Form 4 for AEIS ADVANCED ENERGY INDUSTRIES INC
Accepted 2026-02-20 00:00:00 ET · period of report 2025-02-20 · accession 0001193125-26-061768 · 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 | Vonne Elizabeth Karpinski | EVP, GC | M - OptEx | $314.12 | +8,591 | 17.6K | +95% | +$2.70M |
| D | 2026-02-20 | 2026-02-18 | AEIS | Vonne Elizabeth Karpinski | EVP, GC | F - Tax | $314.12 | -2,839 | 14.8K | -16% | -$891.8K |
| D | 2026-02-20 | 2026-02-18 | AEIS | Vonne Elizabeth Karpinski | EVP, GC | D - Sale to Iss | — | -2,148 | 12.6K | -15% | — |
| D | 2026-02-20 | 2026-02-18 | AEIS | Vonne Elizabeth Karpinski | EVP, GC | M - OptEx | $0.00 | -5,255 | 0 | -100% | $0 |
| D | 2026-02-20 | 2026-02-18 | AEIS | Vonne Elizabeth Karpinski | EVP, GC | A - Grant | $0.00 | +2,148 | 3,024 | +245% | $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 | 8,591 | $314.12 | 17,634 | 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 | 2,839 | $314.12 | 14,795 | D | — | — | (F2) Payment of tax liability by withholding securities incident to vesting of performance stock units. |
| 3 | Common | Common Stock | 2026-02-18 | D | D | 2,148 | — | 12,647 | D | — | — | (F3) In connection with the February 18, 2026 vesting of PSUs previously granted on March 1, 2023, the reporting person's receipt of 2,148 shares of common stock was deferred pursuant to the reporting person's election under the Company's deferred compensation plan (the "Plan"), resulting in the reporting person's receipt of 2,148 shares of phantom stock. (F4) Represents 3,065 shares of unvested restricted stock units and 9,582 shares of common stock. |
| 4 | Derivative | Performance Units | 2026-02-18 | M | D | 5,255 | $0.00 | 0 | D | $0.00 · — to — | 0 Common Stock | (F5) 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. |
| 5 | Derivative | Phantom Stock | 2026-02-18 | A | A | 2,148 | $0.00 | 3,024 | D | — · — to — | 2,148 Common Stock | (F6) Each share of phantom stock represents a right to receive one share of common stock or the cash value thereof. Shares of phantom stock become payable in accordance with the reporting person's distribution elections made pursuant to the Plan or upon the reporting person's termination of service, death, or disability. Subject to timing restrictions, the reporting person may transfer some or all of the shares of phantom stock into alternative investments under the terms on the Plan. |