Skip to contentNIGGLI MICHAEL R — ESS Tech, Inc. insider: 22 transactions · InsiderLensInsider trading activity of NIGGLI MICHAEL R
- Transactions on record
- 22
- since Aug 5, 2020
- Open-market buys
- 5
- $188K
- Open-market sells
- 0
- Companies traded
- 2
- last filing Oct 15, 2025
Figures computed from official regulatory filings — methodology.
Companies where NIGGLI MICHAEL R has traded
Track record of NIGGLI MICHAEL R
Statistical track record
Free- Open-market buys
- 5
- Last buy
- May 16, 2023
Win rates and median returns are available with a free account (5 insiders/month).
Create a free account→Transaction history of NIGGLI MICHAEL R
Co-insiders of NIGGLI MICHAEL R
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ALLMAN MICHAEL WPACIFIC ENTERPRISES INC +1
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Oct 15, 2025 | Award | 13,513 | 0.00 USD | $0 | SEC |
| Sep 3, 2024 | ExerciseD | -11,852 | 0.00 USD | $0 | SEC |
| Sep 3, 2024 | Exercise | 11,852 | 6.88 USD | $81.5K | SEC |
| May 21, 2024 | Award | 9,677 | 0.00 USD | $0 | SEC |
| May 17, 2024 | Award | 202,702 | 0.00 USD | $0 | SEC |
| May 23, 2023 | Award | 10,836 | 0.00 USD | $0 | SEC |
| May 22, 2023 | Award | 135,373 | 0.00 USD | $0 | SEC |
| May 17, 2023 | Buy | 10,000 | 0.81 USD | $8.1K | SEC |
| May 15, 2023 | Buy | 20,000 | 1.13 USD | $22.6K | SEC |
| Mar 7, 2023 | Buy | 5,000 | 1.65 USD | $8.3K | SEC |
| Dec 16, 2022 | Buy | 19,100 | 2.56 USD | $48.9K | SEC |
| Jun 3, 2022 | Award | 29,486 | 0.00 USD | $0 | SEC |
| May 23, 2022 | Award | 11,532 | 0.00 USD | $0 | SEC |
| Mar 3, 2022 | Buy | 20,000 | 5.01 USD | $100.2K | SEC |
| Nov 12, 2021 | Other | 31,140 | 10.00 USD | $311.4K | SEC |
| Nov 12, 2021 | Other | 11,670 | 10.00 USD | $116.7K | SEC |
| Nov 12, 2021 | Other | 11,670 | 10.00 USD | $116.7K | SEC |
| Nov 12, 2021 | Other | 65,752 | 10.00 USD | $657.5K | SEC |
| Nov 12, 2021 | Other | 11,670 | 10.00 USD | $116.7K | SEC |
| Nov 12, 2021 | Other | 11,670 | 10.00 USD | $116.7K | SEC |
| May 24, 2021 | Award | 13,461 | 0.00 USD | $0 | SEC |
| Aug 5, 2020 | Award | 12,820 | 0.00 USD | $0 | SEC |