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United States Machinery, Equipment & Components

ESS Tech Inc (GWH)

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Over the last 90 days, ESS Tech Inc. has seen insider activity with a net value of $17,420.99. The CEO, Drew P. Buckley, made a significant buy of $25,660.00. This contrasts with sales totaling $8,239.01 by other executives, including the CFO and another executive. The stock has experienced a 34.6% decline in the past 90 days.
Stock chart
Ticker: GWH Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Buckley Drew P
CEO
1 purchase — total 100,000 USD
Buy 4 Jun 2026
Value US$2,958,362.28 | Price 168.31 | Shares 98,173
Sale 22 May 2026
Value US$2,268,280.32 | Price 157.01 | Shares 65,541
Sale 22 May 2026
Value US$2,571.08 | Price 0.93 | Shares 2,751
Sale 21 May 2026
Value US$1,592.90 | Price 0.92 | Shares 1,735
Sale 21 May 2026
Value US$2,278.72 | Price 0.92 | Shares 2,482
Sale 20 Feb 2026
Value US$3,494.26 | Price 1.54 | Shares 2,269
Sale 20 Feb 2026
Value US$1,141.14 | Price 1.54 | Shares 741
Proposed sale 25 Sep 2025
Value US$6,668.22 | Price 1.72 | Shares 3,878
Proposed sale 17 Sep 2025
Value US$4,830.30 | Price 1.61 | Shares 3,000
Proposed sale 10 Sep 2025
Value US$6,790.54 | Price 1.42 | Shares 4,774
Proposed sale 4 Sep 2025
Value US$6,375.27 | Price 1.27 | Shares 5,001
Proposed sale 29 Aug 2025
Value US$7,538.84 | Price 1.49 | Shares 5,062
Buy 18 Nov 2024
Value US$5,227.10 | Price 5.23 | Shares 1,000
Sale 11 Sep 2024
Value US$40,040.00 | Price 5.72 | Shares 7,000
Buy 30 Aug 2024
Value US$955.66 | Price 6.73 | Shares 142
Buy 14 May 2024
Value US$987.38 | Price 0.79 | Shares 1,250
Buy 10 May 2024
Value US$44,988.35 | Price 0.79 | Shares 57,310
Buy 9 May 2024
Value US$35,816.91 | Price 0.84 | Shares 42,690
Buy 15 Mar 2024
Value US$1,669.34 | Price 0.73 | Shares 2,300
Buy 15 Mar 2024
Value US$145.14 | Price 0.73 | Shares 200
Buy 16 Nov 2023
Value US$6,865.64 | Price 1.25 | Shares 5,489
Buy 15 Nov 2023
Value US$90,307.27 | Price 1.35 | Shares 67,118
Buy 14 Nov 2023
Value US$102,295.04 | Price 1.27 | Shares 80,579
Buy 13 Nov 2023
Value US$1,106.30 | Price 1.11 | Shares 1,000
Buy 13 Nov 2023
Value US$51,631.16 | Price 1.10 | Shares 46,814
Buy 16 May 2023
Value US$8,104.00 | Price 0.81 | Shares 10,000
Buy 16 May 2023
Value US$8,055.00 | Price 0.81 | Shares 10,000
Buy 15 May 2023
Value US$84.34 | Price 0.84 | Shares 100
Buy 15 May 2023
Value US$3,288.87 | Price 0.84 | Shares 3,900
Buy 12 May 2023
Value US$22,592.00 | Price 1.13 | Shares 20,000
Buy 7 Mar 2023
Value US$4,012.50 | Price 1.61 | Shares 2,500
Buy 6 Mar 2023
Value US$8,250.00 | Price 1.65 | Shares 5,000
Sale 21 Feb 2023
Value US$47,817.60 | Price 2.04 | Shares 23,440
Sale 21 Feb 2023
Value US$0.00 | Price 0.00 | Shares 4,915
Sale 21 Feb 2023
Value US$11,293.44 | Price 2.04 | Shares 5,536
Buy 15 Dec 2022
Value US$48,896.00 | Price 2.56 | Shares 19,100
Sale 21 Nov 2022
Value US$54,757.77 | Price 3.82 | Shares 14,339
Sale 21 Nov 2022
Value US$31,379.08 | Price 3.82 | Shares 8,217
Sale 21 Nov 2022
Value US$24,249.38 | Price 3.82 | Shares 6,350
Sale 21 Nov 2022
Value US$175,935.00 | Price 3.52 | Shares 50,000
Sale 18 Nov 2022
Value US$196,685.00 | Price 3.93 | Shares 50,000
Sale 19 Oct 2022
Value US$14,599.61 | Price 3.48 | Shares 4,193
Sale 19 Oct 2022
Value US$14,599.61 | Price 3.48 | Shares 4,193
Sale 17 Oct 2022
Value US$72,160.56 | Price 3.72 | Shares 19,398
Sale 17 Oct 2022
Value US$72,160.56 | Price 3.72 | Shares 19,398
Sale 17 Oct 2022
Value US$53,043.48 | Price 3.72 | Shares 14,259
Sale 17 Oct 2022
Value US$212,140.44 | Price 3.72 | Shares 57,027
Sale 17 Oct 2022
Value US$60,784.80 | Price 3.72 | Shares 16,340
Sale 17 Oct 2022
Value US$46,976.16 | Price 3.72 | Shares 12,628
Sale 17 Oct 2022
Value US$62,198.40 | Price 3.72 | Shares 16,720
Sale 17 Oct 2022
Value US$254,412.77 | Price 4.03 | Shares 63,205
Buy 1 Mar 2022
Value US$100,168.00 | Price 5.01 | Shares 20,000
Sale 24 Jan 2022
Value US$8,122.86 | Price 6.05 | Shares 1,342
Sale 24 Jan 2022
Value US$361,001.10 | Price 6.05 | Shares 59,642
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-08 2026-06-04 B Purchase
Buckley Drew P

