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$GWH

$0.93 +$0.01 (1.3%)

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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: -

Drew P Buckley

550,000 shares

Net: +550,000 B/S: ∞

Jigish Dhirajlal Trivedi

275,000 shares

Net: +275,000 B/S: ∞

Kelly F. Goodman

215,853 shares

Net: +126,392 B/S: 60.6

Eric P. Dresselhuys

180,580 shares

Net: 0 B/S: -

Kate Eileen Suhadolnik

164,414 shares

Net: +134,228 B/S: 185.56

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: -

Claudia Gast

59,694 shares

Net: 0 B/S: -

Jeff Bodner

54,900 shares

Net: 0 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: -

Raffi Garabedian

39,672 shares

Net: +13,513 B/S: ∞

ALEXI WELLMAN

38,886 shares

Net: +13,513 B/S: ∞

Kyle Teamey

38,740 shares

Net: +13,513 B/S: ∞

Sandeep Nijhawan

29,050 shares

Net: +13,513 B/S: ∞

Rich Hossfeld

27,859 shares

Net: +13,513 B/S: ∞

Harry Quarls

13,513 shares

Net: +13,513 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	-
Drew P Buckley	550,000	+550,000	∞
Jigish Dhirajlal Trivedi	275,000	+275,000	∞
Kelly F. Goodman	215,853	+126,392	60.6
Eric P. Dresselhuys	180,580	0	-
Kate Eileen Suhadolnik	164,414	+134,228	185.56
Anthony Rabb	109,392	0	-
MICHAEL R NIGGLI	90,825	+13,513	∞
Daryl C Wilson	75,850	0	-
Claudia Gast	59,694	0	-
Jeff Bodner	54,900	0	-
Janie Goddard	50,000	0	-
Sarah Kirshbaum Levy	50,000	0	-
Ryan D Shadrick-Wilson	50,000	0	-
Raffi Garabedian	39,672	+13,513	∞
ALEXI WELLMAN	38,886	+13,513	∞
Kyle Teamey	38,740	+13,513	∞
Sandeep Nijhawan	29,050	+13,513	∞
Rich Hossfeld	27,859	+13,513	∞
Harry Quarls	13,513	+13,513	∞

Individual Transactions

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

Harry Quarls

Grant/Award Acquisition

Change: +13,513

Price: $0.00

Shares: 13,513

Value: +$0

Rich Hossfeld

Grant/Award Acquisition

Change: +13,513

Price: $0.00

Shares: 27,859

Value: +$0

Kyle Teamey

Grant/Award Acquisition

Change: +13,513

Price: $0.00

Shares: 38,740

Value: +$0

ALEXI WELLMAN

Grant/Award Acquisition

Change: +13,513

Price: $0.00

Shares: 38,886

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
Harry Quarls	Oct 15	Grant/Award Acquisition (A) Compensation/Award	13,513	+13,513	$0.00	+$0
Rich Hossfeld	Oct 15	Grant/Award Acquisition (A) Compensation/Award	27,859	+13,513	$0.00	+$0
Kyle Teamey	Oct 15	Grant/Award Acquisition (A) Compensation/Award	38,740	+13,513	$0.00	+$0
ALEXI WELLMAN	Oct 15	Grant/Award Acquisition (A) Compensation/Award	38,886	+13,513	$0.00	+$0

August 20, 2025

Kate Eileen Suhadolnik

Tax Payment

Change: -1,232

Price: $1.61

Shares: 28,954

Value: -$1,983

Kelly F. Goodman

Tax Payment

Change: -4,326

Price: $1.61

Shares: 85,135

Value: -$6,964

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Kate Eileen Suhadolnik	Aug 29	Tax Payment (F) Tax Payment	28,954	-1,232	$1.61	-$1,983
Kelly F. Goodman	Aug 21	Tax Payment (F) Tax Payment	85,135	-4,326	$1.61	-$6,964

August 18, 2025

Jigish Dhirajlal Trivedi

Grant/Award Acquisition

Change: +275,000

Price: $0.00

Shares: 275,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jigish Dhirajlal Trivedi	Sep 05	Grant/Award Acquisition (A) Compensation/Award	275,000	+275,000	$0.00	+$0

May 20, 2025

Kelly F. Goodman

Tax Payment

Change: -2,164

Price: $1.96

Shares: 89,461

Value: -$4,241

Anthony Rabb

Tax Payment

Change: -2,741

Price: $1.96

Shares: 109,392

Value: -$5,372

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Kelly F. Goodman	May 22	Tax Payment (F) Tax Payment	89,461	-2,164	$1.96	-$4,241
Anthony Rabb	May 22	Tax Payment (F) Tax Payment	109,392	-2,741	$1.96	-$5,372

April 13, 2025

Anthony Rabb

Grant/Award Acquisition

Change: +42,500

Price: $0.00

Shares: 112,133

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Anthony Rabb	Apr 15	Grant/Award Acquisition (A) Compensation/Award	112,133	+42,500	$0.00	+$0