MarketPeel
Insider Trading Intelligence
ED

Eric P. Dresselhuys

GWH
CHIEF EXECUTIVE OFFICER · ESS TECH, INC. · CIK 0001571531
FILING MIX · LIFETIME53%/47%
BUYS
9
SELLS
8
TOTAL VALUE
$1.48M
COMPANIES
1
ACTIVE SINCE
Nov 2021
HOLDINGS NOW
180,580
AVG SELL PX
$5.67
TRADE KIND
SHOWING 17 / 17
Trades · vs SPY
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Performance · forward returns vs SPY
7 backtested trades · 8 horizons · 1 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Eric P. Dresselhuys, 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
7d7+100.00%-3.31%+1.91%-5.22%-7.09%
14d7+57.14%+2.90%+3.03%-0.14%+9.66%
30d7+42.86%-15.23%+2.32%-17.55%-4.00%
60d7+100.00%-22.96%+3.51%-26.47%-34.58%
90d7+85.71%-28.23%+5.45%-33.69%-42.02%
180d7+85.71%-58.44%+7.18%-65.62%-75.73%
1y7+85.71%-55.92%+15.83%-71.75%-72.64%
2y7(1 pending)+100.00%-85.45%+52.57%-138.02%-146.44%
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
GWH · 180,580 shares · as of Nov 18, 2024
0679,5601,359,1202,038,6792,718,239202220232024SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
FLOW · 9 buys / 8 sellsCOVERAGE · 13 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
GWH
ESS TECH, INC.
PURCHASE
Chief Executive Officer
1,000$5.23$5.2K180,580Nov 18, 2024Nov 18, 2024View →
GWH
ESS TECH, INC.
PURCHASEGRANT
Stock grant
622,7712,718,239Mar 7, 2024May 8, 2024View →
GWH
ESS TECH, INC.
PURCHASEGRANT
Stock grant
128,6172,095,468Sep 5, 2023Sep 6, 2023View →
GWH
ESS TECH, INC.
PURCHASEGRANT
Stock grant
192,926192,926Sep 5, 2023Sep 6, 2023View →
GWH
ESS TECH, INC.
PURCHASEGRANT
Stock grant
622,7711,966,851Apr 26, 2023Apr 26, 2023View →
GWH
ESS TECH, INC.
SALE
Chief Executive Officer
23,440$2.04$47.8K1,344,080Feb 21, 2023Feb 23, 2023View →
GWH
ESS TECH, INC.
SALE
Chief Executive Officer
14,339$3.82$54.8K1,367,520Nov 21, 2022Nov 22, 2022View →
GWH
ESS TECH, INC.
SALE
Chief Executive Officer
57,027$3.72$212.1K1,434,914Oct 17, 2022Oct 19, 2022View →
GWH
ESS TECH, INC.
SALE
Chief Executive Officer
14,259$3.72$53.0K1,420,655Oct 17, 2022Oct 19, 2022View →
GWH
ESS TECH, INC.
SALE
Chief Executive Officer
19,398$3.72$72.2K1,401,257Oct 17, 2022Oct 19, 2022View →
GWH
ESS TECH, INC.
SALE
Chief Executive Officer
19,398$3.72$72.2K1,381,859Oct 17, 2022Oct 19, 2022View →
GWH
ESS TECH, INC.
PURCHASEGRANT
Stock grant
622,7711,491,941Feb 16, 2022Feb 18, 2022View →
GWH
ESS TECH, INC.
SALE
Chief Executive Officer
59,642$6.05$361.0K869,170Jan 24, 2022Jan 25, 2022View →
GWH
ESS TECH, INC.
PURCHASEGRANT
Stock grant
88,031928,812Jan 17, 2022Jan 19, 2022View →
GWH
ESS TECH, INC.
SALE
Chief Executive Officer
52,216$11.50$600.5K840,781Jan 4, 2022Jan 6, 2022View →
GWH
ESS TECH, INC.
PURCHASEGRANT
Stock grant
762,938892,997Dec 17, 2021Dec 21, 2021View →
GWH
ESS TECH, INC.
PURCHASEGRANT
Stock grant
130,059130,059Nov 15, 2021Nov 17, 2021View →
Other insiders · GWH
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About this filer
CIK 0001571531
ROLE
Chief Executive Officer
PRIMARY
GWH
COMPANIES
1
ACTIVE SINCE
Nov 2021
MARKETPEEL · /INSIDER/0001571531DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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