exercise All abbreviations