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CIK 0001819438 · Non-accelerated filer<br>Smaller reporting company

ESS Tech, Inc.

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Ticker
GWHT
Exchange
OTC
Industry
Miscellaneous Electrical Machinery, Equipment & Supplies
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
981550150
Phone
(855) 423-9920
Business address
26440 SW PARKWAY AVE., BLDG. 83, WILSONVILLE, OR, 97070
Former names
ACON S2 Acquisition Corp.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$3,751
in 2 filings

Net −$3,751. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 26 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2023-05-16 NIGGLI MICHAEL R Director Purchase +10,000 $0.81 $8K 613,821
2023-05-16 Hossfeld Rich Director Purchase +10,000 $0.81 $8K 10,000
2023-05-15 Teamey Kyle Director Purchase +3,900 $0.84 $3K 35,886
2023-05-15 Teamey Kyle Director Purchase +100 $0.84 $84 35,986
2023-05-12 NIGGLI MICHAEL R Director Purchase +20,000 $1.13 $23K 603,821
2023-04-26 Dresselhuys Eric P. Chief Executive Officer Grant or award +622,771 1,966,851
2023-03-13 Rabb Anthony Chief Financial Officer Grant or award +76,452 692,468
2023-03-13 Evans Craig E President Grant or award +467,694 2,859,868
2023-03-13 Rabb Anthony Chief Financial Officer Grant or award +77,949 693,965
2023-03-07 Teamey Kyle Director Purchase +2,500 $1.61 $4K 31,986
2023-03-06 NIGGLI MICHAEL R Director Purchase +5,000 $1.65 $8K 583,821
2023-02-21 Dresselhuys Eric P. Chief Executive Officer Sale −23,440 $2.04 $48K 1,344,080
2023-02-21 Evans Craig E President Sale −5,536 $2.04 $11K 5,561,524
2023-02-21 Evans Craig E President Sale −4,915 2,392,174
2022-12-15 NIGGLI MICHAEL R Director Purchase +19,100 $2.56 $49K 578,821
2022-11-21 Dresselhuys Eric P. Chief Executive Officer Sale −14,339 $3.82 $55K 1,367,520
2022-11-21 Evans Craig E President Sale −50,000 $3.52 $176K 5,591,617
2022-11-21 Evans Craig E President Sale −6,350 $3.82 $24K 2,397,089
2022-11-21 Evans Craig E President Sale −8,217 $3.82 $31K 5,583,400
2022-11-18 Evans Craig E President Sale −50,000 $3.93 $197K 2,403,439

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