THALMAN WILLIAM M

Officer · FSTR

As of 2026-09-16, THALMAN WILLIAM M has 20 Form 4 transactions on record across 1 company — 12 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: $3.0MIndirect: $0$3.0Mas of 2026-09-16
  • Direct $3.0M
  • Indirect $0
FSTRdirect79,882 sh$3.0M

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

FSTR · 20 trades
2026-06-01: Award / grant, 1,128 sh ($0)2026-05-22: Withheld for tax, 1,178 sh ($45K)2026-02-19: Withheld for tax, 11,746 sh ($366K)2026-02-19: Award / grant, 3,651 sh ($0)2026-02-19: Award / grant, 6,297 sh ($0)2026-02-19: Award / grant, 8,365 sh ($0)2026-02-19: Award / grant, 1,358 sh ($0)2026-02-14: Withheld for tax, 1,721 sh ($54K)2026-02-13: Withheld for tax, 1,007 sh ($32K)2026-02-11: Option exercise, 1,667 sh ($53K)2026-02-11: Withheld for tax, 829 sh ($26K)2026-02-11: Option exercise, 1,667 sh ($0)2025-05-23: Withheld for tax, 898 sh ($16K)2025-05-22: Award / grant, 8,085 sh ($0)2025-02-20: Withheld for tax, 4,884 sh ($135K)2025-02-20: Award / grant, 8,577 sh ($0)2025-02-20: Award / grant, 2,385 sh ($0)2025-02-20: Award / grant, 4,786 sh ($0)2025-02-17: Withheld for tax, 1,027 sh ($28K)2025-02-14: Withheld for tax, 1,930 sh ($53K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
20 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-01FSTRAward / grant1,12879,882Form 4
2026-05-22FSTRWithheld for tax1,17878,754Form 4
2026-02-19FSTRWithheld for tax11,74679,947Form 4
2026-02-19FSTRAward / grant3,65184,038Form 4
2026-02-19FSTRAward / grant6,29791,693Form 4
2026-02-19FSTRAward / grant8,36580,387Form 4
2026-02-19FSTRAward / grant1,35885,396Form 4
2026-02-14FSTRWithheld for tax1,72172,010Form 4
2026-02-13FSTRWithheld for tax1,00773,731Form 4
2026-02-11FSTROption exercise1,6670Form 4
2026-02-11FSTRWithheld for tax82974,738Form 4
2026-02-11FSTROption exercise1,66775,567Form 4
2025-05-23FSTRWithheld for tax89873,900Form 4
2025-05-22FSTRAward / grant8,08574,798Form 4
2025-02-20FSTRWithheld for tax4,88466,713Form 4
2025-02-20FSTRAward / grant8,57769,212Form 4
2025-02-20FSTRAward / grant2,38571,597Form 4
2025-02-20FSTRAward / grant4,78660,635Form 4
2025-02-17FSTRWithheld for tax1,02755,849Form 4
2025-02-14FSTRWithheld for tax1,93056,876Form 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.