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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.

Date Insider Transaction Shares Price Value Owned after
2021-11-15 Wilson Daryl C Director Grant or award +46,364 46,364
2021-11-09 Evans Craig E President Grant or award +58,984 5,391,684
2021-11-09 Evans Craig E President Grant or award +56,626 2,278,031
2021-11-09 NIGGLI MICHAEL R Director Other acquisition +77,822 $10.00 $778K 568,302
2021-11-09 Evans Craig E President Other acquisition +730,247 $10.00 $7.3M 5,332,700
2021-11-09 Breakthrough Energy Ventures, LLC 10% owner Other acquisition +2,500,751 18,558,721
2021-11-09 Breakthrough Energy Ventures, LLC 10% owner Other acquisition +20,096 18,558,721
2021-11-09 SOFTBANK GROUP CORP Director Other acquisition +4,204,936 35,919,908
2021-11-09 SOFTBANK GROUP CORP Director Other acquisition +33,791 35,953,699
2021-11-09 NIGGLI MICHAEL R Director Other acquisition +65,752 $10.00 $658K 480,166
2021-11-09 NIGGLI MICHAEL R Director Other acquisition +31,140 $10.00 $311K 227,400
2021-11-09 NIGGLI MICHAEL R Director Other acquisition +11,670 $10.00 $117K 85,225
2021-11-09 NIGGLI MICHAEL R Director Other acquisition +11,670 $10.00 $117K 85,225
2021-11-09 NIGGLI MICHAEL R Director Other acquisition +11,670 $10.00 $117K 85,225
2021-11-09 NIGGLI MICHAEL R Director Other acquisition +11,670 $10.00 $117K 85,225
2021-11-09 Moftakhar Amir Chief Financial Officer Other acquisition +43,216 $10.00 $432K 315,588
2021-11-09 Evans Craig E President Other acquisition +11,670 $10.00 $117K 4,614,123
2021-11-09 Evans Craig E President Other acquisition +304,194 $10.00 $3.0M 2,221,405
2021-10-08 Goddard Janie Director Conversion +50,000 50,000
2021-10-08 Goddard Janie Director Conversion · Class B Ordinary Shares −50,000 0

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