Erba Nancy

Director · Officer · PDFS, POWI, INFN

As of 2026-09-16, Erba Nancy has 19 Form 4 transactions on record across 3 companies — 3 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $3.6MIndirect: $577K$4.2Mas of 2026-09-16
  • Direct $3.6M
  • Indirect $577K
POWIdirect64,487 sh$3.1M
PDFSindirect13,739 sh$577K
PDFSdirect11,943 sh$501K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

INFN · 13 trades
2025-02-28: Award / grant, 117,500 sh ($0)2025-02-28: Award / grant, 140,000 sh ($0)2025-02-28: Disposition, 465,268 sh ($0)2025-02-28: Disposition, 693,722 sh2025-02-28: Disposition, 693,722 sh2025-02-27: Award / grant, 68,600 sh ($0)2025-01-13: Award / grant, 95,000 sh ($0)2025-01-05: Withheld for tax, 5,491 sh ($36K)2025-01-05: Option exercise, 9,791 sh ($0)2025-01-05: Option exercise, 9,791 sh ($0)2024-12-05: Withheld for tax, 4,144 sh ($27K)2024-12-05: Option exercise, 7,708 sh ($0)2024-12-05: Option exercise, 7,708 sh ($0)
PDFS · 5 trades
2026-07-01: Award / grant, 2,689 sh2026-07-01: Award / grant, 2,689 sh2025-07-01: Award / grant, 7,429 sh2025-07-01: Award / grant, 7,429 sh2024-12-11: Sale, 2,000 sh ($62K)
POWI · 1 trade
2026-02-02: Award / grant, 64,487 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2024-12-11PDFSSale2,000 @ $30.81$62K−12.7% of holding13,739Form 4
18 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-01PDFSAward / grant2,68911,943Form 4
2026-07-01PDFSAward / grant2,68911,943Form 4
2026-02-02POWIAward / grant64,48764,487Form 4
2025-07-01PDFSAward / grant7,42927,383Form 4
2025-07-01PDFSAward / grant7,42927,383Form 4
2025-02-28INFNAward / grant117,500693,722Form 4
2025-02-28INFNAward / grant140,000140,000Form 4
2025-02-28INFNDisposition465,2680Form 4
2025-02-28INFNDisposition693,7220Form 4
2025-02-28INFNDisposition693,7220Form 4
2025-02-27INFNAward / grant68,60068,600Form 4
2025-01-13INFNAward / grant95,00095,000Form 4
2025-01-05INFNWithheld for tax5,491576,222Form 4
2025-01-05INFNOption exercise9,791581,713Form 4
2025-01-05INFNOption exercise9,79148,959Form 4
2024-12-05INFNWithheld for tax4,144571,922Form 4
2024-12-05INFNOption exercise7,7087,709Form 4
2024-12-05INFNOption exercise7,708576,066Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.