Nancy Erba
Nancy Erba: Chief Financial Officer at Power Integrations and Director at PDF Solutions. What Nancy Erba holds in 2 AI and semiconductor companies tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Power Integrations (POWI)
Nancy Erba holds 64,487 Power Integrations shares (0.12% of the company), worth about $3.2M at the last price, according to the Form 4 of Feb 2, 2026.
- Shares held: 64,487 (0.12%), $3.2M — Held in their own name.
PDF Solutions (PDFS)
Nancy Erba holds 43,811 PDF Solutions shares (0.10% of the company), worth about $2.3M at the last price, according to the Form 4 of Jul 1, 2026.
- Shares held: 31,868 (0.08%), $1.7M — Held through trusts (By Trust).
- Shares held: 11,943 (0.03%), $623,902.32 — Held in their own name.
Declarations
- PDF Solutions (PDFS) — Form 4 of Jul 1, 2026: grant or award of 2,689; 43,811 shares after 0001437749-26-022529
- Power Integrations (POWI) — Form 4 of Feb 2, 2026 (Chief Financial Officer): grant or award of 64,487; 64,487 shares after 0000833640-26-000024
- Power Integrations (POWI) — Form 3 of Jan 5, 2026 (Chief Financial Officer); 0 shares after 0000833640-26-000002
- PDF Solutions (PDFS) — Form 4 of Jul 1, 2025: grant or award of 7,429; 41,122 shares after 0001437749-25-021992
- PDF Solutions (PDFS) — Form 4 of Dec 11, 2024: open-market sale of 2,000 at $30.81; 33,693 shares after 0001415889-24-029181
- PDF Solutions (PDFS) — Form 4 of Jul 1, 2024: grant or award of 4,382; 35,693 shares after 0001415889-24-019096
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.
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