NIGGLI MICHAEL R
SEC CIK 1377160 · EDGAR
BoughtSold
Most active insiders at GWH, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Buckley Drew P | CEO, Dir | $25.7K | — |
| 2 | Goodman Kelly F. | SEE REMARKS | — | $10.5K |
| 3 | Suhadolnik Kate Eileen | Interim CFO | — | $6,110 |
| 4 | Hossfeld Rich | Dir | — | — |
| 5 | Teamey Kyle | Dir | — | — |
| 6 | WELLMAN ALEXI | Dir | — | — |
| 7 | Quarls Harry | Dir | — | — |
| 8 | Garabedian Raffi | Dir | — | — |
| 9 | Nijhawan Sandeep | Dir | — | — |
| 10 | NIGGLI MICHAEL R | Dir | — | — |
Transactions 17
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-10-15 | 2025-10-13 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | A - Grant | $0.00 | +13.5K | 90.8K | +17% | $0 | |
| D | 2024-09-03 | 2024-08-29 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | M - OptEx | $6.88 | +11.9K | 77.3K | +18% | +$81.5K |
| 2024-05-21 | 2024-05-17 | PCG | PG&E Corporation | NIGGLI MICHAEL R | Dir | A - Grant | $0.00 | +9,677 | 58.8K | +20% | $0 | |
| 2024-05-17 | 2024-05-17 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | A - Grant | $0.00 | +202.7K | 951.9K | +27% | $0 | |
| 2023-05-23 | 2023-05-19 | PCG | PG&E Corporation | NIGGLI MICHAEL R | Dir | A - Grant | $0.00 | +10.8K | 49.1K | +28% | $0 | |
| 2023-05-22 | 2023-05-19 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | A - Grant | $0.00 | +135.4K | 749.2K | +22% | $0 | |
| 2023-05-17 | 2023-05-16 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | P - Purchase | $0.81 | +10.0K | 613.8K | +2% | +$8,100 | |
| 2023-05-15 | 2023-05-12 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | P - Purchase | $1.13 | +20.0K | 603.8K | +3% | +$22.6K | |
| 2023-03-07 | 2023-03-06 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | P - Purchase | $1.65 | +5,000 | 583.8K | +0.9% | +$8,250 | |
| 2022-12-16 | 2022-12-15 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | P - Purchase | $2.56 | +19.1K | 578.8K | +3% | +$48.9K | |
| 2022-06-03 | 2022-06-01 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | A - Grant | $0.00 | +29.5K | 559.7K | +6% | $0 | |
| 2022-05-23 | 2022-05-19 | PCG | PG&E Corporation | NIGGLI MICHAEL R | Dir | A - Grant | $0.00 | +11.5K | 38.3K | +43% | $0 | |
| 2022-03-03 | 2022-03-01 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | P - Purchase | $5.01 | +20.0K | 530.2K | +4% | +$100.2K | |
| 2021-11-17 | 2021-11-15 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | A - Grant | $0.00 | +30.1K | 510.2K | +6% | $0 | |
| I | 2021-11-17 | 2021-11-09 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | J - Other | $10.00 | +77.8K | 568.3K | +16% | +$778.2K |
| MI | 2021-11-12 | 2021-11-09 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | J - Other | $10.00 | +77.8K | 85.2K | +1,051% | +$778.2K |
| 2021-11-12 | 2021-11-09 | GWH | ESS Tech, Inc. | NIGGLI MICHAEL R | Dir | J - Other | $10.00 | +65.8K | 480.2K | +16% | +$657.5K |
Purchase Sale Sale after option exercise All abbreviations