Form 4 for AEIS ADVANCED ENERGY INDUSTRIES INC
Accepted 2026-03-03 00:00:00 ET · period of report 2026-03-01 · accession 0001421764-26-000002 · 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 | Oldham Paul R | EVP, CFO | D - Sale to Iss | — | -3,153 | 25.4K | -11% | — |
| D | 2026-03-03 | 2026-03-01 | AEIS | Oldham Paul R | EVP, CFO | F - Tax | $335.57 | -2,902 | 28.5K | -9% | -$973.8K |
| DM | 2026-03-03 | 2026-03-01 | AEIS | Oldham Paul R | EVP, CFO | M - OptEx | — | +6,636 | 28.1K | +31% | — |
| DM | 2026-03-03 | 2026-03-01 | AEIS | Oldham Paul R | EVP, CFO | A - Grant | $0.00 | +12.1K | 18.6K | +186% | $0 |
| DM | 2026-03-03 | 2026-03-01 | AEIS | Oldham Paul R | EVP, CFO | M - OptEx | $0.00 | -6,636 | 3,265 | -67% | $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 | D | D | 3,153 | — | 25,373 | D | — | — | (F4) In connection with the March 1, 2026 vesting of RSUs previously granted on March 1, 2023 and reported in Table 1, the reporting person's receipt of 3,153 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 3,153 shares of phantom stock. |
| 2 | Common | Common Stock | 2026-03-01 | F | D | 2,902 | $335.57 | 28,526 | D | — | — | (F3) Payment of tax liability by withholding securities incident to vesting of RSUs. |
| 3 | Common | Common Stock | 2026-03-01 | M | A | 3,371 | — | 31,428 | D | — | — | (F2) On March 1, 2025, the reporting person was granted 10,112 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. |
| 4 | Common | Common Stock | 2026-03-01 | M | A | 3,265 | — | 28,057 | D | — | — | (F1) On March 1, 2024, the reporting person was granted 9,796 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. |
| 5 | Derivative | Restricted Stock Units | 2026-03-01 | A | A | 4,482 | $0.00 | 4,482 | D | $0.00 · — to — | 4,482 Common Stock | (F5) 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. |
| 6 | Derivative | Performance Units | 2026-03-01 | A | A | 4,481 | $0.00 | 4,481 | D | $0.00 · — to — | 4,481 Common Stock | (F6) 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. |
| 7 | Derivative | Phantom Stock | 2026-03-01 | A | A | 3,153 | $0.00 | 18,626.02 | D | — · — to — | 3,153 Common Stock | (F7) 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 certain timing restrictions, the reporting person may transfer some or all of the shares of phantom stock into alternative investments under the terms of the Plan. |
| 8 | Derivative | Restricted Stock Units | 2026-03-01 | M | D | 3,371 | $0.00 | 6,741 | D | — · — to — | 3,371 Common Stock | (F2) On March 1, 2025, the reporting person was granted 10,112 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. |
| 9 | Derivative | Restricted Stock Units | 2026-03-01 | M | D | 3,265 | $0.00 | 3,265 | D | — · — to — | 3,265 Common Stock | (F1) On March 1, 2024, the reporting person was granted 9,796 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. |