Nancy Erba
CIK 1684663 · Chief Financial Officer · last filed 2026-02-04
Nancy Erba is a Chief Financial Officer who has filed 59 SEC Form 4 insider transactions across 4 companies since 2016. The most recent filing, for POWI, was dated Feb 4, 2026. Across all open-market trades the lifetime net is −$411.1K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $8.2M 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.
$8.15M
4
59
-$411.1K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| POWI | Chief Financial Officer | 64,487 | $78.38 | $5.05M | $0 | 1 | 2026-02-04 |
| PDFS | Director | 41,122 | $64.14 | $2.64M | -$116.6K | 9 | 2025-07-02 |
| Infinera Corp (INFN) Delisted | Chief Financial Officer | 0 | $6.64 | $0 | $0 | 41 | 2025-03-03 |
| IMMR | Chief Financial Officer | 70,647 | $6.54 | $462.0K | -$294.5K | 8 | 2019-03-11 |
Recent Filings
59 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-02-04 | POWI | Grant (A) | +64,487 | $0 | EDGAR |
| 2025-07-02 | PDFS | Grant (A) | +7,429 | $0 | EDGAR |
| 2025-03-03 | Infinera Corp (INFN) Delisted | Mixed | −576,222 | $0 | EDGAR |
| 2025-01-15 | Infinera Corp (INFN) Delisted | Grant (A) | — | $0 | EDGAR |
| 2025-01-07 | Infinera Corp (INFN) Delisted | Mixed | +4,300 | -$36.2K | EDGAR |
| 2024-12-12 | PDFS | Sell (S) | −2,000 | -$61.6K | EDGAR |
| 2024-12-06 | Infinera Corp (INFN) Delisted | Mixed | +3,564 | -$27.5K | EDGAR |
| 2024-10-08 | Infinera Corp (INFN) Delisted | Mixed | +4,528 | -$35.5K | EDGAR |
| 2024-09-06 | Infinera Corp (INFN) Delisted | Mixed | +3,565 | -$25.7K | EDGAR |
| 2024-07-09 | Infinera Corp (INFN) Delisted | Mixed | +4,528 | -$32.4K | EDGAR |