GWH Insider Trading

ESS Tech, Inc. · full profile →Last filing Jun 4, 2026
Net Buying · 180d
Open-Market Buys (180d)
$26K
1 insiders
Open-Market Sells (180d)
$13K
2 insiders
Net Insider Flow
$13K
open market, 180d
Reporting Insiders
3
7 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 4, 2026Buckley Drew PCEO, DirectorBuy(P)25K$1.03$26K
May 29, 2026Garabedian RaffiDirectorGrant(A)14K$0
May 29, 2026Quarls HarryDirectorGrant(A)14K$0
May 29, 2026Wellman AlexiDirectorGrant(A)14K$0
May 29, 2026Hossfeld RichDirectorGrant(A)14K$0
May 29, 2026Nijhawan SandeepDirectorGrant(A)14K$0
May 22, 2026Goodman Kelly F.SEE REMARKSSell(S)3K$0.93$3K
May 22, 2026Suhadolnik Kate EileenChief Financial OfficerSell(S)2K$0.93$2K
May 21, 2026Goodman Kelly F.SEE REMARKSSell(S)2K$0.92$2K
May 21, 2026Suhadolnik Kate EileenChief Financial OfficerSell(S)2K$0.92$2K
Feb 20, 2026Goodman Kelly F.SEE REMARKSSell(S)2K$1.54$3K
Feb 20, 2026Suhadolnik Kate EileenChief Financial OfficerSell(S)741$1.54$1K
Feb 13, 2026Goodman Kelly F.SEE REMARKSGrant(A)138K$0
Feb 13, 2026Goodman Kelly F.SEE REMARKSGrant(A)138K$0
Feb 13, 2026Suhadolnik Kate EileenChief Financial OfficerGrant(A)138K$0
Feb 13, 2026Suhadolnik Kate EileenChief Financial OfficerGrant(A)138K$0
Jan 28, 2026Buckley Drew PCEO, DirectorGrant(A)550K$0
Nov 20, 2025Goodman Kelly F.Interim CEOTax withholding(F)5K$2.40$11K
Nov 20, 2025Suhadolnik Kate EileenInterim CFOTax withholding(F)1K$2.40$3K
Oct 13, 2025Niggli Michael RDirectorGrant(A)14K$0
Oct 13, 2025Nijhawan SandeepDirectorGrant(A)14K$0
Oct 13, 2025Garabedian RaffiDirectorGrant(A)14K$0
Oct 13, 2025Quarls HarryDirectorGrant(A)14K$0
Oct 13, 2025Wellman AlexiDirectorGrant(A)14K$0
Oct 13, 2025Teamey KyleDirectorGrant(A)14K$0
Oct 13, 2025Hossfeld RichDirectorGrant(A)14K$0
Aug 20, 2025Suhadolnik Kate EileenInterim CFOTax withholding(F)1K$1.61$2K
Aug 20, 2025Goodman Kelly F.Interim CEOTax withholding(F)4K$1.61$7K
Aug 18, 2025Trivedi Jigish DhirajlalCOOGrant(A)275K$0
May 20, 2025Rabb AnthonyChief Financial OfficerTax withholding(F)3K$1.96$5K
May 20, 2025Goodman Kelly F.Interim CEOTax withholding(F)2K$1.96$4K
Apr 13, 2025Goodman Kelly F.Interim CEOGrant(A)37K$0
Apr 13, 2025Rabb AnthonyChief Financial OfficerGrant(A)43K$0
Feb 20, 2025Goodman Kelly F.Interim CEOTax withholding(F)1K$4.81$7K
Feb 20, 2025Rabb AnthonyChief Financial OfficerTax withholding(F)2K$4.81$10K
Feb 10, 2025Goodman Kelly F.Interim CEOGrant(A)10K$0
Nov 20, 2024Rabb AnthonyChief Financial OfficerTax withholding(F)2K$5.21$10K
Nov 18, 2024Dresselhuys Eric P.Chief Executive Officer, DirectorBuy(P)1K$5.23$5K
Sep 11, 2024Nijhawan SandeepDirectorSell(S)7K$5.72$40K
Aug 30, 2024Teamey KyleDirectorBuy(P)142$6.73$956
Aug 29, 2024Niggli Michael RDirectorOption exercise(M)12K$6.88$82K
Aug 29, 2024Niggli Michael RDirectorOption exercise(M)12K$0
Aug 20, 2024Rabb AnthonyChief Financial OfficerTax withholding(F)2K$8.19$15K
May 20, 2024Rabb AnthonyChief Financial OfficerTax withholding(F)2K$12.15$23K
May 17, 2024Wellman AlexiDirectorGrant(A)203K$0
May 17, 2024Teamey KyleDirectorGrant(A)203K$0
May 17, 2024Quarls HarryDirectorGrant(A)203K$0
May 17, 2024Nijhawan SandeepDirectorGrant(A)203K$0
