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TD

Tina Donikowski

AEIS
DIRECTOR · ADVANCED ENERGY INDUSTRIES INC · CIK 0001700872
FILING MIX · LIFETIME50%/50%
BUYS
17
SELLS
17
TOTAL VALUE
$3.19M
COMPANIES
2
ACTIVE SINCE
Apr 2020
HOLDINGS NOW
930
AVG SELL PX
$139.66
TRADE KIND
SHOWING 34 / 34
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
11 backtested trades · 8 horizons · 5 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Tina Donikowski, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d11+54.55%-2.12%-1.29%-0.83%-0.60%—
14d11+81.82%-2.70%-1.32%-1.38%-1.85%—
30d11+54.55%+0.40%+0.21%+0.19%+0.01%—
60d11+9.09%+7.92%+3.15%+4.77%+7.26%—
90d11+63.64%+6.39%+4.22%+2.17%-8.69%—
180d11+27.27%+17.63%+9.70%+5.96%+8.23%—
1y11(2 pending)+22.22%+30.43%+18.69%+11.74%+13.28%—
2y11(3 pending)+12.50%+11.39%+27.53%-16.14%-17.05%—
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
AEIS · 587 shares · as of May 7, 2026
03,2506,5009,75013,000202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
2026
FLOW · 17 buys / 17 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
BLD
TOPBUILD CORP
SALE
3,780——343Jul 1, 2026Jul 1, 2026 ↗View →
BLD
TOPBUILD CORP
SALE
343——0Jul 1, 2026Jul 1, 2026 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
PURCHASEGRANT
Stock grant
587——587May 7, 2026May 8, 2026 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
PURCHASE
2,313——10,561May 2, 2026May 5, 2026 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
SALE
2,313——0May 2, 2026May 5, 2026 ↗View →
BLD
TOPBUILD CORP
PURCHASEGRANT
Stock grant
343$445.78$152.9K4,123Apr 27, 2026Apr 28, 2026 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
SALE10b5-1
10b5-1 plan
2,257$210.33$474.7K8,248Dec 4, 2025Dec 5, 2025 ↗View →
BLD
TOPBUILD CORP
SALEGRANT
Gift
465——3,780Sep 2, 2025Sep 3, 2025 ↗View →
BLD
TOPBUILD CORP
SALE
370$427.89$158.3K4,245Aug 27, 2025Aug 29, 2025 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
PURCHASE
2,093——10,505May 3, 2025May 6, 2025 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
SALE
2,093——0May 3, 2025May 6, 2025 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
PURCHASEGRANT
Stock grant
2,313——2,313May 2, 2025May 6, 2025 ↗View →
BLD
TOPBUILD CORP
PURCHASEGRANT
Stock grant
515$296.65$152.8K4,615Apr 28, 2025Apr 29, 2025 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
SALE
1,800$116.84$210.3K8,412Nov 26, 2024Nov 27, 2024 ↗View →
BLD
TOPBUILD CORP
SALE
640$436.11$279.1K4,100May 15, 2024May 16, 2024 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
PURCHASE
2,257——10,212May 5, 2024May 7, 2024 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
SALE
2,257——0May 5, 2024May 7, 2024 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
PURCHASEGRANT
Stock grant
2,093——2,093May 3, 2024May 7, 2024 ↗View →
BLD
TOPBUILD CORP
PURCHASEGRANT
Stock grant
340$414.14$140.8K4,740Apr 29, 2024Apr 30, 2024 ↗View →
BLD
TOPBUILD CORP
SALE
1,480$212.13$314.0K4,400May 8, 2023May 10, 2023 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
PURCHASEGRANT
Stock grant
2,257——2,257May 5, 2023May 8, 2023 ↗View →
BLD
TOPBUILD CORP
PURCHASEGRANT
Stock grant
640$222.07$142.1K5,880May 1, 2023May 3, 2023 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
SALE
1,813$94.27$170.9K7,955Aug 17, 2022Aug 19, 2022 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
PURCHASEGRANT
Stock grant
2,655——9,768May 9, 2022May 11, 2022 ↗View →
BLD
TOPBUILD CORP
PURCHASEGRANT
Stock grant
690$185.29$127.9K5,240May 2, 2022May 3, 2022 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
SALE
1,700$99.73$169.5K7,113May 26, 2021May 28, 2021 ↗View →
BLD
TOPBUILD CORP
PURCHASEGRANT
Stock grant
560$229.10$128.3K4,550May 3, 2021May 4, 2021 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
PURCHASEGRANT
Stock grant
1,813——8,813Apr 30, 2021May 4, 2021 ↗View →
BLD
TOPBUILD CORP
SALE
700$190.84$133.6K3,990Mar 5, 2021Mar 8, 2021 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
SALE
4,900$71.48$350.3K8,100Jun 8, 2020Jun 10, 2020 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
SALE
200$73.31$14.7K7,000Jun 8, 2020Jun 10, 2020 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
SALE
900$72.63$65.4K7,200Jun 8, 2020Jun 10, 2020 ↗View →
AEIS
ADVANCED ENERGY INDUSTRIES INC
PURCHASEGRANT
Stock grant
3,500——13,000Apr 30, 2020May 4, 2020 ↗View →
BLD
TOPBUILD CORP
PURCHASEGRANT
Stock grant
1,480——4,690Apr 27, 2020Apr 29, 2020 ↗View →
Other insiders · AEIS
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About this filer
CIK 0001700872
ROLE
Director
PRIMARY
AEIS
COMPANIES
2
ACTIVE SINCE
Apr 2020
MARKETPEEL · /INSIDER/0001700872DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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