Tina Donikowski is Director at ADVANCED ENERGY INDUSTRIES INC (AEIS). They have made 8 open-market trades across 2 companies since 2020, most recently 2026-05-02.
CIK 0001700872
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 8 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| AEIS | SELL · 10b5-1 | 2025-12-04 | 2025-12-05 | $210.33 | $949K | -7.0% | +3.5% | +41.6% |
| BLD | SELL | 2025-08-27 | 2025-08-29 | $427.89 | $317K | +4.0% | -4.2% | +10.4% |
| AEIS | SELL | 2024-11-26 | 2024-11-27 | $116.84 | $210K | +1.1% | -0.1% | +5.4% |
| BLD | SELL | 2024-05-15 | 2024-05-16 | $436.11 | $558K | -1.7% | +1.9% | -8.9% |
| BLD | SELL | 2023-05-08 | 2023-05-10 | $212.13 | $628K | -2.3% | +6.6% | +39.2% |
| AEIS | SELL | 2022-08-17 | 2022-08-19 | $94.27 | $342K | -4.0% | -9.4% | -5.9% |
| AEIS | SELL | 2021-05-26 | 2021-05-28 | $99.73 | $170K | -0.1% | +10.3% | -14.8% |
| BLD | SELL | 2021-03-05 | 2021-03-08 | $190.84 | $134K | -0.4% | +5.4% | -1.1% |
| AEIS | SELL | 2020-06-08 | 2020-06-10 | $71.83 | $496K | +1.8% | +5.0% | -9.7% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.