Nancy Erba

Companies

• POWER INTEGRATIONS INCChief financial officer Jan 13, 2026 to now¹
• PDF SolutionsBoard member Jun 10, 2019 to now²
• InfineraChief financial officer Aug 27, 2019 to Mar 3, 2025³
• Immersion CorporationChief financial officer Sep 16, 2016 to Mar 11, 2019⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• PIPOWER INTEGRATIONS INC POWI64,487 shares⁵$2.9M at $44.97Feb 2, 2026
• PSPDF Solutions PDFS43,811 shares⁶$1.8M at $41.27Jul 2, 2026
• Infinera INFN0 shares⁷Feb 28, 2025

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 1, 2026Granted 2,689 shares of PDF Solutions⁶
• Feb 2, 2026Granted 64,487 shares of POWER INTEGRATIONS INC⁵
• Jul 1, 2025Granted 7,429 shares of PDF Solutions⁸
• Feb 28, 2025Returned to company 693,722 shares of Infinera⁷
• Feb 28, 2025Granted 117,500 shares of Infinera⁷
• Jan 5, 2025Shares withheld for tax 5,491 shares at $6.59 of Infinera⁹
• Jan 5, 2025Exercised options 9,791 shares of Infinera⁹
• Dec 11, 2024Sold 2,000 shares at $30.81 of PDF Solutions¹⁰
• Dec 5, 2024Shares withheld for tax 4,144 shares at $6.63 of Infinera¹¹
• Dec 5, 2024Exercised options 7,708 shares of Infinera¹¹
• Oct 5, 2024Shares withheld for tax 5,264 shares at $6.75 of Infinera¹²
• Oct 5, 2024Exercised options 9,792 shares of Infinera¹²
• Sep 5, 2024Shares withheld for tax 4,144 shares at $6.21 of Infinera¹³
• Sep 5, 2024Exercised options 7,709 shares of Infinera¹³
• Jul 5, 2024Shares withheld for tax 5,263 shares at $6.15 of Infinera¹⁴
• Jul 5, 2024Exercised options 9,791 shares of Infinera¹⁴
• Jul 1, 2024Granted 4,382 shares of PDF Solutions¹⁵
• Jun 5, 2024Shares withheld for tax 2,987 shares at $5.51 of Infinera¹⁶
• Jun 5, 2024Exercised options 7,708 shares of Infinera¹⁶
• May 12, 2024Shares withheld for tax 16,185 shares at $5.06 of Infinera¹⁷
• May 12, 2024Granted 41,760 shares of Infinera¹⁷
• Apr 5, 2024Shares withheld for tax 16,953 shares at $5.80 of Infinera¹⁸
• Apr 5, 2024Exercised options 44,167 shares of Infinera¹⁸
• Mar 5, 2024Shares withheld for tax 4,552 shares at $5.15 of Infinera¹⁹
• Mar 5, 2024Exercised options 7,708 shares of Infinera¹⁹