CEO

Executive Director
98,173 +42.5%
168.31
US$2,958,362 		98,173 +42.5% 168.31 US$2,958,362
2026-05-26 2026-05-22 S Sale
Suhadolnik Kate Eileen

Chief Financial Officer

Officer
65,541 +40.2%
157.01
US$2,268,280 		65,541 +40.2% 157.01 US$2,268,280
2026-05-26 2026-05-22 S Sale
Goodman Kelly F.

SEE REMARKS

Officer
29,649 +24.8%
20.39
US$1,298,883 		29,649 +24.8% 20.39 US$1,298,883
2026-05-26 2026-05-21 S Sale
Suhadolnik Kate Eileen

Chief Financial Officer

Officer
1,735 -1.1%
0.92
US$1,593 		1,735 -1.1% 0.92 US$1,593
2026-05-26 2026-05-21 S Sale
Goodman Kelly F.

SEE REMARKS

Officer
2,482 -1.1%
0.92
US$2,279 		2,482 -1.1% 0.92 US$2,279
2026-02-26 2026-02-20 S Sale
Goodman Kelly F.

SEE REMARKS

Officer
2,269 -1.0%
1.54
US$3,494 		2,269 -1.0% 1.54 US$3,494
2026-02-26 2026-02-20 S Sale
Suhadolnik Kate Eileen

Chief Financial Officer

Officer
741 -0.4%
1.54
US$1,141 		741 -0.4% 1.54 US$1,141
2025-09-25 2025-09-25 PrS Proposed sale
ANTHONY A RABB

Officer

Officer
3,878
1.72
US$6,668 		3,878 1.72 US$6,668
2025-09-17 2025-09-17 PrS Proposed sale
ANTHONY A RABB

Officer

Officer
3,000
1.61
US$4,830 		3,000 1.61 US$4,830
2025-09-10 2025-09-10 PrS Proposed sale
ANTHONY A RABB

Officer

Officer
4,774
1.42
US$6,791 		4,774 1.42 US$6,791
2025-09-04 2025-09-04 PrS Proposed sale
ANTHONY A RABB

Officer

Officer
5,001
1.27
US$6,375 		5,001 1.27 US$6,375
2025-08-29 2025-08-29 PrS Proposed sale
ANTHONY A RABB

Officer

Officer
5,062
1.49
US$7,539 		5,062 1.49 US$7,539
2024-11-18 2024-11-18 B Purchase
4.0
Dresselhuys Eric P.

