O'Sullivan Michael Shamus

Officer · VSH

As of 2026-09-17, O'Sullivan Michael Shamus has 7 Form 4 transactions on record across 1 company — 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: $1.1MIndirect: $0$1.1Mas of 2026-09-17
  • Direct $1.1M
  • Indirect $0
VSHdirect35,131 sh$1.1M

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

VSH · 7 trades
2026-03-02: Withheld for tax, 360 sh ($7K)2026-02-25: Award / grant, 14,023 sh ($0)2026-01-02: Withheld for tax, 2,171 sh ($31K)2025-05-13: Purchase, 2,500 sh ($37K)2025-03-01: Withheld for tax, 414 sh ($7K)2025-02-26: Award / grant, 11,111 sh ($0)2025-01-02: Withheld for tax, 910 sh ($15K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-05-13VSHPurchase2,500 @ $14.88$37K+11.9% of holding23,573Form 4
6 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-02VSHWithheld for tax36035,131Form 4
2026-02-25VSHAward / grant14,02335,491Form 4
2026-01-02VSHWithheld for tax2,17121,468Form 4
2025-03-01VSHWithheld for tax41421,073Form 4
2025-02-26VSHAward / grant11,11121,487Form 4
2025-01-02VSHWithheld for tax91010,376Form 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.