ESS Tech Inc. (GWH) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for ESS Tech Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2024-11-18
Purchase
2024-11-18
9:07 pm
ESS Tech Inc.GWHDresselhuys Eric P.
Chief Executive Officer
1,000$5.2271$5,227180,580
(Direct)
View
2024-09-11
Sale
2024-09-17
7:29 pm
ESS Tech Inc.GWHNijhawan Sandeep
Director
7,000$5.72$40,04015,537
(Direct)
View
2024-08-30
Purchase
2024-09-03
4:57 pm
ESS Tech Inc.GWHTeamey Kyle
Director
142$6.73$95625,227
(Direct)
View
2024-05-15
Sale
2024-05-17
12:47 pm
ESS Tech Inc.GWHHossfeld Rich
Director
135,373$0$0215,202
(Direct)
View
2024-05-14
Purchase
2024-05-15
11:49 am
ESS Tech Inc.GWHTeamey Kyle
Director
1,250$0.7899$987173,609
(Direct)
View
2024-05-10
Purchase
2024-05-13
12:41 pm
ESS Tech Inc.GWHQuarls Harry
Director
57,310$0.785$44,988423,456
(Direct)
View
2024-05-09
Purchase
2024-05-09
8:44 pm
ESS Tech Inc.GWHQuarls Harry
Director
42,690$0.839$35,817366,146
(Direct)
View
2024-03-15
Purchase
2024-03-18
4:19 pm
ESS Tech Inc.GWHHossfeld Rich
Director
2,500$0.72579$1,814147,873
(Direct)
View
2023-11-16
Purchase
2023-11-16
5:48 pm
ESS Tech Inc.GWHQuarls Harry
Director
5,489$1.2508$6,866323,456
(Direct)
View
2023-11-15
Purchase
2023-11-15
7:07 pm
ESS Tech Inc.GWHQuarls Harry
Director
67,118$1.3455$90,307317,967
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2025-11-20
Tax Withholding
2025-11-21
6:18 pm
N/A
N/A
ESS Tech Inc.GWHSuhadolnik Kate Eileen
Interim CFO
1,299$2.427,655
(Direct)
View
2025-11-20
Tax Withholding
2025-11-21
6:13 pm
N/A
N/A
ESS Tech Inc.GWHGoodman Kelly F.
Interim CEO
4,513$2.480,622
(Direct)
View
2025-10-13
Option Award
2025-10-15
4:51 pm
N/A
N/A
ESS Tech Inc.GWHNIGGLI MICHAEL R
Director
13,513$090,825
(Direct)
View
2025-10-13
Option Award
2025-10-15
4:50 pm
N/A
N/A
ESS Tech Inc.GWHWELLMAN ALEXI
Director
13,513$038,886
(Direct)
View
2025-10-13
Option Award
2025-10-15
4:49 pm
N/A
N/A
ESS Tech Inc.GWHQuarls Harry
Director
13,513$013,513
(Direct)
View
2025-10-13
Option Award
2025-10-15
4:48 pm
N/A
N/A
ESS Tech Inc.GWHNijhawan Sandeep
Director
13,513$029,050
(Direct)
View
2025-10-13
Option Award
2025-10-15
4:48 pm
N/A
N/A
ESS Tech Inc.GWHGarabedian Raffi
Director
13,513$039,672
(Direct)
View
2025-10-13
Option Award
2025-10-15
4:46 pm
N/A
N/A
ESS Tech Inc.GWHHossfeld Rich
Director
13,513$027,859
(Direct)
View
2025-10-13
Option Award
2025-10-15
4:46 pm
N/A
N/A
ESS Tech Inc.GWHTeamey Kyle
Director
13,513$038,740
(Direct)
View
2025-08-18
Option Award
2025-09-05
4:57 pm
N/A
N/A
ESS Tech Inc.GWHTrivedi Jigish Dhirajlal
COO
275,000$0275,000
(Direct)
View
2025-08-20
Tax Withholding
2025-08-29
4:04 pm
N/A
N/A
ESS Tech Inc.GWHSuhadolnik Kate Eileen
Interim CFO
1,232$1.6128,954
(Direct)
View

Ownership
2025-08-28
6:24 pm
N/A
N/A
ESS Tech Inc.GWHSuhadolnik Kate Eileen
Interim CFO
0$030,186
(Direct)
View
2025-08-20
Tax Withholding
2025-08-21
6:06 pm
N/A
N/A
ESS Tech Inc.GWHGoodman Kelly F.
Interim CEO
4,326$1.6185,135
(Direct)
View
2025-05-20
Tax Withholding
2025-05-22
4:12 pm
N/A
N/A
ESS Tech Inc.GWHGoodman Kelly F.
