Michael R Niggli insider trades
Open-market stock purchases and sales by Michael R Niggli, Director at ESS Tech, Inc, from SEC Form 4 filings since Aug 3, 2020.
Track record: 0% of 5 scored buys are up 5% or more since purchase, averaging -75%.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| Oct 13, 2025 | GWH ESS Tech, Inc | Bought (not open market) | — |