EdgarLookup

ESS Tech, Inc. — Insider Transactions

Form 4 filings by directors, officers, and 10%+ shareholders

SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.

Overview All Filings Annual Quarterly Insiders
Insider Title Type Shares Price Value Owns After Date
NIGGLI MICHAEL R Purchase 20,000 $1.13 $22,600 603,821 May 12, 2023
Dresselhuys Eric P. Chief Executive Officer Award / Grant 622,771 1,966,851 Apr 26, 2023
Rabb Anthony Chief Financial Officer Award / Grant 76,452 692,468 Mar 13, 2023
Evans Craig E President Award / Grant 467,694 2,859,868 Mar 13, 2023
Rabb Anthony Chief Financial Officer Award / Grant 77,949 693,965 Mar 13, 2023
Teamey Kyle Purchase 2,500 $1.61 $4,025 31,986 Mar 7, 2023
NIGGLI MICHAEL R Purchase 5,000 $1.65 $8,250 583,821 Mar 6, 2023
Dresselhuys Eric P. Chief Executive Officer Sale 23,440 $2.04 $47,818 1,344,080 Feb 21, 2023
Evans Craig E President Sale 5,536 $2.04 $11,293 5,561,524 Feb 21, 2023
NIGGLI MICHAEL R Purchase 19,100 $2.56 $48,896 578,821 Dec 15, 2022
Evans Craig E President Sale 50,000 $3.52 $176,000 5,591,617 Nov 21, 2022
Dresselhuys Eric P. Chief Executive Officer Sale 14,339 $3.82 $54,775 1,367,520 Nov 21, 2022
Moftakhar Amir Chief Financial Officer Sale 4,193 $3.48 $14,592 563,043 Oct 19, 2022
Song Julia Chief Technology Officer Sale 12,628 $3.72 $46,976 2,453,439 Oct 17, 2022
Dresselhuys Eric P. Chief Executive Officer Sale 19,398 $3.72 $72,161 1,401,257 Oct 17, 2022
Moftakhar Amir Chief Financial Officer Sale 16,720 $3.72 $62,198 567,236 Oct 17, 2022
Moftakhar Amir Chief Financial Officer Sale 63,205 $4.03 $254,716 583,956 Oct 17, 2022
WELLMAN ALEXI Award / Grant 29,486 42,558 Jun 1, 2022
NIGGLI MICHAEL R Award / Grant 29,486 559,721 Jun 1, 2022
Wilson Daryl C Award / Grant 29,486 75,850 Jun 1, 2022
Teamey Kyle Award / Grant 29,486 29,486 Jun 1, 2022
Garabedian Raffi Award / Grant 29,486 54,354 Jun 1, 2022
Gast Claudia Award / Grant 29,486 59,694 Jun 1, 2022
NIGGLI MICHAEL R Purchase 20,000 $5.01 $100,200 530,235 Mar 1, 2022
Gast Claudia Award / Grant 30,208 30,208 Feb 17, 2022
Dresselhuys Eric P. Chief Executive Officer Award / Grant 622,771 1,491,941 Feb 16, 2022
Song Julia Chief Technology Officer Award / Grant 268,358 5,641,617 Feb 8, 2022
Moftakhar Amir Chief Financial Officer Award / Grant 268,358 647,161 Feb 8, 2022
Bodner Jeff Chief Accounting Officer Award / Grant 32,934 54,900 Feb 8, 2022
Dresselhuys Eric P. Chief Executive Officer Sale 59,642 $6.05 $360,834 869,170 Jan 24, 2022
Evans Craig E President Sale 1,342 $6.05 $8,119 5,373,083 Jan 24, 2022
Dresselhuys Eric P. Chief Executive Officer Award / Grant 88,031 928,812 Jan 17, 2022
Song Julia Chief Technology Officer Award / Grant 2,934 5,374,425 Jan 17, 2022
Dresselhuys Eric P. Chief Executive Officer Tax Withholding 52,216 $11.50 $600,484 840,781 Jan 4, 2022
Evans Craig E President Tax Withholding 20,193 $11.50 $232,220 5,371,491 Jan 4, 2022
Moftakhar Amir Chief Financial Officer Tax Withholding 37,821 $11.50 $434,942 378,793 Jan 4, 2022
Bodner Jeff Chief Accounting Officer Tax Withholding 4,225 $11.50 $48,588 21,966 Jan 4, 2022
Dresselhuys Eric P. Chief Executive Officer Award / Grant 762,938 892,997 Dec 17, 2021
Bodner Jeff Chief Accounting Officer Award / Grant 15,000 26,191 Dec 17, 2021
WELLMAN ALEXI Award / Grant 13,072 13,072 Dec 17, 2021
Moftakhar Amir Chief Financial Officer Award / Grant 101,026 416,614 Nov 15, 2021
NIGGLI MICHAEL R Other 77,822 $10.00 $778,220 568,302 Nov 15, 2021
Bodner Jeff Chief Accounting Officer Award / Grant 11,191 11,191 Nov 15, 2021
Garabedian Raffi Award / Grant 24,868 24,868 Nov 15, 2021
Dresselhuys Eric P. Chief Executive Officer Award / Grant 130,059 130,059 Nov 15, 2021
Wilson Daryl C Award / Grant 46,364 46,364 Nov 15, 2021
Song Julia Chief Technology Officer Other 304,194 $10.00 $3,041,940 2,221,405 Nov 9, 2021
Moftakhar Amir Chief Financial Officer Other 43,216 $10.00 $432,160 315,588 Nov 9, 2021
NIGGLI MICHAEL R Other 11,670 $10.00 $116,700 85,225 Nov 9, 2021
Breakthrough Energy Ventures, LLC Other 20,096 18,558,721 Nov 9, 2021