Interim CEO
2,164$1.9689,461
(Direct)
View
2025-05-20
Tax Withholding
2025-05-22
4:12 pm
N/A
N/A
ESS Tech Inc.GWHRabb Anthony
Chief Financial Officer
2,741$1.96109,392
(Direct)
View
2024-05-20
Tax Withholding
2025-04-15
4:19 pm
N/A
N/A
ESS Tech Inc.GWHRabb Anthony
Chief Financial Officer
1,886$12.15112,133
(Direct)
View
2025-04-13
Option Award
2025-04-15
4:19 pm
N/A
N/A
ESS Tech Inc.GWHRabb Anthony
Chief Financial Officer
42,500$0112,133
(Direct)
View
2023-08-20
Tax Withholding
2025-04-15
4:19 pm
N/A
N/A
ESS Tech Inc.GWHRabb Anthony
Chief Financial Officer
106$18.15112,133
(Direct)
View
2024-02-20
Tax Withholding
2025-04-15
4:19 pm
N/A
N/A
ESS Tech Inc.GWHRabb Anthony
Chief Financial Officer
1,044$13.67112,133
(Direct)
View
2023-05-20
Tax Withholding
2025-04-15
4:19 pm
N/A
N/A
ESS Tech Inc.GWHRabb Anthony
Chief Financial Officer
100$18112,133
(Direct)
View
2023-11-20
Tax Withholding
2025-04-15
4:19 pm
N/A
N/A
ESS Tech Inc.GWHRabb Anthony
Chief Financial Officer
4,298$17.55112,133
(Direct)
View
2025-02-20
Tax Withholding
2025-04-15
4:19 pm
N/A
N/A
ESS Tech Inc.GWHRabb Anthony
Chief Financial Officer
1,987$4.81112,133
(Direct)
View
2024-11-20
Tax Withholding
2025-04-15
4:19 pm
N/A
N/A
ESS Tech Inc.GWHRabb Anthony
Chief Financial Officer
1,889$5.21112,133
(Direct)
View
2024-08-20
Tax Withholding
2025-04-15
4:19 pm
N/A
N/A
ESS Tech Inc.GWHRabb Anthony
Chief Financial Officer
1,886$8.1945112,133
(Direct)
View
2025-04-13
Option Award
2025-04-15
4:17 pm
N/A
N/A
ESS Tech Inc.GWHGoodman Kelly F.
Interim CEO
36,930$091,625
(Direct)
View
2025-02-10
Option Award
2025-04-04
4:06 pm
N/A
N/A
ESS Tech Inc.GWHGoodman Kelly F.
Interim CEO
10,000$054,695
(Direct)
View
2025-02-20
Tax Withholding
2025-04-04
4:06 pm
N/A
N/A
ESS Tech Inc.GWHGoodman Kelly F.
Interim CEO
1,489$4.8154,695
(Direct)
View

Ownership
2025-02-14
4:32 pm
N/A
N/A
ESS Tech Inc.GWHGoodman Kelly F.
Interim CEO
0$046,184
(Direct)
View
2024-08-29
Exercise
2024-09-03
5:02 pm
N/A
N/A
ESS Tech Inc.GWHNIGGLI MICHAEL R
Director
11,852$6.88153,083
(Direct)
View
2024-08-29
Exercise
2024-09-03
5:02 pm
N/A
2028-10-18
ESS Tech Inc.GWHNIGGLI MICHAEL R
Director
11,852$0153,083
(Direct)
View
2024-05-17
Option Award
2024-05-17
12:47 pm
N/A
N/A
ESS Tech Inc.GWHHossfeld Rich
Director
202,702$0215,202
(Direct)
View
2024-05-17
Option Award
2024-05-17
12:45 pm
N/A
N/A
ESS Tech Inc.GWHGarabedian Raffi
Director
202,702$0392,429
(Direct)
View
2024-05-17
Option Award
2024-05-17
12:44 pm
N/A
N/A
ESS Tech Inc.GWHNIGGLI MICHAEL R
Director
202,702$02,088,527
(Direct)
View
2024-05-17
Option Award
2024-05-17
12:42 pm
N/A
N/A
ESS Tech Inc.GWHNijhawan Sandeep
Director
202,702$0338,075
(Direct)
View
2024-05-17
Option Award
2024-05-17
12:39 pm
N/A
N/A
ESS Tech Inc.GWHQuarls Harry
Director
202,702$0626,158
(Direct)
View
2024-05-17
Option Award
2024-05-17
12:38 pm
N/A
N/A
ESS Tech Inc.GWHTeamey Kyle
Director
202,702$0376,311
(Direct)
View
2024-05-17
Option Award
2024-05-17
12:36 pm
N/A
N/A
ESS Tech Inc.GWHWELLMAN ALEXI
Director
202,702$0380,633
(Direct)
View
2024-03-07
Option Award
2024-05-08
7:03 pm
N/A
N/A
ESS Tech Inc.GWHDresselhuys Eric P.
Chief Executive Officer
622,771$02,718,239
(Direct)
View
2024-02-15
Option Award
2024-02-16
4:57 pm
N/A
N/A
ESS Tech Inc.GWHRabb Anthony
Chief Financial Officer
550,000$01,242,468
(Direct)
View
2023-03-13
Option Award(A)
2024-02-16
4:43 pm
N/A
N/A
ESS Tech Inc.GWHRabb Anthony
Chief Financial Officer
76,452$0692,468
(Direct)
View
(A) Indicate amendment filing.
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