Niewiem Sandra

Officer · OEC

As of 2026-09-16, Niewiem Sandra has 8 Form 4 transactions on record across 1 company — 4 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: $296KIndirect: $0$296Kas of 2026-09-16
  • Direct $296K
  • Indirect $0
OECdirect51,467 sh$296K

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

OEC · 8 trades
2026-04-29: Award / grant, 24,087 sh ($0)2026-02-19: Withheld for tax, 2,827 sh ($18K)2026-02-19: Withheld for tax, 2,662 sh ($17K)2026-02-19: Award / grant, 5,952 sh ($0)2025-05-05: Award / grant, 7,098 sh ($0)2025-02-20: Withheld for tax, 3,213 sh ($49K)2025-02-20: Withheld for tax, 2,893 sh ($44K)2025-02-20: Award / grant, 6,766 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
8 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-04-29OECAward / grant24,08751,467Form 4
2026-02-19OECWithheld for tax2,82727,380Form 4
2026-02-19OECWithheld for tax2,66224,255Form 4
2026-02-19OECAward / grant5,95230,207Form 4
2025-05-05OECAward / grant7,09826,917Form 4
2025-02-20OECWithheld for tax3,21319,819Form 4
2025-02-20OECWithheld for tax2,89316,266Form 4
2025-02-20OECAward / grant6,76623,032Form 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.