Chief Executive Officer

Executive Director
1,000 +0.6%
5.23
US$5,227 		1,000 +0.6% 5.23 US$5,227
2024-09-17 2024-09-11 S Sale
2.0
Nijhawan Sandeep
Non-Executive Director
7,000 -31.1%
5.72
US$40,040 		7,000 -31.1% 5.72 US$40,040
2024-09-03 2024-08-30 B Purchase
3.4
Teamey Kyle
Non-Executive Director
142 +0.6%
6.73
US$956 		142 +0.6% 6.73 US$956
2024-05-15 2024-05-14 B Purchase
3.4
Teamey Kyle
Non-Executive Director
1,250 +0.7%
0.79
US$987 		1,250 +0.7% 0.79 US$987
2024-05-13 2024-05-10 B Purchase
1.5
Quarls Harry
Non-Executive Director
57,310 +15.7%
0.79
US$44,988 		57,310 +15.7% 0.79 US$44,988
2024-05-09 2024-05-09 B Purchase
1.5
Quarls Harry
Non-Executive Director
42,690 +13.2%
0.84
US$35,817 		42,690 +13.2% 0.84 US$35,817
2024-03-18 2024-03-15 B Purchase
3.7
Hossfeld Rich
Non-Executive Director
2,300 +1.6%
0.73
US$1,669 		2,300 +1.6% 0.73 US$1,669
2024-03-18 2024-03-15 B Purchase
3.7
Hossfeld Rich
Non-Executive Director
200 +0.1%
0.73
US$145 		200 +0.1% 0.73 US$145
2023-11-16 2023-11-16 B Purchase
1.5
Quarls Harry
Non-Executive Director
5,489 +1.7%
1.25
US$6,866 		5,489 +1.7% 1.25 US$6,866
2023-11-15 2023-11-15 B Purchase
1.5
Quarls Harry
Non-Executive Director
67,118 +26.8%
1.35
US$90,307 		67,118 +26.8% 1.35 US$90,307
2023-11-14 2023-11-14 B Purchase
1.5
Quarls Harry
Non-Executive Director
80,579 +47.3%
1.27
US$102,295 		80,579 +47.3% 1.27 US$102,295
2023-11-13 2023-11-13 B Purchase
3.4
Teamey Kyle
Non-Executive Director
1,000 +0.6%
1.11
US$1,106 		1,000 +0.6% 1.11 US$1,106
2023-11-13 2023-11-13 B Purchase
1.5
Quarls Harry
Non-Executive Director
46,814 +37.9%
1.10
US$51,631 		46,814 +37.9% 1.10 US$51,631
2023-05-17 2023-05-16 B Purchase
2.4
NIGGLI MICHAEL R
Non-Executive Director
10,000 +1.7%
0.81
US$8,104 		10,000 +1.7% 0.81 US$8,104
2023-05-16 2023-05-16 B Purchase
3.7
Hossfeld Rich
Non-Executive Director
10,000 +inf%
0.81
US$8,055 		10,000 +inf% 0.81 US$8,055
2023-05-16 2023-05-15 B Purchase
3.4
Teamey Kyle
Non-Executive Director
100 +0.3%
0.84
US$84 		100 +0.3% 0.84 US$84
2023-05-16 2023-05-15 B Purchase
3.4
Teamey Kyle
Non-Executive Director
3,900 +12.2%
0.84
US$3,289 		3,900 +12.2% 0.84 US$3,289
2023-05-15 2023-05-12 B Purchase
2.4
NIGGLI MICHAEL R
Non-Executive Director
20,000 +3.4%
1.13
US$22,592 		20,000 +3.4% 1.13 US$22,592
2023-03-07 2023-03-07 B Purchase
3.4
Teamey Kyle
Non-Executive Director
2,500 +8.5%
1.61
US$4,012 		2,500 +8.5% 1.61 US$4,012
2023-03-07 2023-03-06 B Purchase
2.4
NIGGLI MICHAEL R
Non-Executive Director
5,000 +0.9%
1.65
US$8,250 		5,000 +0.9% 1.65 US$8,250
2023-02-23 2023-02-21 S Sale
4.0
Dresselhuys Eric P.

