Form 4 for AEIS ADVANCED ENERGY INDUSTRIES INC
Accepted 2026-03-03 00:00:00 ET · period of report 2026-03-01 · accession 0001443674-26-000002 · 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 | 2026-03-03 | 2026-03-01 | AEIS | Kelley Stephen Douglas | Pres, CEO, Dir | F - Tax | $335.57 | -13.4K | 130.4K | -9% | -$4.48M |
| DM | 2026-03-03 | 2026-03-01 | AEIS | Kelley Stephen Douglas | Pres, CEO, Dir | M - OptEx | — | +19.6K | 134.6K | +17% | — |
| DM | 2026-03-03 | 2026-03-01 | AEIS | Kelley Stephen Douglas | Pres, CEO, Dir | A - Grant | $0.00 | +29.9K | 11.6K | New | $0 |
| DM | 2026-03-03 | 2026-03-01 | AEIS | Kelley Stephen Douglas | Pres, CEO, Dir | M - OptEx | $0.00 | -19.6K | 10.4K | -65% | $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 | 2026-03-01 | F | D | 13,355 | $335.57 | 130,376 | D | — | — | (F3) Represents 10,950 shares of unvested restricted stock units and 119,426 shares of common stock. |
| 2 | Common | Common Stock | 2026-03-01 | M | A | 9,130 | — | 143,731 | D | — | — | (F2) On March 1, 2025, the reporting person was granted 27,388 restricted stock units ("RSUs") vesting in three equal installments beginning on the first anniversary of the grant date, of which the first installment vested on March 1, 2026. RSUs convert into common stock on a one-for-one basis. |
| 3 | Common | Common Stock | 2026-03-01 | M | A | 10,449 | — | 134,601 | D | — | — | (F1) On March 1, 2024, the reporting person was granted 31,348 restricted stock units ("RSUs") vesting in three equal installments beginning on the first anniversary of the grant date, of which the second installment vested on March 1, 2026. RSUs convert into common stock on a one-for-one basis. |
| 4 | Derivative | Performance Units | 2026-03-01 | A | A | 18,260 | $0.00 | 18,260 | D | $0.00 · — to — | 18,260 Common Stock | (F5) These performance share awards were issued pursuant to the LTI Plan at 100% of target, have a three-year performance period, and will vest in all or in part upon achievement of performance metrics. Any awards that have not been vested and released at the end of the three-year performance period will be canceled. |
| 5 | Derivative | Restricted Stock Units | 2026-03-01 | M | D | 9,130 | $0.00 | 18,258 | D | — · — to — | 9,130 Common Stock | (F2) On March 1, 2025, the reporting person was granted 27,388 restricted stock units ("RSUs") vesting in three equal installments beginning on the first anniversary of the grant date, of which the first installment vested on March 1, 2026. RSUs convert into common stock on a one-for-one basis. |
| 6 | Derivative | Restricted Stock Units | 2026-03-01 | A | A | 11,620 | $0.00 | 11,620 | D | $0.00 · — to — | 11,620 Common Stock | (F4) These employee RSUs were issued pursuant to the Company's Amended and Restated 2023 Omnibus Incentive Plan ("LTI Plan") and will vest in three equal installments beginning on the first anniversary of the grant date. |
| 7 | Derivative | Restricted Stock Units | 2026-03-01 | M | D | 10,449 | $0.00 | 10,449 | D | — · — to — | 10,449 Common Stock | (F1) On March 1, 2024, the reporting person was granted 31,348 restricted stock units ("RSUs") vesting in three equal installments beginning on the first anniversary of the grant date, of which the second installment vested on March 1, 2026. RSUs convert into common stock on a one-for-one basis. |