Understand Stock

$GWH

$0.77 +$0.02 (2.66%)

Deep Research with AI Research

Overview

$GWH Overview Financials SEC Filings Executives News

Specialized Tools

Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

GROUP CORP SOFTBANK

35,919,908 shares

Net: 0 B/S: -

Energy Ventures, LLC Breakthrough

18,558,721 shares

Net: 0 B/S: -

S2 Management, LLC ACON

6,100,000 shares

Net: 0 B/S: -

S2 Sponsor, L.L.C. ACON

4,083,334 shares

Net: 0 B/S: -

Craig E Evans

2,859,868 shares

Net: 0 B/S: -

Julia Song

2,453,439 shares

Net: 0 B/S: -

Amir Moftakhar

563,043 shares

Net: 0 B/S: -

Jigish Dhirajlal Trivedi

275,000 shares

Net: +275,000 B/S: ∞

Kelly F. Goodman

210,620 shares

Net: +121,159 B/S: 18.33

Eric P. Dresselhuys

180,580 shares

Net: 0 B/S: -

Kate Eileen Suhadolnik

160,757 shares

Net: +130,571 B/S: 31.26

Anthony Rabb

109,392 shares

Net: 0 B/S: -

MICHAEL R NIGGLI

90,825 shares

Net: +13,513 B/S: ∞

Daryl C Wilson

75,850 shares

Net: 0 B/S: -

Harry Quarls

68,769 shares

Net: +27,026 B/S: ∞

Claudia Gast

59,694 shares

Net: 0 B/S: -

Jeff Bodner

54,900 shares

Net: 0 B/S: -

Raffi Garabedian

53,185 shares

Net: +27,026 B/S: ∞

ALEXI WELLMAN

52,399 shares

Net: +27,026 B/S: ∞

Janie Goddard

50,000 shares

Net: 0 B/S: -

Sarah Kirshbaum Levy

50,000 shares

Net: 0 B/S: -

Ryan D Shadrick-Wilson

50,000 shares

Net: 0 B/S: -

Sandeep Nijhawan

42,563 shares

Net: +27,026 B/S: ∞

Rich Hossfeld

41,372 shares

Net: +27,026 B/S: ∞

Kyle Teamey

38,740 shares

Net: +13,513 B/S: ∞

Drew P Buckley

25,000 shares

Net: +575,000 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
GROUP CORP SOFTBANK	35,919,908	0	-
Energy Ventures, LLC Breakthrough	18,558,721	0	-
S2 Management, LLC ACON	6,100,000	0	-
S2 Sponsor, L.L.C. ACON	4,083,334	0	-
Craig E Evans	2,859,868	0	-
Julia Song	2,453,439	0	-
Amir Moftakhar	563,043	0	-
Jigish Dhirajlal Trivedi	275,000	+275,000	∞
Kelly F. Goodman	210,620	+121,159	18.33
Eric P. Dresselhuys	180,580	0	-
Kate Eileen Suhadolnik	160,757	+130,571	31.26
Anthony Rabb	109,392	0	-
MICHAEL R NIGGLI	90,825	+13,513	∞
Daryl C Wilson	75,850	0	-
Harry Quarls	68,769	+27,026	∞
Claudia Gast	59,694	0	-
Jeff Bodner	54,900	0	-
Raffi Garabedian	53,185	+27,026	∞
ALEXI WELLMAN	52,399	+27,026	∞
Janie Goddard	50,000	0	-
Sarah Kirshbaum Levy	50,000	0	-
Ryan D Shadrick-Wilson	50,000	0	-
Sandeep Nijhawan	42,563	+27,026	∞
Rich Hossfeld	41,372	+27,026	∞
Kyle Teamey	38,740	+13,513	∞
Drew P Buckley	25,000	+575,000	∞

Individual Transactions

June 04, 2026

Drew P Buckley

Open Market Purchase

Change: +25,000

Price: $1.03

Shares: 25,000

Value: +$25,660

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Drew P Buckley	Jun 08	Open Market Purchase (P) Market Purchase	25,000	+25,000	$1.03	+$25,660

