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ESS Tech, Inc.

GWH Net selling
CIK 0001819438 #5183 in the set updated 17 Sep 2026
Bought (120 mo)
$571.11K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$1.83M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$1.83M
29 of 29 sales
Net
−$1.26M
−$1.26M against sales at will

By person

24 insiders · 52 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Dresselhuys Eric P.
Chief Executive Officer
$5.23K (1)
$873.08K (7)
−$867.85K
180,580
$72.63K
Evans Craig E
President
$555.43K (9)
−$555.43K
8,421,392
$3.39M
+16.3%
Moftakhar Amir
Chief Financial Officer
$345.81K (4)
−$345.81K
558,850
$224.77K
+105.2%
Quarls Harry
Director
$331.90K (6)
+$331.90K
68,769
$27.66K
NIGGLI MICHAEL R
Director
$188.01K (5)
+$188.01K
176,050
$70.81K
Nijhawan Sandeep
Director
$40.04K (1)
−$40.04K
42,563
$17.12K
Buckley Drew P
CEO
$25.66K (1)
+$25.66K
25,000
$10.06K
Goodman Kelly F.
SEE REMARKS
$10.52K (4)
−$10.52K
205,220
$82.54K
+344.4%
Teamey Kyle
Director
$10.44K (6)
+$10.44K
38,740
$15.58K
Hossfeld Rich
Director
$9.87K (3)
+$9.87K
41,372
$16.64K
Suhadolnik Kate Eileen
Chief Financial Officer
$6.11K (4)
−$6.11K
156,830
$63.08K
+419.5%
SOFTBANK GROUP CORP. entity
Director
35,953,699
$14.46M
+13.4%
Breakthrough Energy Ventures, LLC entity
10% owner
18,558,721
$7.46M
+15.7%
ACON S2 Sponsor, L.L.C.
10% owner
6,100,000
$2.45M
Trivedi Jigish Dhirajlal
COO
275,000
$110.61K
Rabb Anthony
Chief Financial Officer
109,392
$44.00K
Wilson Daryl C
Director
75,850
$30.51K
Gast Claudia
Director
59,694
$24.01K
Bodner Jeff
Chief Accounting Officer
54,900
$22.08K
Garabedian Raffi
Director
53,185
$21.39K
WELLMAN ALEXI
Director
52,399
$21.07K
Goddard Janie
Director
50,000
$20.11K
Levy Sarah Kirshbaum
Director
50,000
$20.11K
Shadrick-Wilson Ryan D
Director
50,000
$20.11K

