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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
Buckley Drew P
4 Jun 2026
CEO
Buy
25,000
$1.03
$25.66K
Dresselhuys Eric P.
18 Nov 2024
Chief Executive Officer
Buy
1,000
$5.23
$5.23K
Teamey Kyle
30 Aug 2024
Director
Buy
142
$6.73
$955.66
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
NIGGLI MICHAEL R
15 Dec 2022
Director
Buy
19,100
$2.56
$48.90K
NIGGLI MICHAEL R
1 Mar 2022
Director
Buy
20,000
$5.01
$100.17K

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