Form 4 for AEIS ADVANCED ENERGY INDUSTRIES INC
Accepted 2026-02-20 00:00:00 ET · period of report 2026-02-18 · accession 0001193125-26-061749 · 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 | Kelley Stephen Douglas | Pres, CEO, Dir | M - OptEx | $314.12 | +53.7K | 147.7K | +57% | +$16.87M |
| D | 2026-02-20 | 2026-02-18 | AEIS | Kelley Stephen Douglas | Pres, CEO, Dir | F - Tax | $314.12 | -23.5K | 124.2K | -16% | -$7.38M |
| D | 2026-02-20 | 2026-02-18 | AEIS | Kelley Stephen Douglas | Pres, CEO, Dir | M - OptEx | $0.00 | -32.8K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-02-18 | M | A | 53,704 | $314.12 | 147,656 | 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. |
| 2 | Common | Common Stock | 2026-02-18 | F | D | 23,504 | $314.12 | 124,152 | D | — | — | (F2) Payment of tax liability by withholding securities incident to vesting of performance stock units. (F3) Represents 21,899 shares of unvested restricted stock units and 102,253 shares of common stock. |
| 3 | Derivative | Performance Units | 2026-02-18 | M | D | 32,849 | $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. |