No percentages here. This company's share count has moved by a factor of 2.8 over the window, from 11,882,871 to 32,970,025 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
Goodman Kelly F.
21 Aug 2026
SEE REMARKS
Sell
5,400
$0.40
$2.17K
Suhadolnik Kate Eileen
21 Aug 2026
Chief Financial Officer
Sell
3,927
$0.40
$1.58K
Buckley Drew P
4 Jun 2026
CEO
Buy
25,000
$1.03
$25.66K
Goodman Kelly F.
22 May 2026
SEE REMARKS
Sell
2,751
$0.93
$2.57K
Suhadolnik Kate Eileen
22 May 2026
Chief Financial Officer
Sell
1,922
$0.93
$1.80K
Goodman Kelly F.
21 May 2026
SEE REMARKS
Sell
2,482
$0.92
$2.28K
Suhadolnik Kate Eileen
21 May 2026
Chief Financial Officer
Sell
1,735
$0.92
$1.59K
Goodman Kelly F.
20 Feb 2026
SEE REMARKS
Sell
2,269
$1.54
$3.49K
Suhadolnik Kate Eileen
20 Feb 2026
Chief Financial Officer
Sell
741
$1.54
$1.14K
Dresselhuys Eric P.
18 Nov 2024
Chief Executive Officer
Buy
1,000
$5.23
$5.23K
Nijhawan Sandeep
11 Sep 2024
Director
Sell
7,000
$5.72
$40.04K
Teamey Kyle
30 Aug 2024
Director
Buy
142
$6.73
$955.66
NIGGLI MICHAEL R
29 Aug 2024
Director
Exercised, kept
11,852
$6.88
$81.54K
Teamey Kyle
14 May 2024
Director
Buy
1,250
$0.79
$987.38
Quarls Harry
10 May 2024
Director
Buy
57,310
$0.79
$44.99K
Quarls Harry
9 May 2024
Director
Buy
42,690
$0.84
$35.82K
Hossfeld Rich
15 Mar 2024
Director
Buy
2,300
$0.73
$1.67K
Hossfeld Rich
15 Mar 2024
Director
Buy
200
$0.73
$145.14
Quarls Harry
16 Nov 2023
Director
Buy
5,489
$1.25
$6.87K
Quarls Harry
15 Nov 2023
Director
Buy
67,118
$1.35
$90.31K
Quarls Harry
14 Nov 2023
Director
Buy
80,579
$1.27
$102.30K
Teamey Kyle
13 Nov 2023
Director
Buy
1,000
$1.11
$1.11K
Quarls Harry
13 Nov 2023
Director
Buy
46,814
$1.10
$51.63K
Hossfeld Rich
16 May 2023
Director
Buy
10,000
$0.81
$8.06K
NIGGLI MICHAEL R
16 May 2023
Director
Buy
10,000
$0.81
$8.10K
Teamey Kyle
15 May 2023
Director
Buy
100
$0.84
$84.34
Teamey Kyle
15 May 2023
Director
Buy
3,900
$0.84
$3.29K
NIGGLI MICHAEL R
12 May 2023
Director
Buy
20,000
$1.13
$22.59K
Teamey Kyle
7 Mar 2023
Director
Buy
2,500
$1.61
$4.01K
NIGGLI MICHAEL R
6 Mar 2023
Director
Buy
5,000
$1.65
$8.25K
Evans Craig E
21 Feb 2023
President
Sell indirect
4,915
$0.00
$0.00
Evans Craig E
21 Feb 2023
President
Sell
5,536
$2.04
$11.29K
Dresselhuys Eric P.
21 Feb 2023
Chief Executive Officer
Sell
23,440
$2.04
$47.82K
NIGGLI MICHAEL R
15 Dec 2022
Director
Buy
19,100
$2.56
$48.90K
Evans Craig E
21 Nov 2022
President
Sell
8,217
$3.82
$31.38K
Evans Craig E
21 Nov 2022
President
Sell indirect
6,350
$3.82
$24.25K
Evans Craig E
21 Nov 2022
President
Sell
50,000
$3.52
$175.94K
Dresselhuys Eric P.
21 Nov 2022
Chief Executive Officer
Sell
14,339
$3.82
$54.76K
Evans Craig E
18 Nov 2022
President
Sell indirect
50,000
$3.93
$196.69K
Moftakhar Amir
19 Oct 2022
Chief Financial Officer
Sell
4,193
$3.48
$14.60K
Moftakhar Amir
19 Oct 2022
Chief Financial Officer
Sell
4,193
$3.48
$14.60K
Moftakhar Amir
17 Oct 2022
Chief Financial Officer
Sell
63,205
$4.03
$254.41K
Moftakhar Amir
17 Oct 2022
Chief Financial Officer
Sell
16,720
$3.72
$62.20K
Dresselhuys Eric P.
17 Oct 2022
Chief Executive Officer
Sell
19,398
$3.72
$72.16K
Dresselhuys Eric P.
17 Oct 2022
Chief Executive Officer
Sell
19,398
$3.72
$72.16K
Dresselhuys Eric P.
17 Oct 2022
Chief Executive Officer
Sell
14,259
$3.72
$53.04K
Dresselhuys Eric P.
17 Oct 2022
Chief Executive Officer
Sell
57,027
$3.72
$212.14K
Evans Craig E
17 Oct 2022
President
Sell
16,340
$3.72
$60.78K
Evans Craig E
17 Oct 2022
President
Sell indirect
12,628
$3.72
$46.98K
NIGGLI MICHAEL R
1 Mar 2022
Director
Buy
20,000
$5.01
$100.17K
Dresselhuys Eric P.
24 Jan 2022
Chief Executive Officer
Sell
59,642
$6.05
$361.00K
Evans Craig E
24 Jan 2022
President
Sell
1,342
$6.05
$8.12K

What was left out

Form 4 filings counted 125
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 8
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 29
Transactions with no price 0
Shares from compensation/vesting 22,476,146
Sales filed before the plan box existed 20
History held since 17 Nov 2020