Tatterson William Mark

Officer · UBSI

As of 2026-09-16, Tatterson William Mark has 15 Form 4 transactions on record across 1 company — 9 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: $4.7MIndirect: $0$4.7Mas of 2026-09-16
  • Direct $4.7M
  • Indirect $0
UBSIdirect99,597 sh$4.7M

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

UBSI · 15 trades
2026-02-23: Withheld for tax, 4,198 sh ($186K)2026-02-23: Withheld for tax, 1,329 sh ($59K)2026-02-23: Award / grant, 9,250 sh ($0)2026-02-22: Withheld for tax, 1,887 sh ($84K)2026-02-20: Withheld for tax, 2,069 sh ($91K)2026-02-19: Award / grant, 10,733 sh ($0)2025-12-11: Option exercise, 9,130 sh ($361K)2025-12-11: Withheld for tax, 8,564 sh ($339K)2025-12-11: Option exercise, 9,130 sh ($320K)2025-02-23: Withheld for tax, 1,326 sh ($47K)2025-02-22: Withheld for tax, 4,732 sh ($168K)2025-02-22: Withheld for tax, 1,886 sh ($67K)2025-02-22: Withheld for tax, 1,028 sh ($37K)2025-02-22: Award / grant, 9,877 sh ($0)2025-02-20: Award / grant, 12,250 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
15 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-23UBSIWithheld for tax4,19899,597Form 4
2026-02-23UBSIWithheld for tax1,329103,795Form 4
2026-02-23UBSIAward / grant9,250105,124Form 4
2026-02-22UBSIWithheld for tax1,88795,874Form 4
2026-02-20UBSIWithheld for tax2,06997,761Form 4
2026-02-19UBSIAward / grant10,73399,830Form 4
2025-12-11UBSIOption exercise9,1300Form 4
2025-12-11UBSIWithheld for tax8,56489,081Form 4
2025-12-11UBSIOption exercise9,13097,645Form 4
2025-02-23UBSIWithheld for tax1,32688,455Form 4
2025-02-22UBSIWithheld for tax4,73289,781Form 4
2025-02-22UBSIWithheld for tax1,88694,513Form 4
2025-02-22UBSIWithheld for tax1,02896,399Form 4
2025-02-22UBSIAward / grant9,87797,427Form 4
2025-02-20UBSIAward / grant12,25087,550Form 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.