Fallon William C

Director · Officer · MBI

As of 2026-09-16, Fallon William C has 7 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: $12.8MIndirect: $0$12.8Mas of 2026-09-16
  • Direct $12.8M
  • Indirect $0
MBIdirect2,826,660 sh$12.8M

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

MBI · 7 trades
2026-03-04: Withheld for tax, 39,658 sh ($273K)2026-03-03: Award / grant, 242,038 sh ($1.6M)2026-03-03: Withheld for tax, 27,726 sh ($180K)2025-12-31: Award / grant, 14,220 sh ($102K)2025-03-04: Award / grant, 286,885 sh ($1.6M)2025-03-04: Withheld for tax, 39,658 sh ($218K)2025-03-03: Withheld for tax, 556,019 sh ($3.1M)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
7 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-04MBIWithheld for tax39,6582,826,660Form 4
2026-03-03MBIAward / grant242,0382,894,044Form 4
2026-03-03MBIWithheld for tax27,7262,866,318Form 4
2025-12-31MBIAward / grant14,2202,651,736Form 4
2025-03-04MBIAward / grant286,8852,637,516Form 4
2025-03-04MBIWithheld for tax39,6582,350,631Form 4
2025-03-03MBIWithheld for tax556,0192,390,289Form 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.