MICHAEL R NIGGLI
CIK 1377160 · last filed 2025-10-15
MICHAEL R NIGGLI is a corporate insider who has filed 17 SEC Form 4 insider transactions across 2 companies since 2020. The most recent filing, for GWH.WS, was dated Oct 15, 2025. Across all open-market trades the lifetime net is +$188.0K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $1.0M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$1.01M
2
17
$188.0K
Holdings By Company
Recent Filings
17 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-10-15 | GWH.WS | Grant (A) | +13,513 | $0 | EDGAR |
| 2024-09-03 | GWH.WS | Exer (M) | +11,852 | $81.5K | EDGAR |
| 2024-05-21 | PCGpI | Grant (A) | +9,677 | $0 | EDGAR |
| 2024-05-17 | GWH.WS | Grant (A) | +202,702 | $0 | EDGAR |
| 2023-05-23 | PCGpI | Grant (A) | +10,836 | $0 | EDGAR |
| 2023-05-22 | GWH.WS | Grant (A) | +135,373 | $0 | EDGAR |
| 2023-05-17 | GWH.WS | Buy (P) | +10,000 | $8.1K | EDGAR |
| 2023-05-15 | GWH.WS | Buy (P) | +20,000 | $22.6K | EDGAR |
| 2023-03-07 | GWH.WS | Buy (P) | +5,000 | $8.2K | EDGAR |
| 2022-12-16 | GWH.WS | Buy (P) | +19,100 | $48.9K | EDGAR |