Insider

Insider

Form 4/4-A open-market insider transactions (officers, directors, 10% owners) · 6 transactions
Table I (non-derivative) transactions only -- common stock bought, sold, awarded, exercised, or tax-withheld. Covers this app's full ticker Universe (backfilled INSIDER_LOOKBACK_QUARTERS quarters back, continuously monitored) plus whatever the market-wide discovery has found beyond it. Informational only: never summed into the core flow ranking.
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Ticker Insider Role Type Date Shares Price Value Notes Filing
UMC LIN JEN-TSUNG Vice President Sale 2026-09-22 10,000 $163.00 $1,630,000 Disposed (1,172,140 owned after) EDGAR
UMC Liu Chitung CFO & SVP Sale 2026-09-17 400,000 $145.00 $58,000,000 Disposed (2,639,757 owned after) EDGAR
UMC Liu Chitung CFO & SVP Sale 2026-09-16 1,200,000 $142.33 $170,799,600 Disposed (3,039,757 owned after) EDGAR
UMC Liu Chitung CFO & SVP J 2026-09-07 1,000,000 — — Acquired (4,322,917 owned after) EDGAR
UMC Liu Chitung CFO & SVP Sale 2026-07-13 1,900,000 $154.89 $294,291,000 Disposed (3,322,917 owned after) EDGAR
UMC HU CHE-JEN Vice President Sale 2026-06-30 10,000 $171.30 $1,713,000 Disposed (3,214,080 owned after) EDGAR
Long US-equity 13F disclosures only · up to 45-day reporting lag · sells = reduce/avoid, not short. JSON: /api/signals · /api/funds · /api/status