May 17, 2024Niggli Michael RDirectorGrant(A)203K$0
May 17, 2024Garabedian RaffiDirectorGrant(A)203K$0
May 17, 2024Hossfeld RichDirectorGrant(A)203K$0
May 15, 2024Hossfeld RichDirectorDisposed to issuer(D)135K$0
May 14, 2024Teamey KyleDirectorBuy(P)1K$0.79$988
May 10, 2024Quarls HarryDirectorBuy(P)57K$0.79$45K
May 9, 2024Quarls HarryDirectorBuy(P)43K$0.84$36K
Mar 15, 2024Hossfeld RichDirectorBuy(P)200$0.73$146
Mar 15, 2024Hossfeld RichDirectorBuy(P)2K$0.73$2K
Mar 7, 2024Dresselhuys Eric P.Chief Executive Officer, DirectorGrant(A)623K$0
Feb 20, 2024Rabb AnthonyChief Financial OfficerTax withholding(F)1K$13.67$14K
Feb 15, 2024Rabb AnthonyChief Financial OfficerGrant(A)550K$0
Nov 20, 2023Rabb AnthonyChief Financial OfficerTax withholding(F)4K$17.55$75K
Nov 16, 2023Quarls HarryDirectorBuy(P)5K$1.25$7K
Nov 15, 2023Quarls HarryDirectorBuy(P)67K$1.35$91K
Nov 14, 2023Quarls HarryDirectorBuy(P)81K$1.27$102K
Nov 13, 2023Teamey KyleDirectorBuy(P)1K$1.11$1K
Nov 13, 2023Quarls HarryDirectorBuy(P)47K$1.10$51K
Sep 5, 2023Dresselhuys Eric P.Chief Executive Officer, DirectorGrant(A)129K$0
Sep 5, 2023Dresselhuys Eric P.Chief Executive Officer, DirectorGrant(A)193K$0
Aug 28, 2023Quarls HarryDirectorGrant(A)123K$0
Aug 28, 2023Quarls HarryDirectorGrant(A)185K$0
Aug 20, 2023Rabb AnthonyChief Financial OfficerTax withholding(F)106$18.15$2K
May 20, 2023Rabb AnthonyChief Financial OfficerTax withholding(F)100$18.00$2K
May 19, 2023Hossfeld RichDirectorGrant(A)135K$0
May 19, 2023Wellman AlexiDirectorGrant(A)135K$0
May 19, 2023Teamey KyleDirectorGrant(A)135K$0
May 19, 2023Niggli Michael RDirectorGrant(A)135K$0
May 19, 2023Garabedian RaffiDirectorGrant(A)135K$0
May 19, 2023Nijhawan SandeepDirectorGrant(A)135K$0
May 16, 2023Hossfeld RichDirectorBuy(P)10K$0.81$8K
May 16, 2023Niggli Michael RDirectorBuy(P)10K$0.81$8K
May 15, 2023Teamey KyleDirectorBuy(P)4K$0.84$3K
May 15, 2023Teamey KyleDirectorBuy(P)100$0.84$84
May 12, 2023Niggli Michael RDirectorBuy(P)20K$1.13$23K
Apr 26, 2023Dresselhuys Eric P.Chief Executive Officer, DirectorGrant(A)623K$0
Mar 13, 2023Rabb AnthonyChief Financial OfficerGrant(A)76K$0
Mar 13, 2023Evans Craig EPresident, DirectorGrant(A)468K$0
Mar 7, 2023Teamey KyleDirectorBuy(P)3K$1.61$4K
Mar 6, 2023Niggli Michael RDirectorBuy(P)5K$1.65$8K
Feb 21, 2023Evans Craig EPresident, DirectorSell(S)5K$0
Feb 21, 2023Evans Craig EPresident, DirectorSell(S)6K$2.04$11K
Feb 21, 2023Dresselhuys Eric P.Chief Executive Officer, DirectorSell(S)23K$2.04$48K
Dec 15, 2022Niggli Michael RDirectorBuy(P)19K$2.56$49K
Nov 21, 2022Evans Craig EPresident, DirectorSell(S)8K$3.82$31K
Nov 21, 2022Evans Craig EPresident, DirectorSell(S)6K$3.82$24K
Nov 21, 2022Evans Craig EPresident, DirectorSell(S)50K$3.52$176K
Nov 21, 2022Dresselhuys Eric P.Chief Executive Officer, DirectorSell(S)14K$3.82$55K
Nov 18, 2022Evans Craig EPresident, DirectorSell(S)50K$3.93$197K
Oct 19, 2022Moftakhar AmirChief Financial OfficerSell(S)4K$3.48$15K
Oct 19, 2022Moftakhar AmirChief Financial OfficerSell(S)4K$3.48$15K
Oct 17, 2022Moftakhar AmirChief Financial OfficerSell(S)63K$4.03$255K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).