NIGGLI MICHAEL R
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to NIGGLI MICHAEL R. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| GWH-WT | Award / Grant | 13,513 | — | — | Oct 13, 2025 | |
| GWH-WT | Option Exercise | 11,852 | $6.88 | $81,542 | Aug 29, 2024 | |
| PCG-PX | Award / Grant | 9,677 | — | — | May 17, 2024 | |
| GWH-WT | Award / Grant | 202,702 | — | — | May 17, 2024 | |
| PCG-PX | Award / Grant | 10,836 | — | — | May 19, 2023 | |
| GWH-WT | Award / Grant | 135,373 | — | — | May 19, 2023 | |
| GWH-WT | Purchase | 10,000 | $0.81 | $8,100 | May 16, 2023 | |
| GWH-WT | Purchase | 20,000 | $1.13 | $22,600 | May 12, 2023 | |
| GWH-WT | Purchase | 5,000 | $1.65 | $8,250 | Mar 6, 2023 | |
| GWH-WT | Purchase | 19,100 | $2.56 | $48,896 | Dec 15, 2022 | |
| GWH-WT | Award / Grant | 29,486 | — | — | Jun 1, 2022 | |
| PCG-PX | Award / Grant | 11,532 | — | — | May 19, 2022 | |
| GWH-WT | Purchase | 20,000 | $5.01 | $100,200 | Mar 1, 2022 | |
| GWH-WT | Other | 77,822 | $10.00 | $778,220 | Nov 15, 2021 | |
| GWH-WT | Other | 11,670 | $10.00 | $116,700 | Nov 9, 2021 | |
| PCG-PX | Award / Grant | 13,461 | — | — | May 20, 2021 | |
| PCG-PX | Award / Grant | 12,820 | — | — | Aug 3, 2020 |