May 29, 2026

Sandeep Nijhawan

Grant/Award Acquisition

Change: +13,513

Price: $0.00

Shares: 42,563

Value: +$0

Raffi Garabedian

Grant/Award Acquisition

Change: +13,513

Price: $0.00

Shares: 53,185

Value: +$0

Harry Quarls

Grant/Award Acquisition

Change: +13,513

Price: $0.00

Shares: 68,769

Value: +$0

ALEXI WELLMAN

Grant/Award Acquisition

Change: +13,513

Price: $0.00

Shares: 52,399

Value: +$0

Rich Hossfeld

Grant/Award Acquisition

Change: +13,513

Price: $0.00

Shares: 41,372

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Sandeep Nijhawan	Jun 02	Grant/Award Acquisition (A) Compensation/Award	42,563	+13,513	$0.00	+$0
Raffi Garabedian	Jun 02	Grant/Award Acquisition (A) Compensation/Award	53,185	+13,513	$0.00	+$0
Harry Quarls	Jun 02	Grant/Award Acquisition (A) Compensation/Award	68,769	+13,513	$0.00	+$0
ALEXI WELLMAN	Jun 02	Grant/Award Acquisition (A) Compensation/Award	52,399	+13,513	$0.00	+$0
Rich Hossfeld	Jun 02	Grant/Award Acquisition (A) Compensation/Award	41,372	+13,513	$0.00	+$0

May 22, 2026

Kate Eileen Suhadolnik

Open Market Sale

Change: -1,922

Price: $0.93

Shares: 160,757

Value: -$1,796

Kelly F. Goodman

Open Market Sale

Change: -2,751

Price: $0.93

Shares: 210,620

Value: -$2,571

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Kate Eileen Suhadolnik	May 26	Open Market Sale (S) Market Sale	160,757	-1,922	$0.93	-$1,796
Kelly F. Goodman	May 26	Open Market Sale (S) Market Sale	210,620	-2,751	$0.93	-$2,571

May 21, 2026

Kelly F. Goodman

Open Market Sale

Change: -2,482

Price: $0.92

Shares: 213,371

Value: -$2,278

Kate Eileen Suhadolnik

Open Market Sale

Change: -1,735

Price: $0.92

Shares: 162,679

Value: -$1,592

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Kelly F. Goodman	May 26	Open Market Sale (S) Market Sale	213,371	-2,482	$0.92	-$2,278
Kate Eileen Suhadolnik	May 26	Open Market Sale (S) Market Sale	162,679	-1,735	$0.92	-$1,592

February 20, 2026

Kate Eileen Suhadolnik

Open Market Sale

Change: -741

Price: $1.54

Shares: 164,414

Value: -$1,141

Kelly F. Goodman

Open Market Sale

Change: -2,269

Price: $1.54

Shares: 215,853

Value: -$3,494

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Kate Eileen Suhadolnik	Feb 26	Open Market Sale (S) Market Sale	164,414	-741	$1.54	-$1,141
Kelly F. Goodman	Feb 26	Open Market Sale (S) Market Sale	215,853	-2,269	$1.54	-$3,494

February 13, 2026

Kate Eileen Suhadolnik

Grant/Award Acquisition

Change: +137,500

Price: $0.00

Shares: 165,155

Value: +$0

Kelly F. Goodman

Grant/Award Acquisition

Change: +137,500

Price: $0.00

Shares: 218,122

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Kate Eileen Suhadolnik	Feb 26	Grant/Award Acquisition (A) Compensation/Award	165,155	+137,500	$0.00	+$0
Kelly F. Goodman	Feb 26	Grant/Award Acquisition (A) Compensation/Award	218,122	+137,500	$0.00	+$0

January 28, 2026

Drew P Buckley

Grant/Award Acquisition

Change: +550,000

Price: $0.00

Shares: 550,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Drew P Buckley	Jan 29	Grant/Award Acquisition (A) Compensation/Award	550,000	+550,000	$0.00	+$0

November 20, 2025

Kate Eileen Suhadolnik

Tax Payment

Change: -1,299

Price: $2.40

Shares: 27,655

Value: -$3,117

Kelly F. Goodman

Tax Payment

Change: -4,513

Price: $2.40

Shares: 80,622

Value: -$10,831

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Kate Eileen Suhadolnik	Nov 21	Tax Payment (F) Tax Payment	27,655	-1,299	$2.40	-$3,117
Kelly F. Goodman	Nov 21	Tax Payment (F) Tax Payment	80,622	-4,513	$2.40	-$10,831

October 13, 2025

MICHAEL R NIGGLI

Grant/Award Acquisition

Change: +13,513

Price: $0.00

Shares: 90,825

Value: +$0

Sandeep Nijhawan

Grant/Award Acquisition

Change: +13,513

Price: $0.00

Shares: 29,050

Value: +$0

Raffi Garabedian

Grant/Award Acquisition

Change: +13,513

Price: $0.00

Shares: 39,672

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
MICHAEL R NIGGLI	Oct 15	Grant/Award Acquisition (A) Compensation/Award	90,825	+13,513	$0.00	+$0
Sandeep Nijhawan	Oct 15	Grant/Award Acquisition (A) Compensation/Award	29,050	+13,513	$0.00	+$0
Raffi Garabedian	Oct 15	Grant/Award Acquisition (A) Compensation/Award	39,672	+13,513	$0.00	+$0