Thornock Tai A.

Officer · FOA

As of 2026-09-16, Thornock Tai A. has 32 Form 4 transactions on record across 1 company — 15 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: $197KIndirect: $0$197Kas of 2026-09-16
  • Direct $197K
  • Indirect $0
FOAdirect13,539 sh$197K

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

FOA · 32 trades
2026-04-01: Withheld for tax, 2,523 sh ($42K)2026-04-01: Withheld for tax, 1,377 sh ($23K)2026-04-01: Withheld for tax, 1,153 sh ($19K)2026-04-01: Option exercise, 8,333 sh ($0)2026-04-01: Option exercise, 4,032 sh ($0)2026-04-01: Option exercise, 3,995 sh ($0)2026-04-01: Option exercise, 8,333 sh ($0)2026-04-01: Option exercise, 4,032 sh ($0)2026-04-01: Award / grant, 13,539 sh ($0)2026-04-01: Option exercise, 3,995 sh ($0)2026-01-16: Sale, 1,100 sh ($27K)2025-12-19: Award / grant, 20,000 sh ($0)2025-12-16: Sale, 1,100 sh ($25K)2025-11-17: Sale, 1,100 sh ($25K)2025-10-16: Sale, 1,100 sh ($23K)2025-09-16: Sale, 1,100 sh ($28K)2025-08-18: Sale, 1,100 sh ($30K)2025-07-16: Sale, 1,100 sh ($26K)2025-06-16: Sale, 1,100 sh ($23K)2025-05-28: Sale, 1,100 sh ($24K)2025-04-23: Sale, 1,100 sh ($22K)2025-04-01: Withheld for tax, 2,420 sh ($51K)2025-04-01: Withheld for tax, 1,379 sh ($29K)2025-04-01: Withheld for tax, 335 sh ($7K)2025-04-01: Option exercise, 977 sh ($0)2025-04-01: Award / grant, 11,985 sh ($0)2025-04-01: Option exercise, 8,333 sh ($0)2025-04-01: Option exercise, 4,032 sh ($0)2025-04-01: Option exercise, 977 sh ($0)2025-04-01: Option exercise, 8,333 sh ($0)2025-04-01: Option exercise, 4,032 sh ($0)2025-03-19: Sale, 1,100 sh ($25K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-01-16FOASale1,100 @ $24.58$27K−9.4% of holding10,650Form 4
2025-12-16FOASale1,100 @ $23.04$25K−8.6% of holding11,750Form 4
2025-11-17FOASale1,100 @ $22.63$25K−7.9% of holding12,850Form 4
2025-10-16FOASale1,100 @ $21.34$23K−7.3% of holding13,950Form 4
2025-09-16FOASale1,100 @ $25.87$28K−6.8% of holding15,050Form 4
2025-08-18FOASale1,100 @ $27.21$30K−6.4% of holding16,150Form 4
2025-07-16FOASale1,100 @ $23.25$26K−6.0% of holding17,250Form 4
2025-06-16FOASale1,100 @ $21.35$23K−5.7% of holding18,350Form 4
2025-05-28FOASale1,100 @ $22.24$24K−5.4% of holding19,450Form 4
2025-04-23FOASale1,100 @ $20.00$22K−5.1% of holding20,550Form 4
2025-03-19FOASale1,100 @ $22.35$25K−8.1% of holding12,442Form 4
21 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-04-01FOAWithheld for tax2,52319,115Form 4
2026-04-01FOAWithheld for tax1,37713,305Form 4
2026-04-01FOAWithheld for tax1,15321,957Form 4
2026-04-01FOAOption exercise8,3338,334Form 4
2026-04-01FOAOption exercise4,0320Form 4
2026-04-01FOAOption exercise3,99523,110Form 4
2026-04-01FOAOption exercise8,33321,638Form 4
2026-04-01FOAOption exercise4,03214,682Form 4
2026-04-01FOAAward / grant13,53913,539Form 4
2026-04-01FOAOption exercise3,9957,990Form 4
2025-12-19FOAAward / grant20,00020,000Form 4
2025-04-01FOAWithheld for tax2,42021,650Form 4
2025-04-01FOAWithheld for tax1,37915,737Form 4
2025-04-01FOAWithheld for tax33513,084Form 4
2025-04-01FOAOption exercise97713,419Form 4
2025-04-01FOAAward / grant11,98511,985Form 4
2025-04-01FOAOption exercise8,33316,667Form 4
2025-04-01FOAOption exercise4,0324,032Form 4
2025-04-01FOAOption exercise9770Form 4
2025-04-01FOAOption exercise8,33324,070Form 4
2025-04-01FOAOption exercise4,03217,116Form 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.