InsiderTrades

Form 4 for AEIS ADVANCED ENERGY INDUSTRIES INC

Accepted 2026-02-20 00:00:00 ET · period of report 2026-02-18 · accession 0001193125-26-061762 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-02-20 2026-02-18 AEIS Donaghey John EVP, Gbl Sales F - Tax $314.12 -3,273 15.3K -18% -$1.03M
D 2026-02-20 2026-02-18 AEIS Donaghey John EVP, Gbl Sales M - OptEx $314.12 +8,590 18.6K +86% +$2.70M
D 2026-02-20 2026-02-18 AEIS Donaghey John EVP, Gbl Sales M - OptEx $0.00 -5,255 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-18 F D 3,273 $314.12 15,346 D — — (F2) Payment of tax liability by withholding securities incident to vesting of performance stock units. (F3) Represents 2,627 shares of unvested restricted stock units and 12,719 shares of common stock.
2 Common Common Stock 2026-02-18 M A 8,590 $314.12 18,619 D — — (F1) Represents the total number of shares vested pursuant to the performance unit award issued under the 2023 Long-Term Incentive Plan (the "2023 LTI Plan"), and reported voluntarily on 3/3/2023, based on achievement of performance metrics under the 2023 LTI Plan. The shares were approved for a 2/18/2026 release by the Board of Directors.
3 Derivative Performance Units 2026-02-18 M D 5,255 $0.00 0 D $0.00 · — to — 0 Common Stock (F4) These performance unit awards were issued under the 2023 LTI Plan at 100% of target and reported voluntarily on 3/3/2023. Following the end of the three-year performance period, the awards vested based on achievement of performance metrics under the 2023 LTI Plan.