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>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2023-05-15 Purchase |
2023-05-16 4:40 pm |
ESS Tech Inc. | GWH | Teamey Kyle Director |
4,000 | $0.8433 | $3,373 | 35,986 (Direct) |
View |
2023-05-12 Purchase |
2023-05-15 9:05 pm |
ESS Tech Inc. | GWH | NIGGLI MICHAEL R Director |
20,000 | $1.1296 | $22,592 | 1,740,452 (Indirect Direct) |
View |
2023-03-06 Purchase |
2023-03-07 5:18 pm |
ESS Tech Inc. | GWH | NIGGLI MICHAEL R Director |
5,000 | $1.65 | $8,250 | 1,720,452 (Indirect Direct) |
View |
2023-03-07 Purchase |
2023-03-07 5:18 pm |
ESS Tech Inc. | GWH | Teamey Kyle Director |
2,500 | $1.605 | $4,013 | 31,986 (Direct) |
View |
2023-02-21 Sale |
2023-02-23 4:10 pm |
ESS Tech Inc. | GWH | Dresselhuys Eric P. Chief Executive Officer |
23,440 | $2.04 | $47,818 | 1,344,080 (Direct) |
View |
2023-02-21 Sale |
2023-02-23 4:09 pm |
ESS Tech Inc. | GWH | Evans Craig E President |
10,451 | $1.0806 | $11,293 | 7,953,698 (Indirect Direct) |
View |
2022-12-15 Purchase |
2022-12-16 2:49 pm |
ESS Tech Inc. | GWH | NIGGLI MICHAEL R Director |
19,100 | $2.56 | $48,896 | 1,715,452 (Indirect Direct) |
View |
2022-11-21 Sale |
2022-11-22 2:22 pm |
ESS Tech Inc. | GWH | Dresselhuys Eric P. Chief Executive Officer |
14,339 | $3.8188 | $54,758 | 1,367,520 (Direct) |
View |
2022-11-18 Sale |
2022-11-22 2:20 pm |
ESS Tech Inc. | GWH | Evans Craig E President |
114,567 | $3.738 | $428,248 | 7,980,489 (Indirect Direct) |
View |
2022-10-19 Sale |
2022-10-20 8:30 pm |
ESS Tech Inc. | GWH | Moftakhar Amir Chief Financial Officer |
8,386 | $3.4819 | $29,199 | 558,850 (Direct) |
View |
2022-10-17 Sale |
2022-10-19 9:38 pm |
ESS Tech Inc. | GWH | Evans Craig E Song Julia President |
28,968 | $3.72 | $107,761 | 8,078,716 (Indirect Direct) |
View |
2022-10-17 Sale |
2022-10-19 9:36 pm |
ESS Tech Inc. | GWH | Dresselhuys Eric P. Chief Executive Officer |
110,082 | $3.72 | $409,505 | 1,381,859 (Direct) |
View |
2022-10-17 Sale |
2022-10-19 9:35 pm |
ESS Tech Inc. | GWH | Moftakhar Amir Chief Financial Officer |
16,720 | $3.72 | $62,198 | 567,236 (Direct) |
View |
2022-10-17 Sale |
2022-10-18 3:56 pm |
ESS Tech Inc. | GWH | Moftakhar Amir Chief Financial Officer |
63,205 | $4.0252 | $254,413 | 583,956 (Direct) |
View |
2022-03-01 Purchase |
2022-03-03 8:24 pm |
ESS Tech Inc. | GWH | NIGGLI MICHAEL R Director |
20,000 | $5.0084 | $100,168 | 1,666,866 (Indirect Direct) |
View |
2022-01-24 Sale |
2022-01-25 4:10 pm |
ESS Tech Inc. | GWH | Evans Craig E Song Julia President |
1,342 | $6.0528 | $8,123 | 7,631,710 (Indirect Direct) |
View |
2022-01-24 Sale |
2022-01-25 4:05 pm |
ESS Tech Inc. | GWH | Dresselhuys Eric P. Chief Executive Officer |
59,642 | $6.0528 | $361,001 | 869,170 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2023-04-26 Option Award |
2023-04-26 7:31 pm |
N/A N/A |
ESS Tech Inc. | GWH | Dresselhuys Eric P. Chief Executive Officer |
622,771 | $0 | 1,966,851 (Direct) |
View |
2023-03-13 Option Award |
2023-03-14 5:56 pm |
N/A N/A |
ESS Tech Inc. | GWH | Evans Craig E President |