Chief Executive Officer

Executive Director
23,440 -1.7%
2.04
US$47,818 		23,440 -1.7% 2.04 US$47,818
2023-02-23 2023-02-21 S Sale
4.1
Evans Craig E

President

Executive Director
4,915
0.00
US$0 		4,915 0.00 US$0
2023-02-23 2023-02-21 S Sale
4.1
Evans Craig E

President

Executive Director
5,536 -0.1%
2.04
US$11,293 		5,536 -0.1% 2.04 US$11,293
2022-12-16 2022-12-15 B Purchase
2.4
NIGGLI MICHAEL R
Non-Executive Director
19,100 +3.4%
2.56
US$48,896 		19,100 +3.4% 2.56 US$48,896
2022-11-22 2022-11-21 S Sale
4.0
Dresselhuys Eric P.

Chief Executive Officer

Executive Director
14,339 -1.0%
3.82
US$54,758 		14,339 -1.0% 3.82 US$54,758
2022-11-22 2022-11-21 S Sale
4.1
Evans Craig E

President

Executive Director
8,217 -0.1%
3.82
US$31,379 		8,217 -0.1% 3.82 US$31,379
2022-11-22 2022-11-21 S Sale
4.1
Evans Craig E

President

Executive Director
6,350 -0.3%
3.82
US$24,249 		6,350 -0.3% 3.82 US$24,249
2022-11-22 2022-11-21 S Sale
4.1
Evans Craig E

President

Executive Director
50,000 -0.9%
3.52
US$175,935 		50,000 -0.9% 3.52 US$175,935
2022-11-22 2022-11-18 S Sale
4.1
Evans Craig E

President

Executive Director
50,000 -2.0%
3.93
US$196,685 		50,000 -2.0% 3.93 US$196,685
2022-10-20 2022-10-19 S Sale
3.3
Moftakhar Amir

Chief Financial Officer

Officer
4,193 -0.7%
3.48
US$14,600 		4,193 -0.7% 3.48 US$14,600
2022-10-20 2022-10-19 S Sale
3.3
Moftakhar Amir

Chief Financial Officer

Officer
4,193 -0.7%
3.48
US$14,600 		4,193 -0.7% 3.48 US$14,600
2022-10-19 2022-10-17 S Sale
4.0
Dresselhuys Eric P.

Chief Executive Officer

Executive Director
19,398 -1.4%
3.72
US$72,161 		19,398 -1.4% 3.72 US$72,161
2022-10-19 2022-10-17 S Sale
4.0
Dresselhuys Eric P.

Chief Executive Officer

Executive Director
19,398 -1.4%
3.72
US$72,161 		19,398 -1.4% 3.72 US$72,161
2022-10-19 2022-10-17 S Sale
4.0
Dresselhuys Eric P.

Chief Executive Officer

Executive Director
14,259 -1.0%
3.72
US$53,043 		14,259 -1.0% 3.72 US$53,043
2022-10-19 2022-10-17 S Sale
4.0
Dresselhuys Eric P.

Chief Executive Officer

Executive Director
57,027 -3.8%
3.72
US$212,140 		57,027 -3.8% 3.72 US$212,140
2022-10-19 2022-10-17 S Sale
4.1
Evans Craig E

President

Executive Director
16,340 -0.3%
3.72
US$60,785 		16,340 -0.3% 3.72 US$60,785
2022-10-19 2022-10-17 S Sale
4.1
Evans Craig E

President

Executive Director
12,628 -0.5%
3.72
US$46,976 		12,628 -0.5% 3.72 US$46,976
2022-10-19 2022-10-17 S Sale
3.3
Moftakhar Amir

Chief Financial Officer

Officer
16,720 -2.9%
3.72
US$62,198 		16,720 -2.9% 3.72 US$62,198
2022-10-18 2022-10-17 S Sale
3.3
Moftakhar Amir

Chief Financial Officer

Officer
63,205 -9.8%
4.03
US$254,413 		63,205 -9.8% 4.03 US$254,413
2022-03-03 2022-03-01 B Purchase
2.4
NIGGLI MICHAEL R
Non-Executive Director
20,000 +3.9%
5.01
US$100,168 		20,000 +3.9% 5.01 US$100,168
2022-01-25 2022-01-24 S Sale
4.1
Evans Craig E

President

Executive Director
1,342 -0.0%
6.05
US$8,123 		1,342 -0.0% 6.05 US$8,123
2022-01-25 2022-01-24 S Sale
4.0
Dresselhuys Eric P.

Chief Executive Officer

Executive Director
59,642 -6.4%
6.05
US$361,001 		59,642 -6.4% 6.05 US$361,001
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