Cho Paul Yoonku

Officer · UCTT

As of 2026-09-16, Cho Paul Yoonku has 12 Form 4 transactions on record across 1 company — 6 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.

Pattern in the record: open-market sales filed in June in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $1.5MIndirect: $0$1.5Mas of 2026-09-16
  • Direct $1.5M
  • Indirect $0
UCTTdirect22,941 sh$1.5M

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

UCTT · 12 trades
2026-06-02: Sale, 944 sh ($84K)2026-05-22: Award / grant, 8,041 sh ($0)2026-05-08: Sale, 2,000 sh ($174K)2026-04-30: Withheld for tax, 2,454 sh ($192K)2026-04-30: Withheld for tax, 1,582 sh ($124K)2026-04-30: Withheld for tax, 1,465 sh ($114K)2025-06-06: Sale, 4,084 sh ($86K)2025-04-30: Withheld for tax, 1,579 sh ($30K)2025-04-30: Withheld for tax, 1,462 sh ($27K)2025-04-30: Withheld for tax, 995 sh ($19K)2025-04-25: Award / grant, 14,472 sh ($0)2025-03-31: Withheld for tax, 173 sh ($4K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-06-02UCTTSale944 @ $89.37$84K−4.0% of holding22,941Form 4
2026-05-08UCTTSale2,000 @ $86.89$174K−11.2% of holding15,844Form 4
2025-06-06UCTTSale4,084 @ $21.06$86K−14.9% of holding23,345Form 4
9 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-22UCTTAward / grant8,04123,885Form 4
2026-04-30UCTTWithheld for tax2,45417,844Form 4
2026-04-30UCTTWithheld for tax1,58221,763Form 4
2026-04-30UCTTWithheld for tax1,46520,298Form 4
2025-04-30UCTTWithheld for tax1,57929,886Form 4
2025-04-30UCTTWithheld for tax1,46228,424Form 4
2025-04-30UCTTWithheld for tax99527,429Form 4
2025-04-25UCTTAward / grant14,47231,465Form 4
2025-03-31UCTTWithheld for tax17316,993Form 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.