Westenberg Richard J.

Officer · MAS

As of 2026-09-16, Westenberg Richard J. 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: $2.8MIndirect: $0$2.8Mas of 2026-09-16
  • Direct $2.8M
  • Indirect $0
MASdirect40,576 sh$2.8M

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

MAS · 8 trades
2026-02-25: Withheld for tax, 6,565 sh ($472K)2026-02-12: Award / grant, 6,890 sh ($0)2026-02-12: Award / grant, 21,610 sh2026-02-12: Award / grant, 21,610 sh2025-02-25: Withheld for tax, 4,599 sh ($350K)2025-02-13: Award / grant, 6,770 sh ($0)2025-02-13: Award / grant, 24,020 sh2025-02-13: Award / grant, 24,020 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
8 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-25MASWithheld for tax6,56540,576Form 4
2026-02-12MASAward / grant6,89047,141Form 4
2026-02-12MASAward / grant21,61021,610Form 4
2026-02-12MASAward / grant21,61021,610Form 4
2025-02-25MASWithheld for tax4,59940,251Form 4
2025-02-13MASAward / grant6,77044,850Form 4
2025-02-13MASAward / grant24,02024,020Form 4
2025-02-13MASAward / grant24,02024,020Form 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.