467,694 | $0 | 8,421,392 (Indirect) |
View |
2023-03-13 Option Award |
2023-03-14 5:56 pm |
N/A N/A |
ESS Tech Inc. | GWH | Rabb Anthony Chief Financial Officer |
77,949 | $0 | 693,965 (Direct) |
View |
Ownership(A) |
2022-11-10 6:30 pm |
N/A N/A |
ESS Tech Inc. | GWH | Rabb Anthony Chief Financial Officer |
0 | $0 | 616,016 (Direct) |
View |
Ownership |
2022-11-08 1:59 pm |
N/A N/A |
ESS Tech Inc. | GWH | Rabb Anthony Chief Financial Officer |
0 | $0 | 2,500,000 (Direct) |
View |
Ownership |
2022-11-07 4:05 pm |
N/A N/A |
ESS Tech Inc. | GWH | Rabb Anthony Chief Financial Officer |
0 | $0 | 2,500,000 (Direct) |
View |
2022-06-01 Option Award |
2022-06-03 7:04 pm |
N/A N/A |
ESS Tech Inc. | GWH | Gast Claudia Director |
29,486 | $0 | 59,694 (Direct) |
View |
2022-06-01 Option Award |
2022-06-03 4:26 pm |
N/A N/A |
ESS Tech Inc. | GWH | Garabedian Raffi Director |
29,486 | $0 | 54,354 (Direct) |
View |
2022-06-01 Option Award |
2022-06-03 4:26 pm |
N/A N/A |
ESS Tech Inc. | GWH | Teamey Kyle Director |
29,486 | $0 | 29,486 (Direct) |
View |
2022-06-01 Option Award |
2022-06-03 4:25 pm |
N/A N/A |
ESS Tech Inc. | GWH | Wilson Daryl C Director |
29,486 | $0 | 75,850 (Direct) |
View |
2022-06-01 Option Award |
2022-06-03 4:25 pm |
N/A N/A |
ESS Tech Inc. | GWH | NIGGLI MICHAEL R Director |
29,486 | $0 | 559,721 (Direct) |
View |
2022-06-01 Option Award |
2022-06-03 4:16 pm |
N/A N/A |
ESS Tech Inc. | GWH | WELLMAN ALEXI Director |
29,486 | $0 | 42,558 (Direct) |
View |
2022-02-17 Option Award |
2022-02-18 4:29 pm |
N/A N/A |
ESS Tech Inc. | GWH | Gast Claudia Director |
30,208 | $0 | 30,208 (Direct) |
View |
2022-02-16 Option Award |
2022-02-18 4:26 pm |
N/A N/A |
ESS Tech Inc. | GWH | Dresselhuys Eric P. Chief Executive Officer |
622,771 | $0 | 1,491,941 (Direct) |
View |
2022-02-08 Option Award |
2022-02-09 7:00 pm |
N/A N/A |
ESS Tech Inc. | GWH | Bodner Jeff Chief Accounting Officer |
32,934 | $0 | 54,900 (Direct) |
View |
2022-02-08 Option Award |
2022-02-09 6:58 pm |
N/A N/A |
ESS Tech Inc. | GWH | Moftakhar Amir Chief Financial Officer |
268,358 | $0 | 647,161 (Direct) |
View |
2022-02-08 Option Award |
2022-02-09 6:54 pm |
N/A N/A |
ESS Tech Inc. | GWH | Evans Craig E Song Julia President |
475,725 | $0 | 8,107,684 (Direct) |
View |
2022-01-17 Option Award |
2022-01-19 5:45 pm |
N/A N/A |
ESS Tech Inc. | GWH | Evans Craig E Song Julia President |
2,934 | $0 | 7,633,052 (Direct) |
View |
2022-01-17 Option Award |
2022-01-19 5:40 pm |
N/A N/A |
ESS Tech Inc. | GWH | Dresselhuys Eric P. Chief Executive Officer |
88,031 | $0 | 928,812 (Direct) |
View |
2022-01-04 Tax Withholding |
2022-01-06 4:20 pm |
N/A N/A |
ESS Tech Inc. | GWH | Bodner Jeff Chief Accounting Officer |
4,225 | $11.5 | 21,966 (Direct) |
View |
2022-01-04 Tax Withholding |
2022-01-06 4:15 pm |
N/A N/A |
ESS Tech Inc. | GWH | Moftakhar Amir Chief Financial Officer |
37,821 | $11.5 | 378,793 (Direct) |
View |
2022-01-04 Tax Withholding |
2022-01-06 4:10 pm |
N/A N/A |
ESS Tech Inc. | GWH | Evans Craig E Song Julia President |
39,597 | $11.5 | 7,630,118 (Direct) |
View |